3Com S26x manual

3Com ® Corporation PathBuilder ™ S24x, 26x, and 27x Switch Installation Manual[...]

Notice © 1998 3Com Corpor ation 5400 B ayfro nt Plaz a Santa Cl ara, CA 95052 -8145 (408) 32 6-5000 All rights reserved. Printed in U.S.A. Portions reprinted with th e permission of Motoro la, Inc. Restricted Rights Notificat ion for U.S. Go vernment Users The software (including firmware) addr essed in thi s m a nu al is provided to the U.S. Gove[...]

Notice (contin ued) Proprietar y Material Information and soft ware in th is document are propriet ary to 3Com (or its Suppliers) and without t he express prior per mission o f an of ficer of 3Com, may no t be cop ied, repro duced, disclosed t o others , publi shed, or us ed, in whol e or in part , for any purpose ot her t han that for which it is [...]

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Conten ts v Chapter 1. About the Pat hBuilder S24x, 26x, and 27x switch Applicatio ns .......................... .................................... ........................... ......... 1-3 Feature s and Protocol s .......... .................. .................. .................. .................. 1-7 Hardware Components ......................[...]

vi Contents ( continued) Chapter 4. Maintenance Removing/Repla cing T op Cover ..................... .................................... ......... 4-3 Removing/Repla cing Front Panel Cover ......... .................. .................. ......... 4-5 Removing/Repla cing Power Su pply ......................... .................. .................. [...]

vii About This Manual Overview Introduct ion This ma nual descr ibes features , hardware, specif icatio ns, and applicati ons fo r the 3Com Path Builder S24 x, 26x and 27x switch. Audience This manual i s intende d for op erators of the 3Com PathBuild er S24x, 26x and 27x sw itch. How to Use This Manual The fo llowing t able describes the contents [...]

viii About Th is Manual (cont inued) Vo r s i c h t Ein V or sichtshinweis macht Sie darauf aufmer ksam, daß N ic htbefol gung zu Software -, Hardware- oder D atensc häden f ühren kann. Wa r n i n g W arning i s the most serio us notice, indic ating that you c an be physi cally hurt. A vertissement Un averti ssement constit ue le message l e plu[...]

About the Pat hBuilder S24x , 26x, and 2 7x switch 1-1 Chapter 1 About the PathBuilder S24x, 26x, and 27x switch Overview What is the PathBuilder S24x, 26x, and 27x switch? The PathBui lder S24x, 26x, and 27x s w itch is a multi-pr otocol LAN/W AN PathBuil der S200 series s witch f eaturin g a high-s peed processor an d coprocessor coupled wi th 12[...]

1-2 About the PathBui lder S 24x, 26x, an d 27x switch Meshed Cluster Application Support A unique f eature of the Pa thBuilder S24x, 26x, and 27x switch is i ts ab ility t o support full me shed clust e r applicati ons. This f unctional ity provides hos t site resil iency , port co unt extension, an d multi ple LAN connect ivity . Example s of how[...]

About the Pat hBuilder S24x , 26x, and 2 7x switch 1-3 Applications Applications Introduct ion This section briefl y descri bes seve ral applicat ion exampl es for the Pat hBuilder S24x, 26x, and 27x switch. Performance Branch Nodes Because of its hig h performance capa bili ties, the PathBuilder S24x, 26x, and 2 7x switch can b e employed in a var[...]

1-4 About the PathBui lder S 24x, 26x, an d 27x switch Applications Regional Concentrator I n Figure 1-3, the publ ic net work (Frame Re lay/X.25) is per f orming the branc h concentr atio n functio n with the PathBuil der S24 x, 26x, and 27x switch routing t he traf fic to the appr opriate end poin t. In Figure 1-4, the PathBui lder S2 4x, 26x, an[...]

About the Pat hBuilder S24x , 26x, and 2 7x switch 1-5 Applications Figure 1-4. Regiona l Concentrator Exampl e Cluster Appl ication An importa nt new feature av ailab le with th e PathBu ilder S24x , 26x, and 27x swit ch is its use in a c luster . This al lows as many as four PathBui lder S24x, 2 6x, and 27x switches t o act a single unit fo r the[...]

1-6 About the PathBui lder S 24x, 26x, an d 27x switch Applications Figure 1-5. PathBuilde r S24x, 26x, and 27x Switch Cluster Example PB S2 0 0 16 Access Ports PB S2 0 0 PB S2 0 0 PB S200 16 Access Ports 16 Access Ports 16 Access Ports High-Speed Network Links to othe r Sites or Backbo ne LAN Connec tors[...]

About the Pat hBuilder S24x , 26x, and 2 7x switch 1-7 Features and Protocols Features and Protocols Description Fo r a complete lis ting of t he featur es and p rotocols supported by your PathBuilder S24x, 26x, an d 27x switch, refe r to the Software Release Not ice that came wit h the operati ng sof tware.[...]

1-8 About the PathBui lder S 24x, 26x, an d 27x switch Hardware Components Hardware Components PathBuilder S24x, 26x, and 27x Switch Hardware Configurati on The PathBui lder S24x, 26x, and 2 7x switch comes in a rack- mountable configurat ion. The switc h conta ins a mothe rboard/CPU bo ard, a built- in power s upply , and an ISA bus for u p to eig[...]

About the Pat hBuilder S24x , 26x, and 2 7x switch 1-9 Hardware Components Hardware Components This table li sts and briefl y describ es the hardware c omponents that make u p the PathBuil der S24x, 26x, and 27x s witch. More deta iled des criptions of t hese components follow . Component Description Enclosure A rack-m ount unit that contains a ll [...]

1-10 About the PathBuilder S24x , 26x, and 27x swi tch Hardware Components Ethernet Port 4 Limita tions Consid er these limit ations when using the Ethern et Port 4: • The port does not support Br idgin g (refer to the Bridging Op tion , Part No. T00 08-16). When configu r ing this port, you are not prompte d for the bridge link number . • The [...]

About the Pat hBuilder S24x , 26x, and 2 7x switch 1-1 1 Hardware Components Enclosure Introduct ion This sec tion provides de tailed i nformation about the part s of the PathBuil der S24x , 26x, and 27x switch enclosur e. Front Panel The PathBui lder S24x, 26x, and 2 7x switch front p anel (see Figure 1-6) has: • Three st atus LEDs • A 2-chara[...]

1-12 About the PathBuilder S24x , 26x, and 27x swi tch Hardware Components Mother board Parts of the Motherboard Thi s secti on desc ribes some of the components t hat make up t he PathBuilder S24x, 26x, and 27x switch motherboard. I n addition, this section describes some of the daughter cards that can be found on the mo therboard , shown in Figur[...]

About the Pat hBuilder S24x , 26x, and 2 7x switch 1-13 Hardware Components FLASH SIMM The FLASH Single In-li ne Memory Module ( SIMM) holds a c ompressed image of the oper ating software. This module is ele ctrical ly erasa ble and reprogra mmable. An optiona l F LA SH SIMM can be i ns tal l ed f or bac kup. T hese modules are inst al le d in one [...]

