Cabletron Systems 9033073 manuale d’uso

Title Page RoamAbout 802.1 1 Outdo or Antenna Instal lation Guid e 9033073[...]

[...]

RoamAbout 802.1 1 Outdo or Antenna Instal lation Guid e[...]

Notice Cabletro n System s reserv es the rig ht to ma ke ch anges in specific ations an d other i nformati on cont ained in this doc ument w ithout prior notice. The reade r should in all case s consul t Cabletr on Systems to determ ine whethe r any s uch chan ges ha ve been ma de. The hardwa re, firmwar e, or so ftware des cribed in this manual is[...]

Outdoor A ntenna I nstallat ion Guid e iii Regu lat o ry I nform atio n Canada The products included with t he RoamAbout Outdoor Kit for outdoor ant enna installations comply with GL-36 of Industry and Science Canada. USA - Federal Communications Commission (FCC) The devices included with this outdoor kit comply with Part 15 of FCC R ules. Operatio[...]

iv Outdoor An tenna In stallati on Guide Notes, Cauti ons and W arnings This gui de uses t he followi ng conve ntions fo r notes, c autions and warnings: NOTE The NOTE s ymbol c alls the reade r ’s attention to imp ortant informat ion. CAUTION ! The CAUTION sym bol caut ions agai nst acti ons that c ould result in equ ipment damage . W ARNING The[...]

Outdoor A ntenna I nstallat ion Guid e v Gettin g Help Before call ing your servic e provi der for a ssista nce, ha ve the followin g inform ation rea dy: • Y our se rvic e co ntr ac t numbe r • A desc ription of the p robl em • A desc ription of any actio n(s) alr eady taken to r esolve the prob lem . • The ser ial and revisi on number s o[...]

[...]

Outdoo r Antenna Installa tion G uide vii • Notice ii • Regulato ry Informat ion iii • Notes, Ca utions an d Warnin gs iv • Gettin g Help v 1 Intro duction 1-1 About Thi s Gu ide 1-1 • Who Sh ould Use Th is Guid e 1-1 • Organiz ation of this Gui de 1-2 The Ro amAbout Ou td oor K it 1-4 Finding Additiona l Informa tion 1-6 2 Installati o[...]

T able of Contents viii Outdoo r Antenn a Insta llation G uide T able of Contents Overview of the Outdo or Installa tion 2-10 • Antenna P lacemen t 2-11 • Antenna M ast/Wall Bracket 2-13 • Groundin g System 2-15 • RoamAbou t Anten nas 2-15 • Antenna A lignmen t 2-17 • Antenna C able Ro uting 2-18 • Before C limbing the Roof. .. 2-19 3[...]

T able of Contents Outdoo r Antenna Installa tion G uide ix A The RoamAbout 14-dBi Directional Antenna A-1 General Desc ription A-1 • Contents of the A ntenna Bo x A-1 B The RoamAbout 7-dBi Omni-Directional Antenna B-1 General Desc ription B-1 • Contents of the A ntenna Bo x B-1 C The Antenna Cabling System C-1 The Outdo or Cabling Components C[...]

[...]

Outdoor A ntenna I nstallat ion Guid e 1-1 1 Intr oduction About This Guide 1 This RoamAbout 802.1 1 Out door Ante nna Instal latio n Guide explai ns how to i nstall a nd set up a RoamA bout Outd oor Anten na link. I nformation i s also p rovide d to ve rify the wirel ess li nk quali ty and cor rect an y pro blems th at may arise d uring in stall a[...]

Introduction About This Guid e 1-2 Outdoor Ant enna Ins tallati on Guide Organiz ation of t his Guide 1 In this g uide you will find in formation to prepare for and verify th e antenna i nstallati on. The informati on is or ganized as follo ws: Cha p ter 1 - In troduc tion ( Th is Chap ter ) 1 Introduc es the Roa mAbout O utdoor Ki t and d escribes[...]

Introduction About This Guid e Outdoo r Antenna Installa tion G uide 1-3 Appendix C - The Ant enna Cabling S ystem 1 Descr ibes the hardware specific ations of the certi fied Ro amAbout Cable As sembly , Lightning P rotector an d Low-los s Antenna Ca ble, which y ou will need to connec t a RoamAb out Ac cess P oint or other computi ng devic e to an[...]

Introduction The Roam About Out door Kit 1-4 Outdoor Ant enna Ins tallati on Guide The RoamA bout Outdoor Kit 1 The RoamAb out Ou tdoor Kit is a set of antenna product s that enable y ou to conn ect multi ple bu ildings or LANs v ia a wireles s outdoor point-to-po int li nk. The kit pr ovides a s electio n of hi gh-gain, low-noi se antenna s and co[...]

Introduction The Roam About Out door Ki t Outdoo r Antenna Installa tion G uide 1-5 W ARNING 1. The outdoor anten nas supp lied with your Roam About Outdoor Kit are in tended for mounti ng on a roof or the side of a build ing. 2. Antennas shou ld only b e instal led by a q ualified inst aller or antenna i nstal latio n servi ce. 3. Site pr erequis [...]

Introduction Finding A dditio nal Infor mation 1-6 Outdoor Ant enna Ins tallati on Guide Finding Additi onal Information 1 Install ing a RoamAbout Acc ess Point 1 The insta llation o f a RoamA bout Acc ess Po int is de scrib ed in the RoamAbou t Acces s Point U ser ’s Gui de included with ea ch RoamAbo ut Acce ss Poin t. Configurat ion and Manag [...]

Introduction Finding A dditio nal Infor mation Outdoo r Antenna Installa tion G uide 1-7 Additional file s on your diskettes 1 All softwa re disk ettes that come with yo ur RoamA bout prod ucts includ e a readme.tx t file whi ch conta ins info rmation a bout the software versi on and/or dri vers on the diskette . Y ou are a dvised to print a nd rea[...]

[...]

Outdoor A ntenna I nstallat ion Guid e 2-1 2 Installation Guidelines Site Pr er equisi tes 2 Pleas e review al l requir ement s outline d within th e sectio ns lis ted below be fore th e installat ion proc ess begi ns: • Pre-Ins tallat ion Checkli st • Overvi ew of th e Indoor In stall ation • Overview o f the Outd oor Insta llation • Befor[...]

Installation Guidelines Pre-In stallati on Chec klist 2-2 Outdoor Ant enna Ins tallati on Guide Pre- Installation Checklist 2 Before you insta ll the Roa mAbout antenn a system, y ou must configur e the co mmunic ation s link as follow s: RoamAbout Access Point (AP) Configuration: √ Bridge Mod e - LAN-to-LAN (same setting for each A P) √ Remote[...]

Installation Guidelines Overvie w of the Indo or Instal latio n Outdoo r Antenna Installa tion G uide 2-3 • A low-los s antenna c able (E ) to conne ct the in door instal latio n to the out door a ntenna. All of these com ponents a re incl uded in th e RoamA bout Outd oor Kit. Ea ch co mponent c an be pu rchase d separatel y . Figur e 2-1 Indoor [...]

Installation Guidelines Overvie w of the Indo or Instal latio n 2-4 Outdoor Ant enna Ins tallati on Guide Figur e 2-2 RoamAbout PC Card Identificatio n • In countr ies that adher e to FCC regu lations 1 , use th e RoamAbou t PC Card w ith the black-bac kgroun d label . • In France , Japa n, and cou ntries t hat adhe re to ETS I regulat ions 2 ,[...]

Installation Guidelines Overvie w of the Indo or Instal latio n