1-14 About the PathBuilder S24x , 26x, and 27x swi tch Hardware Components Figure 1-9. CMEM SIMM Expansion Port I/O Slo ts The PathBui lder S24x, 26x, and 2 7x switch motherboa rd has eight ful l-size expansio n card slots (s ee Figu re 1-6). Expansion I/O ca rds have I /O connec tors tha t exte nd through t he rear pane l. Port n u mbe rs for t he[...]

About the Pat hBuilder S24x , 26x, and 2 7x switch 1-15 Hardware Components How Ports Are Used The foll owing table descr ibes how the port s are used. DIMs without a Cable Adapter Port s 1 and 2 supp ort a DSU DIM without t he use of ca ble adapters . DIMs with a Cable Adapter If c able adapt ers are used, Por ts 1 and 2 c an supp ort the f ollowi[...]

1-16 About the PathBuilder S24x , 26x, and 27x swi tch Hardware Components Back P anel Back Panel Components The co mponents of the back panel are: • Serial/ Network I/O Por ts . Ports 1, 2, 3, an d 6 are DB-25 connect ors. Port 4 is a DB 15 c onnector . • AC Power Supply . The rear of th e Power Suppl y has two (male and f emale) power s ource[...]

About the Pat hBuilder S24x , 26x, and 2 7x switch 1-17 Hardware Components TI Dual Port Digital PBX Interface Card Introduct ion The T1 d ual port d igital P BX interface c ard suppor ts dig ital voi ce communicat ions, providi ng integr ated ne twork acce ss. The T1 interf ace card is inst alled pr imarily i n North Ameri ca and J apan. A 2-mega [...]

1-18 About the PathBuilder S24x , 26x, and 27x swi tch Hardware Components Slot Restricti on The T1 dual p ort dig ital PBX interface c ard occ upies slot 8 in the Pat hBui lde r S2 4x, 26x, and 27x switch chassis. DIP Switch Location The T1 dual port digi tal PBX interface c ard contains a single DIP switch bank (SW1) used to a ssign the card’ s[...]

About the Pat hBuilder S24x , 26x, and 2 7x switch 1-19 Hardware Components LED Status Indica tors The T1 d ual port digita l PBX int erface c ard contains fo ur LEDs th at can be viewed thro ugh the re ar bracket. LED Color LED is... ...Indica ting Port 49 Ye l l o w OFF ON Normal oper ation Carrier failure on Port 49span Port 50 Ye l l o w OFF ON[...]

1-20 About the PathBuilder S24x , 26x, and 27x swi tch Hardware Components E1 Dual Port Digital PBX Interface Card Introduct ion The E1 d ual port d igital P BX interface c ard suppor ts dig ital voi ce communicat ions, providi ng integr ated ne twork acce ss (see Figure 1- 12). The E1 in terface card i s instal led primar ily in Europe an d South [...]

About the Pat hBuilder S24x , 26x, and 2 7x switch 1-21 Hardware Components E1 Dual Port Digital PBX Interface Card Illus trati on Figure 1- 12 shows an exa mple of the E1 dual port digital PBX i nterfac e card. Figure 1- 12. E1 Digit a l PBX Inter face Card DIP Switch Location The E1 dual port digi tal PBX interface c ard contains a single DIP swi[...]

1-22 About the PathBuilder S24x , 26x, and 27x swi tch Hardware Components Required cables The following ca bl es, i ncl udi ng two pi gt ai l cab les, ship with the E1 dual port digi t al PBX interf ace card and are require d to cable the E1 c ard to the DSPM/SM ca rds in the Path Builder S24x, 26x, an d 27x switch node. LED Status Indica tors The[...]

About the Pat hBuilder S24x , 26x, and 2 7x switch 1-23 Hardware Components DSPM/SM C ard Introduct ion The Dig ital Sig nal Proces sing Module/Server Module (DSPM/SM) s upports T1 or E1 du al po rt di gi tal P BX i nt erf ace ca rds . Description The DSPM/SM card, use d at nodes wi th di gital PBX in terfaces, compre sses four digita l voic e chan[...]

1-24 About the PathBuilder S24x , 26x, and 27x swi tch Hardware Components DSPM/ SM Card Illus trati on Figure 1- 13 sh ows an exa mple of the DSPM/SM card. Figure 1- 13. DSPM/SM Card Jumper Location s Figure 1- 13 shows the l ocation of jumper s on the DSPM/S M card that ter minate the Multi-V endor Integ ration Pr otocol cl ock. Installing Jumper[...]

About the Pat hBuilder S24x , 26x, and 2 7x switch 1-25 Hardware Components Cables Required No cables ship with the DSPM/SM ca rd; however , the DSPM/SM card must b e cabled t o the T 1 or E1 dual port digital i nterfac e using a Multi-V endor In tegration Protocol 40-pin r i bbon cable, as Fi gure 1- 14 sho ws. T o support 1 2 voice channels, for [...]

1-26 About the PathBuilder S24x , 26x, and 27x swi tch Hardware Components DSPM Card with Analog E &M Interface Introduct ion The DSPM/E&M card s upports two analo g E&M inter face voic e channels. Description The Analog DSPM/E&M card allows th e PathBuilder S24x , 26x, and 27x swit ch to support up to two (2) voice /fax channel s p[...]

About the Pat hBuilder S24x , 26x, and 2 7x switch 1-27 Hardware Components DSPM/E&M Card Illus trati on Figure 1- 15 sh ows an exa mple of the DSPM card wi th an a nalog E&M inter f ace. Figure 1- 15. DSPM/E&M Card MVIP Clock T ermination Jumpers (Not Used) -48V Powe r Supply Co nnector Port 1 Port 2 Complex I mp edance Jumpers 2-or 4-[...]

1-28 About the PathBuilder S24x , 26x, and 27x swi tch Hardware Components LEDs The card c ontains four LEDs that can b e viewed through t he rear bracket . LED Color LED is... ...Indica ting Port 1 Loca l Busy Green On Off lo cal phy sical con nection is active (of fhook) local phy sical connecti on is idl e (onhook ) Port 1 Re mote Busy Green On [...]

About the Pat hBuilder S24x , 26x, and 2 7x switch 1-29 Hardware Components Setting Jumpers for DS PM Card with Analog E&M Interface Introduct ion The DSPM/EM card h as a total of 12 jumpers that you c an set for vari ous applica tions if requi red: • T en jumpers f or two- or four -wire opera tion • T wo jumpers for MVIP clock ter minati o[...]

1-30 About the PathBuilder S24x , 26x, and 27x swi tch Hardware Components Complex Impedance for UK and Germany Setting jumpers for tw o-wire UK compl e x and two-wire Ger many compl ex impeda nce as not ed in t he “Jumper Def initio ns” section above , matches the impeda nce requi red in each co untry , respec tively . Refer to Figure 1- 15 an[...]

About the Pat hBuilder S24x , 26x, and 2 7x switch 1-31 Hardware Components Jumper Location s Set the jumpers to the pos itions as shown i n Figure 1- 18. Figure 1- 18 . Jumper Locations for DSPM E&M Card Installing Jumpers Figure 1- 19 illust rates how to i nstall two- or four -wire jump ers into proper posit ion. Figure 1- 19. Inst alling Jum[...]

1-32 About the PathBuilder S24x , 26x, and 27x swi tch Hardware Components DSPM Card with FXS Analog Interface Introduct ion The Analog D SPM/FXS (F oreign Exchange Sta t ion) card supp orts tw o analog FXS interf aces. Description The analog DSPM/FXS card allo w s the PathBu ilder S24x, 26x, and 27x switch t o support up to tw o voice/f ax channel[...]

About the Pat hBuilder S24x , 26x, and 2 7x switch 1-33 Hardware Components DSPM/FXS Card Illus trati on Figure 1-20 shows an e xample of t he DSPM card with an analog FXS i nterf ace. Figure 1-20. DSPM Card with Analog FXS Interface MVIP Clock T ermination Jumpers (Not Used) -48V Power Supply Connecto r Port 1 Port 2 Port 1 LC (Local Busy) Port 1 [...]

1-34 About the PathBuilder S24x , 26x, and 27x swi tch Hardware Components LEDs The card c ontains four LEDs that can b e viewed through t he rear bracket . Jumper Location s The DS PM/ F XS inte rfa ce car d has n o jump ers th at must be s et . For Austral ian Users Only 3Co m approve d engineer ing staff can in stall an d program this car d. The[...]

About the Pat hBuilder S24x , 26x, and 2 7x switch 1-35 Hardware Components DSPM Host Ca rd with F XO Analo g Int erface Introduct ion The Analog D SPM/HC (ho st card) supports one anal og FXO (For eign Exchange Off ice) int erface. The FXO i s a daughtercard t hat is mount ed onto th e DSPM/HC. Description The analog FXO daughter card (when mounte[...]

1-36 About the PathBuilder S24x , 26x, and 27x swi tch Hardware Components DSPM/HC with FXO Card Il lustr a ti o n Figure 1-21 shows an e xample of the DSP M /HC with an analog FXO daughtercard . Figure 1-21. DSPM/HC Card with Analog FXO Daughtercard LEDs The card contai ns four LEDs that can be viewed throug h the rear brack et. FXO Daughtercard P[...]

About the Pat hBuilder S24x , 26x, and 2 7x switch 1-37 Hardware Components Jumper Location s The DSPM/HC with F XO daughte rcard has no jumpers t hat must be se t.[...]

1-38 About the PathBuilder S24x , 26x, and 27x swi tch Hardware Components -48V Ringer/Power Supply Card and Enclosur e Introduct ion One -48V r inger/power su pply car d and enclosure is required per PathBuilde r S24x, 26x, and 27x switch node for • Analog DSPM/FXS c a rds • DSPM/E&M ca rds using interface sig naling ty pes II, III, and V [...]

About the Pat hBuilder S24x , 26x, and 2 7x switch 1-39 Hardware Components Cables Required The -4 8V ringe r/power s upply ca rd is shi pped with one cabl e with six connectors. Figure 1-22. Standa rd -48V RInger /Power Supply Card and Enclosure Jumper Set for 50 Hz Rin g Fr eque ncy Jumper Set for 25 Hz Ring Frequency Power Connectors to Main AC [...]

1-40 About the PathBuilder S24x , 26x, and 27x swi tch Hardware Components Figure 1-23. Enhanced -48 V RIn ger/ Power Supply Card and Enclosure J1 1 Jumper Set for 25 Hz Ring Frequency J1 1 Jumper Set for 25 Hz Ring Frequency Power Connectors to Main AC Power Supply J1 1 J12 Status Connector Jumper Loca tio ns Ring Ena b le Ju mpe r Must be Co nfig[...]

About the Pat hBuilder S24x , 26x, and 2 7x switch 1-41 Hardware Components 10BaseT T ransceiver Description Thi s trans ceive r is des igned to pr ovide Eth ernet 10base T s upport for the Pa thBui lder S24x, 26x, an d 27x switch. It ca n accommoda te dif ferent 10Base T configur ations through t he use r- selectable Sign al Qualit y Error (SQE) f[...]

1-42 About the PathBuilder S24x , 26x, and 27x swi tch Radio Frequency Interfer ence Regulations Radio Frequency Interference Regulations Introduct ion This sec tion explains t he radio f requency i nterference r egulati ons. FCC This equi pment ha s been tes ted and fo und to comply with t he limits for a Clas s A digita l devi ce, pursuan t to Pa[...]

About the Pat hBuilder S24x , 26x, and 2 7x switch 1-43 T elec ommunications Regulations T elecom munications Regulations In the Unit ed S ta tes , FCC r ule s P art 68 req u ire t hat t h e fol lowi ng us er in stru c tion s are provide d: The telep hone company has the right to ask you f or registratio n information abou t your equi pment that is[...]

1-44 About the PathBuilder S24x , 26x, and 27x swi tch T elec ommunications Regulations In Canada , the following equipment at tachment l imitations and information m ust be provided in the user instruct ions: Caution Users shou ld not atte mpt to make such c onnection thems elves, but shoul d contact th e appropri ate electric i nspection authorit[...]

About the Pat hBuilder S24x , 26x, and 2 7x switch 1-45 FCC and T e lephone Company Procedures a nd Requirements FCC and T elephone C ompany Procedures and Requireme nts Introduct ion The fo llowin g tables p rovide the i nformatio n that is nee ded for ordering telephone company n etwork connecti ons for the 3Com Pa thBuilder S24x, 26x, and 27x sw[...]

1-46 About the PathBuilder S24x , 26x, and 27x swi tch FCC Information FCC Information Customer-Provid ed T elephone Equipment FCC regulat ions a nd teleph one compan y procedur es proh ibit conn ection of customer -provided equipment t o telephon e company-provided coin service (c entral of fice-implemente d system s). Conne ction to p arty lines [...]

About the Pat hBuilder S24x , 26x, and 2 7x switch 1-47 FCC Information Regulations Concerning Electroma gnetic Radiation The Federa l Communications Commission ( FCC) of th e United St ates of America and the I ndustr y and Scie nce Canada (ISC) hav e publi shed regul atio ns that go vern the all owable li m its of emanation of radio freque ncy en[...]

1-48 About the PathBuilder S24x , 26x, and 27x swi tch FCC Information[...]

Preparation and Un packing 2-1 Chapter 2 Preparation and Unpacking Overview Introduct ion This chapter s umm arizes infor mation you need and activitie s you must complet e before i nstalling your PathBui lder S24x, 26x, and 2 7x switch s ystem. It desc ribes how to sele ct an o perating envir onment and how t o unpac k the enclosur e.[...]

2-2 Preparation and Unpacking Before Inst alling Your PathBuilder S24x, 26x, and 27x S witch Before Installing Y our PathBuilder S24x, 26x, and 27x Switch Introduct ion Before i nstalli ng your PathBuilde r S24x, 2 6x, and 27x swi t ch, be sure to c omplete the fo llow ing st eps: • V erify tha t the conf igura tion works heets are accur ate an d[...]

Preparation and Un packing 2-3 Before Inst alling Y our PathBuilde r S24x, 26 x, and 27x Swit ch Caution T o avoid overheati ng the unit’ s circuitr y , you shoul d never pl ace anything on to p of the uni t, wit hin one inch (2 .5 cm) of the venti lati on slo ts on the f ront panel, or wit hin 12 inches (30.5 cm) of the ba ck of the unit. Mise e[...]

2-4 Preparation and Unpacking Unpacking Unpacking Introduct ion The Path B uilder S24x, 26x, an d 27x sw it ch’ s printed ci rc uit car ds and ot her int ern al compone nts a re installed i n the enclo sur e b efore the uni t is shipped fr om t he fa ctory . In addit ion t o the encl osure and its compo nents, you may find wi thin the shippi ng c[...]

Preparation and Un packing 2-5 The PathBuilder S24x , 26x, an d 27x Switch R ackmount Kit The PathBuilder S24x, 26x, and 27x Switch Ra ckmount Kit Introduct ion Y ou can inst all the Pa thBuil der S24 x, 26x, and 27x switch in a standard Ele ctronic s Industr y Associ ation (EI A) 19-i nch eq uipment rac k. EIA Rackmount Kit The PathBuilder S24x, 2[...]

2-6 Preparation and Unpacking The PathBuilder S24x, 26x, and 27x Switch Rack mount Kit Rackmount Kit Parts Figure 2-1 shows the component s of the rackmount ki t. Figure 2-1. The PathBuilder S24x, 26x, and 27x S witch Rackmount Kit Placement Considerations Con sider the foll owing i ssues when i nstalling your PathBuilde r S24x, 2 6x, and 27 x swit[...]

Preparation and Un packing 2-7 The PathBuilder S24x , 26x, an d 27x Switch R ackmount Kit[...]

2-8 Preparation and Unpacking Installing the PathBuilder S 24x, 26x, a nd 27x Swit ch in a n Equipment Rack Installing the PathBuilder S24x, 26x, and 27x Switch in an Equipme nt Rack How to.. . Follow th ese steps to ins tall th e PathBuilder S24x , 26x, and 27x switch in an equipment rack: Step Action Description 1 Remove the pl astic pedesta l ba[...]

Preparation and Un packing 2-9 Installing the P athBuilder S24x, 26x, and 27 x Switch in an Equipment Rack 6 Remove the l ong (#6) screws. Then, slid e the PathBuilder S24x, 26x, and 27x s witch flush agai nst the rear flan ge of the Moun ting Shel f an d r ein sert th e sc re ws through t he flange and int o the unit ’ s ca se. The PathBuilde r [...]

2-10 Preparation and Unpacking Installing the PathBuilder S 24x, 26x, a nd 27x Swit ch in a n Equipment Rack Removing the Pedestal Base Figure 2-2 shows how t o remove the pedest al bas e from the P athBuil der S24x, 26 x, and 27x swi tch. Figure 2-2. Pedestal Base Removal of the PathBuilder S24x, 26x, and 27x Switch Remove the pedestal base by rem[...]

Preparation and Un packing 2-1 1 Installing the P athBuilder S24x, 26x, and 27 x Switch in an Equipment Rack Steps for Rackmount Assembly Figure 2-3 shows the steps for rack mount ass embly . Figure 2-3. PathBuilde r S24x, 26x, and 27x Switch Rackmount Assem- bly 10-32 x .38 Screws Insert the Mountin g Sh elf in th e desired location and secure it [...]

2-12 Preparation and Unpacking Installing the PathBuilder S 24x, 26x, a nd 27x Swit ch in a n Equipment Rack Install ing the Pat hBuilder S24x, 26x, and 27x Switch Figure 2-4 shows the i nstallat ion of the P athBuilder S24x, 26x, and 2 7x switch i n the rackmo unt assembl y . Figure 2-4. Installi ng the PathBuil der S24x, 26x, and 27x Switch in Ra[...]

PathBuilder S24x , 26x, and 27x Switch Hardware Installat ion 3-1 Chapter 3 PathBuilder S24x, 26x, and 27x Switch Hardware Installatio n Overview Introduct ion This chap ter contains pr ocedur es for in stalling PathBu ilder S24x , 26x, and 27x switc h har dwar e c ompon ents . The foll owing warnings and c autions a pply to all proc edures des cri[...]

3-2 P athBuil der S24x, 26x, and 27x Swi tch Hardwar e Install ation A vertissement Seules de s pers onnes qual ifiées peuvent mettre en prati que les procédur es décrit es dans cette se ction. Dans le ca s contr aire, de s risques de ble ssures ou d’endomma gement du mat ériel so nt possibles, ce qui pou rrait a nnuler votre garanti e et v o[...]

PathBuilder S24x , 26x, and 27x Switch Hardware Installat ion 3-3 Setting DI P Switc hes Setting DIP Switches Introduct ion This se cti on explains how t o s et th e DIP switches for t he motherboard and the Serial Data Board (SDB) card. Motherboard Components Figur e 3-1 is a n illust ration of the P athBuilder S24x, 26x, and 27x switch motherboa [...]

3-4 P athBuil der S24x, 26x, and 27x Swi tch Hardwar e Install ation Installing the DSU DIM Installing the DSU DIM Introduct ion Y ou can inst all up to two DSUs for each Path Builder S24x, 26x, an d 27x switch platfo rm using both Ports 1 and 2. DSU DIM Example Figur e 3-2 shows how to inst all the DSU DI M. Figure 3-2. DSU DIM Installat ion DSU D[...]

PathBuilder S24x , 26x, and 27x Switch Hardware Installat ion 3-5 Installing the DSU DIM Install t he DSU DIM Perform thes e steps t o install the DSU DIM: Caution Be sure t hat th e telepho ne company plug is di sconne cted befo re you disconnect the EIM from the PathBuild er S24x, 26x, a nd 27x switch. Also, do not connect the telepho ne company [...]

3-6 P athBuil der S24x, 26x, and 27x Swi tch Hardwar e Install ation Installing the DSU DIM Switch Blocks 1 and 2 The PathBui lder S24x, 26x, and 2 7x switch Integr al DSU opt ion requires th at you set the same switches in t he swi tch blocks as you d o for the V .35, V .36, and X.21 interf aces. These ar e the s witch set tings for the motherboar[...]

PathBuilder S24x , 26x, and 27x Switch Hardware Installat ion 3-7 Configuring the PathBuilder S24x, 26x, a nd 27x Switch for DSU Operation Configuring the PathBuilder S24x, 26x, and 27x Switch for DSU Operation Configurati on Procedure Perf orm these s teps from the CTP to configure the PathBuilder S24x, 26x, and 27x switc h for DSU op erati on: St[...]

3-8 P athBuil der S24x, 26x, and 27x Swi tch Hardwar e Install ation DSU Input and Output Signaling DSU Input and Output Signaling Introduct ion Input and ou tpu t signa ling in form ation is usefu l as a debuggin g too l and rep laces t he EIA summary i nformat ion assoc i ated with other DIM types . Input Signals This table describes the i nput s[...]

PathBuilder S24x , 26x, and 27x Switch Hardware Installat ion 3-9 DSU Input and Output Signaling Y ou can view these signals using t he contro l terminal Monito r menu i tem on the Main menu. Other Reporting Difference s Other di f ferences in con trol ter minal o utput are: • Detaile d Port Statistics — show DSU input and out put sign aling as[...]

3-10 PathBui lder S2 4x, 26x , and 27x S witch Hard ware Inst allatio n DSU Input and Output Signaling Control T er minal Loopback Options These are the c ontrol terminal loopback o ptions. DSU Interna l Loopback This loopb ack mode d oes not aff ect the e xternal inte rface but i t does lo op the local tran smit data back to the rece ive data with[...]

PathBuilder S24x , 26x, and 27x Switch Hardware Installat ion 3-1 1 Tr oubleshooting DSU Installation T roubleshooting DSU Installation Introduct ion Some pot ential DSU i nstall ation problems are: • Improp er port c onnecti on of the EIM. • Improp er te lephone company i nterfac e connection. • The DSU DIM is no t connecte d in DTE confi gu[...]

3-12 PathBui lder S2 4x, 26x , and 27x S witch Hard ware Inst allatio n Installing DIMs Installing DIMs Introduct ion There ar e two Dat a Interf ace Modules (DIMs) on both the Pa thBuilder S24x, 26x , and 27x swi t ch motherboard. Ea ch DIM is a 64-pi n, dual in- line mo dule that can be reposit ioned so t hat Port s 1 or 2 act as eithe r DCE or D[...]

PathBuilder S24x , 26x, and 27x Switch Hardware Installat ion 3- 13 Installing DIMs Installing a DIM T o in sta ll the DIM , i nsert it in to the des ired D TE or DCE lo cat ion. Be su re the pins are sea ted fi rmly in th e sockets and are not bent. Caution Some compo nents used in the Pa thBuilder S24x, 26x, an d 27x switc h are sens itive t o st[...]

3-14 PathBui lder S2 4x, 26x , and 27x S witch Hard ware Inst allatio n Installing SIMMs Installing SIMMs Introduct ion This sec tion explains ho w to ins tall di ffe r ent types of SI MMs on the mot herboard. • DRAM: There are t wo types of DRAM: - Global DRAM: This i s memory that is accessibl e by all t he boards in the PathBuil der S24x, 26x,[...]

PathBuilder S24x , 26x, and 27x Switch Hardware Installat ion 3- 15 Inst alling SIM Ms SIMM Location Figure 3-5 s hows the location of the Single In-line Memor y Module ( SIMM) slo ts on the Path Builder S24x, 26x, an d 27x switch mothe rboard. Figure 3- 5. Inst alling SI MMs Installing a SIMM Perform t hese s teps to i nstall t he SIMM: Removing a[...]

3-16 PathBui lder S2 4x, 26x , and 27x S witch Hard ware Inst allatio n Installing I/O Car ds Installing I/O Cards Introduct ion These Pat hBuilder S24x, 26x, a nd 27x swi tch I/O ca rds are i nstalled into slots 1 thro ugh 8: • Serial Data Board (SDB) • BRI •H u b The Modem card can only be insta lled int o slot 1. Install ing an I/O Card Pe[...]

PathBuilder S24x , 26x, and 27x Switch Hardware Installat ion 3- 17 Installing a T1 or E1 Dual Po rt Digital PBX Interface Ca rd Installing a T1 or E1 Dual Port Digita l PBX Interface Card Introduct ion This secti on provi des inst alla tio n inst ruct ions fo r the T1 or E1 d ua l port dig ital PBX interf ace card for the PathBuil der S24x, 26x, a[...]

3-18 PathBui lder S2 4x, 26x , and 27x S witch Hard ware Inst allatio n Installing a T1 or E1 Dual Port Digital PB X Interface Card Step Action 1 Place the inte rface car d on an antistat ic mat. 2 Set the I /O base addr ess for the ca rd usin g the DIP swi tches at SW1. 3 Power down the PathBuild er S200 ser ies switch by unplugging the AC power p[...]

PathBuilder S24x , 26x, and 27x Switch Hardware Installat ion 3- 19 Installing a T1 or E1 Dual Po rt Digital PBX Interface Ca rd Installing the T1/CSU Daughter Card Introduct ion This sec tion explains ho w to ins tall a T1 /CSU Daught er Card onto a T1 Dual Port Card. When in stalli ng the T1/CSU card be certain t hat the T1 Dual Port car d is not[...]

3-20 PathBui lder S2 4x, 26x , and 27x S witch Hard ware Inst allatio n Installing a T1 or E1 Dual Port Digital PB X Interface Card Install ation Procedure Foll ow these steps to install the T1/ CSU Daughte r card. Step Action 1 Power down the PathBuild er S200 ser ies switch by unplugging the AC power plug. 2 Remo v e the c ables from the r ea r o[...]

PathBuilder S24x , 26x, and 27x Switch Hardware Installat ion 3- 21 Installing a T1 or E1 Dual Po rt Digital PBX Interface Ca rd Figure 3-6. Inst al ling T1/CSU Daughter Cards Remove Jumpe r from Socke t 1 Carefully instal l Daught ercard Pins into T1 Dual Port Interface Connector . 2[...]

3-22 PathBui lder S2 4x, 26x , and 27x S witch Hard ware Inst allatio n Cabling the P athBuilder S24x , 26x, and 27x S witch Cabling the PathBuilder S24x, 26x, and 27x Switch Introduct ion This section de scribes the con nections for : • Contr ol T ermina l Port (CTP) • I/O Int erface cards • Network Manag er •L A N • An extern al power s[...]

PathBuilder S24x , 26x, and 27x Switch Hardware Installat ion 3- 23 Installing the Transceive r Installing the T ransceiver Introduct ion The tra nsceiv er mounts to the DB-15 AUI c onnector of th e Ethernet LAN ca rd or to the DB-15 AUI con nector on the bac k panel . The Thin- Net BNC connect or pro vides subseque nt interface to t he coaxial net[...]

3-24 PathBui lder S2 4x, 26x , and 27x S witch Hard ware Inst allatio n Power-Up Diagnostics/V e rifica tion Power-Up Diagnostics/V erification Introduct ion Diagnost ics run when a node i s powered up. Basic tests ar e run from PROM and more exte nsive diagnos tics are run during st artup. If the node dete cts a lack of software , it sends a messa[...]

PathBuilder S24x , 26x, and 27x Switch Hardware Installat ion 3- 25 Power-Up Dia gnostics/V e rification Default Nod e Command A defa ult nod e comman d is th e sa me as a war mst art, ex cep t it i s only initi ated b y th e operato r . The Current conf igura tion bank i n nonvolat ile CMEM memory is erase d and repl aced by the syste m defaul t c[...]

3-26 PathBui lder S2 4x, 26x , and 27x S witch Hard ware Inst allatio n Installing Software Options Installing Software Options Introduct ion The PathBui l der S24x, 26x, and 2 7x switch contains al l the so ftware options availa ble fo r the curr ent release of the produ ct. In some cases, t he option s have alread y been en abled. Ho wever , in o[...]

PathBuilder S24x , 26x, and 27x Switch Hardware Installat ion 3- 27 Full Mesh Cluster Cabling Full Mesh Cluster Cabling Introduct ion This sec tion explains s ome of th e important points to keep in mind whe n using your PathBuil der S24x, 26x, and 27x s witches in a ful l mesh cluster c onfigurat ion. Usage A full mes h appli cation us es standa r[...]

3-28 PathBui lder S2 4x, 26x , and 27x S witch Hard ware Inst allatio n Full Mesh Cluster Cabling Mesh Diagram Figure 3-8 shows how a full mesh a pplicati on is cabl ed. Figure 3-8. Mesh Diagram Port 1 (T) PB S200 (Rear V iew ) T =DTE Po rt C=DCE Port Port 2 (T) Po rt 3 (T) Port 1 (C) Port 2 (C) Po rt 3 (T) Port 1 (C) Port 2 (C) Po rt 3 (T) Port 1 [...]

Maintenance 4-1 Chapter 4 Maintenance Overview Introduct ion This chap ter contains pr ocedur es to remov e /replace the P athBuil der S24x, 26 x, and 27x switc h componen t s. Wa r n i n g Only tra ined, quali fied technici ans shoul d perform procedur es outli ned in t his manual. 3Com Pa thBuilder S200 serie s switch da ughterca rds and DIMs ar [...]

4-2 Maintenance Vo r s i c h t Einige i m PathBuil der S24x, 26 x, and 27x s witch verwendete n Komponenten sollte n keinen e l ektrostatis chen Entla dungen a usgesetzt werden, dur ch die interne Bauteile beschädi gt wer den kön nen. W enden S ie di e ents pre chende n Maßnahmen zur Er dung und zum S chutz v or stati schen Ladung en bei der Han[...]

Maintenance 4- 3 Removing/Replacing Top Cover Removing/Replacing T op Cover Introduct ion Y ou must remove t he top cover to a ccess the motherb oard an d all I/ O cards, the power supp ly , and the fan. Removing the Cover Perform t hese s teps to r emove the to p cover of the Pat hBuilder S24x, 26x, a nd 27x switc h: Step Action 1 V e rify th at t[...]

4-4 Maintenance Removing/Replac ing T op Cover Example Figur e 4-1 shows an example of removi ng the top c over of the Path B uilder S24x, 26x, and 27x switch. Figure 4-1. Removing the T op Cover Replace the Cover T o replace the t op cover , reverse the steps just det ailed in “Removing the Cover.” Remove six screws. Pull cover 1/4- in. toward[...]

Maintenance 4- 5 Removing/Replacing Front Panel Cover Removing/Replacing Front Panel Cover Introduct ion This sec tion describes how to remove the front panel cover . The auxili ary fan is attach ed to the fron t pane l cover . Remove the Front Panel Cover Perform thes e steps to remove the front panel cover: Step Action 1 V e rify th at th e powe [...]

4-6 Maintenance Removing/Replacing Front Panel Cove r Example Figure 4-2 shows an e xample of disconnec ting the front panel cove r . Figure 4-2. Removing the Front Panel Cover Thumb screw LED Display Car d Auxil iary Fan Front Panel C over Ribb on Ca ble[...]

Maintenance 4- 7 Removing/Replacing Power Supply Removing/Replacing Power Supply Introduct ion This sec tion describes how to remove the power supply . Remove the Power Supply Perf orm these s t eps to remove the power suppl y: Replace the Power Supply T o repl ace th e power suppl y , reverse t he steps just de tailed i n “Remove the Power Suppl[...]

4-8 Maintenance Removing/Replacing Power Supply Example Figure 4- 3 shows an example of removing t he power supply . Figure 4-3. Removing the Power Supply Remo ve the Four Holding S crews on the Re ar Panel Suppor t Bar DC Power Supply Power Supp ly Cabl es (P1/P2) Remove the T wo H olding Screws on Inside and Slide Power Supply Out Negative Wi r e[...]

Maintenance 4- 9 Removing/Replacing P athBuilder S2 4x, 26x, and 2 7x Switch Card s Removing/Replacing PathBuilder S24x, 26x, a nd 27x Switch Cards Introduct ion This sec tion describes how to remove the PathBuilder S 24x, 26x, a nd 27x switc h cards. The I/ O cards are loca ted in se ven full-size and o ne half-size s lots on t he motherboa rd. Re[...]

4-10 Maintenance Removing/Replac ing PathBuilde r S24x, 26x, a nd 27x Switch Ca rds Example Figure 4-4 shows an e xample of removing t he suppo rt bar . Figure 4-4. Removing the Support Bar Support Latch Bar T u rn latch 1/4 turn . ®[...]

Maintenance 4-1 1 Removing/Replacing P athBuilder S2 4x, 26x, and 2 7x Switch Card s Example Figur e 4-5 shows an example of removi ng an expans ion card. Figure 4-5. Removing an Expansion Card Replacing a Card T o repla ce an expan sion car d, rever se the ste ps just deta iled i n “Removing a n Expan - sion Card .” When replacing c ards, be s[...]

4-12 Maintenance Replacing PathBuilder S24x, 26x, and 27x Switch Motherboar d Replacing PathBuilder S24x, 26x, and 27x Switch Mothe rboard Introduct ion Y ou must fi rst rem ove al l the exp ansion cards in orde r to gain access to th e motherboa rd. Removing the Motherboard Pe rform thes e ste ps to remove the moth erboard: Step Action 1 V erify t[...]

Maintenance 4-13 Replacing P athBuilder S24x, 26x, and 27x S witch Motherboard Example Figur e 4-6 shows an example of removi ng the mother board . Figure 4-6. Removing the Motherboard Install the Motherboard T o r eplace th e motherboard, reve rse the s teps jus t detailed in “ Removing t he Mothe rboard .” Remove screws. Swing mot h erboar d [...]

4-14 Maintenance Removing/Replacing the Lithium Battery Removing/Replacing the Lithium Battery Introduct ion The 3-vol t lithium battery on the CMEM car d maintai ns the node ’ s configurati on memory in the ev ent o f a powe r f ailur e. Wa r n i n g Only qual ified service personnel should perform th e procedure desc ribed in t his sectio n. Us[...]

Maintenance 4-15 Removing/Replacing the Lithium Battery Example Figur e 4-7 shows an example of removi ng the lit hium batt ery . Figure 4-7. Removing the Li thium Battery[...]

4-16 Maintenance Removing/Replacing the Lithium Battery[...]

Channelized Data 5-1 Chapter 5 Channelized Data Overview What Is It? The Channelized Data option provid es an alt ernative to using Serial Data Boa rds (SDB) to con cent rate d ata tra ffic fro m remot e node s atta ched to the PathB uild er S24x, 26x, an d 27x switch throu gh a multiplexer . Using one T 1 or E1 card install ed in a Pat hBuilder S [...]

5-2 Channelized Data Application Example Application Example Overview Figur e 5-1 shows a typical Channel ized Data application wher e multipl e remote LAN sites f eed into a cluster of Pat hBuilder S24x, 26x, and 27x switch Regio nal Concentr ators . The PathBuil der S24x, 26x, and 27x switch cluster concentr ates the traf fic and pass es it on t [...]

Channelized Data 5-3 Configuring Channelized Data Configuring Channelized Data Overview Befor e you can use the Channeliz ed Data option on your PathBuilder S24x, 26x, and 27x switc h, you must configur e the node for Chan nelized Da ta operation. Thi s sectio n describes how to set up your PathBui lder S24x, 26x, and 27x switch f or Channeli zed D[...]

5-4 Channelized Data Configuring Channelized Data[...]

Channelized Data 5-5 Configuring Channelized Data Configuri ng T1 and E1 Physical Ports Introduct ion Y ou have to co nfigure t he physi cal port s for th e T1/E1 connections between the remote nodes and the PathBuilder S2 4x, 26x, a nd 27x switc h. T1/E1 physi cal ports are configured as p orts 49 and 50 on the Path Builder S24x, 26x, and 27x swi [...]

5-6 Channelized Data Configuring Channelized Data Port Record Figure 5-2 shows the naviga tional path to the T1 a nd E1 config uration paramete rs. ‘ Figure 5-2. Example of the Port Record for the Physical Port for T1 and E1 Connections Node: nodename Address: (blank) Date: ___________Time:__________ Menu: Configure Path: (Main.6) 1. Node 2. Port[...]

Channelized Data 5-7 Configuring Channelized Data T1 Port Parameters Overview This section de scribes the T1 p ort parameters in de tail. Configurati on Guidelines Con figure a T1 P ort b efore c onfigu ring a V irtual P ort Mappin g Record, which m aps a log ical ti m eslot channel (a virt ual port) to t hat port. Port Record Parameters The follow[...]

5-8 Channelized Data Configuring Channelized Data Descript ion: Selec ts typ e of zero s uppressi on used on the T1 li nk. • B8ZS: Consecu tive 8 zero suppr essio n (clear channel) • B7ZS: Stuf fing: (56k x N) • AM I: Alter nate ma rk inv e rsion (user eq uipme nt mus t mainta in dens it y) Line Coding T ype (contin ued) T ransmit Clock Range[...]

Channelized Data 5-9 Configuring Channelized Data Threshold V alue LES Range: 1 to 255 Default: 10 Descript ion: Specif ies the number of errors t hat must oc cur withi n a fixed 15- minute window before an al arm is d eclared. This is based on the thre shold value for Line Error Seconds, which are seconds in which one or more li ne code vi olation[...]

5-10 Channelized Data Configuring Channelized Data Threshold V alue-ES Range: 1 to 255 Default: 10 Descript ion: Specif ies the number of errors t hat must oc cur withi n a fixed 15- minute window before an al arm is d eclared. This is based on the th reshold v alue for Err or Seco nds, whic h have: • one or mo re path co de violations • one or[...]

Channelized Data 5-1 1 Configuring Channelized Data Threshold V alue-SES Range: 1 to 255 Default: 10 Descript ion: Specif ies the number of errors t hat must oc cur withi n a fixed 15- minute window before an al arm is d eclared. This is based on the th reshold v alue for Seve rely Erro r Seconds. Severely Errored Seconds f or ESF si gnals have: ?[...]

5-12 Channelized Data Configuring Channelized Data Threshold V alue UAS Range: 1 to 255 Default: 1 Descript ion: Specif ies the number of errors t hat must oc cur withi n a fixed 15- minute window before an al arm is d eclared. This is based on the thre sho ld value for Unava il abl e Se con ds. The DS1 interfa ce i s unavaila ble from the onse t o[...]

Channelized Data 5-13 Configuring Channelized Data E1 Port Parameters Introduct ion This sect io n des cribes the E1 port pa ra me te rs i n det ai l. The E1 Por t Rec ord cont ai ns parame ter va lues t hat you us e to define op erating characterist ics for an E1 d ual por t digita l interface ca rd. Configurati on Guidelines Con figure an E1 port[...]

5-14 Channelized Data Configuring Channelized Data Line Impedance Range: 75, 120 Ω Default: 120 Ω Descript ion: Define s the li ne impeda nce as 75 Ω or 120 Ω T ransmit Clock Range: INT , REC Default: INT Desc rip ti on: Sele cts t h e so ur ce o f tra n smit c loc k . • INT : From Internal Oscillat or • REC: T ransmit Clock is derive d[...]

Channelized Data 5-15 Configuring Channelized Data Threshold V alue-CSS Range: 1 to 255 Default: 10 Descript ion: Specif ies the number of errors t hat must oc cur withi n a fixed 15- minute window before an al arm is d eclared. This is based on the thre shold value for Controlle d Slip Seconds, whic h are one- second int e rvals contai ning on e o[...]

5-16 Channelized Data Configuring Channelized Data Threshold V alue-SES Range: 1 to 255 Default: 10 Descript ion: Specif ies the number of errors t hat must oc cur withi n a fixed 15- minute window before an al arm is d eclared. This is based on the th reshold v alue for Seve rely Erro r Seconds. Severely Errored Seconds f or ESF si gnals have: •[...]

Channelized Data 5-17 Configuring Channelized Data Threshold V alue UAS Range: 1 to 255 Default: 1 Descript ion: Specif ies the number of errors t hat must oc cur withi n a fixed 15- minute window before an al arm is d eclared. This is based on the thre sho ld value for Unava il abl e Se con ds. The DS1 interfa ce i s unavaila ble from the onse t o[...]

5-18 Channelized Data Configuring Channelized Data Configurin g V irtual Po rts on the PathBuil der S24x, 26x, and 27x S witch Introduct ion Y ou have to co nfigure a virtual port for each co nnection b etween the remote nodes and the Pa thBuil der S24 x, 26x, and 27x switch. How to.. . Follow th ese steps to conf igure virtual ports be tween the r[...]

Channelized Data 5-19 Configuring Channelized Data V irtual Port Record Figure 5-3 shows how t o navigate the CTP hi erarchy to the Port reco rd. The Po rt Numb er and Po rt T yp e parame ters ar e alwa ys th e fi rst two param eter s that ap pear in the Port record. Figure 5- 3. Port Configurati on for Channel ized Data Option Node: nodename Addre[...]

5-20 Channelized Data Configuring Channelized Data Configuri ng Virt ual Port Mapping T able Introduct ion A T1 or E1 digital port compr ises multiple logi cal data channel s. These ch annels, known as vir tual ports, are not associ ated with a ny physi cal sl ot number and have no physical I/O of t heir own. Before Y ou Begin Obt ain the timeslo t[...]

Channelized Data 5-21 Configuring Channelized Data Configuring the V irtual Mapping T able Perform t his proce dure to configur e the V irtual Port Mapping T able. Virtua l P o rt Mapping T able Parameters This sectio n des cribe s para meters for th e V irtu al Po rt Mapp i ng T able . Step Action Result 1 From the CTP Main menu, select Configure [...]

5-22 Channelized Data Configuring Channelized Data Ti me S l o ts Range: 1 to 31 Default: 1 Descript ion: Each t ime slot pr ovides a 64k channe l to pass traf fic. Speci fy the time s lot assi gnment for the logic al cha nnel: • 1 to 24 for T1 port t ype • 1 to 31 for E1 port type; 16 is not allowed Boot T ype: Changes to this param eter requ [...]

Cables A-1 Appendix A Cables Overview Introduct ion The tabl es in this append ix des cribe the pinouts f or ports on the P athBuil der S24x, 26x, and 27x switch. Cable pino uts fo r Etherne t and LAN ca bles are also p rovided. The foll owing table shows EI A 232-D signa ls with V .24 DIMs on the moth erboard and SDB card s. EIA 232-D Signals (Mot[...]

A-2 Ca bles The foll owing table shows V .35/V .36 signal s with V .35/V .36 DIMs o n the motherboa rd. V.35/V.36 (Mothe rboard) Pin DCE Position Funct ion/ Signal Name Pin DTE Position Function / Signal Name 1 - ------ ----- --- SHI ELD/F RAM E GROUND 1 ------- ---- ---- SHI ELD /FRAM E GROUND 2 <-------------- TRANSMITTED DA T A A 2 ----------[...]

Cables A-3 The follo wing table shows V .35/V .36 signals wi th V .35/V .36 DIMs on the SDB card. V.35/V.36 (SDB) Pin DCE Position Funct ion/ Signal Name Pin DTE Position Functi on/Si gnal Name 1 - ------ ----- --- SHI ELD/F RAM E GROUND 1 ------- ---- ---- SHI ELD /FRAM E GROUND 2 <-------------- TRANSMITTED DA T A A 2 --------------> TRANSM[...]

A-4 Ca bles The foll owing table shows V .1 1 signals with V .1 1 DIMs on the mother board. V1 1 Signals (Motherboar d) Pin DCE Position V .1 1 Function/ Signal Name Pin DTE Position Function / Signal Name 1 ----- ---- ------ SHIEL D/ FRAME GROUND 1 - ------ ---- ---- SHI ELD / FRAME GROUND 2 <-------------- T (A) TRANSMIT DA T A A 2 -----------[...]

Cables A-5 The foll owing table shows V .1 1 signals with V .1 1 DIMs on the SDB card . V1 1 Signals (SDB) Pin DCE Position V .1 1 Function/ Signal Name Pin DTE Position Function / Signal Name 1 ----- ---- ------ SHIEL D/ FRAME GROUND 1 - ------ ---- ---- SHI ELD / FRAME GROUND 2 <-------------- T (A) TRANSMIT DA T A A 2 -------------> TRANSM[...]

A-6 Ca bles Ethernet Cable Pinouts Ethernet C able Pinout s Introduct ion This cabl e may have a m aximum length of up to 100m and must conf orm to the 802.3 10Bas eT speci fica tion, with a nominal impedan ce of 1 00 ohms. Ca tegory 3, 4, or 5 cabl e may be u sed. Categor y 4 or 5 is prefe rred. Additional Info rmatio n Refe r to ANS I /TIA /EIA 5[...]

Cables A-7 Ethernet Cable Pinouts 12 Receiv e- 13 +12V 14 Sh ield Pin Signal[...]

A-8 Ca bles Ethernet Cable Pinouts[...]

PathBuilder S24x, 26x , and 27x Switch Specifications B-1 Appendix B PathBuild e r S24x, 26x, and 27x Switc h Specifications Overview The fo llowing se ctions list t he physical, electri cal, and environm enta l spec ificati ons for the PathBuilder S24x, 2 6x, and 27 x switch. Physical Specificat ions Height: 17.8 in. (45. 3 cm) W idth: 10.0 i n. ([...]

B-2 PathBuilder S2 4x, 26x, and 27x S witch S pecifications[...]

PathBui lder S24x, 26x, and 27x Swi tch Error C odes C-1 Appendix C PathBuilde r S24x, 26 x, and 27x Switch Err or Code s Overview Numeric LED Display The 2- characte r numeric LED dis play provi des sy stem dia gnostic c odes to assist in trouble shooti ng. When t he Serv ice LED is ON, a 2 -digit c ode on the numeric LED display corresponds to a [...]

C-2 PathBui lder S24x, 2 6x, and 27x Swit ch Erro r Codes Note During a wa rm start, display sequenci ng sta rts with the “L2” cod e. 48 OFF ON FLASH write fa ilure 49 OFF ON Read error on Port 6 60 OFF ON Local DRAM exhaus ted 8.8. ON OFF PBIST (~ 3 seconds) (Blank) OFF OFF PBIST lamp-of f test (~.5 seco nds) L0 OFF OFF Load Phase 0—PROM IPL[...]

T echnical Support D-1 Appendix D T echnical Support 3Com prov ides easy access to techni cal s upport in formation throug h a variety of serv ices. This appendix desc ribes the se services. Info rmat io n cont ained in this appe ndix is correct a t time of publicati on. For the very latest , 3Com rec ommends tha t you acce ss the 3Com Corporati on[...]

D-2 T echnical Supp ort 3Com Bulletin Board Service The 3Com BBS cont ains patc hes, software, and dri v ers for 3Com product s. This servic e is avail able th rough analog modem or di gital modem (ISDN) 24 hours a day , 7 days a we ek. Access by Analog Modem T o reach th e service by modem, se t your modem to 8 data bits, no parit y , and 1 stop b[...]

T echnical Support D-3 If you are unable to contact y our n etwork su pplier , see the following sec tion on how to conta ct 3Com. Support from 3Com If you ar e unabl e to obta in ass istan ce from the 3Com onli ne techni cal re sources o r from your network suppli er , 3Com off ers technical telephone support servic es. T o find out more abo ut yo[...]

D-4 T echnical Supp ort Retur ning Products for Repair Before y ou send a produc t dir ectly t o 3C om for repai r , you must firs t obt ain a Return Materials Au thorizat ion (RMA) number . Products se nt to 3Com wit hout RMA numbers will be r eturn ed to the s ender unopened, at the sender ’ s expense. T o obtain a n RM A number , call or fax: [...]

Index Index-1 Numerics 10 Base 2 Tr ansceiver 1- 9 10 Base T Tr ansceiver 1-41 3Com bull etin boa rd service (3Com BBS) D-2 3Com URL D-1 3ComFacts D- 2 -48V Ringer /Power Suppl y Card and En closure cables req uired 1-39 descri ption 1-38 example of (figur e) 1-38 jumpers defini tions 1-38 instal ling 1-38 locati ons 1-38 A Alarms Channeli zed Data[...]

Index-2 cables req uired 1-26 descri ption 1-10 , 1-26 example of (figur e) 1-27 functi ons provided 1-2 6 jumpers default s 1-29 defini tions 1-29 for UK and Ge rmany two- wire complex impeda nce 1-30 instal ling 1-31 locati ons 1-31 DSPM/FXS Card cables req uired 1-32 descri ption 1-32 example of (figur e) 1-33 , 1-36 functi ons provided 1-9 , 1-[...]

Index-3 transc eiver 3-23 Instal ling T1 du al por t di gita l P BX i nterf ace c ard 3- 17 INT provi ding cloc k to the network 3-7 J Jump ers on -48V ri nger/power suppl y card defini tions 1-38 instal ling 1-38 locati ons 1-38 on DSPM/E&M car d default s 1-29 defini tions 1-29 for UK c omplex and t wo-wire Germany complex i mpedance 1-30 ins[...]

Index-4 Power S upply 1-11 removing/ replaci ng 4- 7 R Rack-Mount configu ration 1-8 instal lation 2-5 , 2-8 parts 2-6 Radio Fre quency Interfer ence Regula tions 1-42 RAM 1-12 instal lation 3-1 4 Regional Concentrat or Example 1-4 Removing Pede stal B ase 2- 10 SIMMs 3-15 Removing /Replacing cover 4-3 Front Pan el Cover 4-5 Lithium Battery 4-14 Pa[...]

Index-5 disabli ng 5-18 W Warm Rest ar t 3-2 4 World Wide Web (WW W) D-1[...]

Index-6[...]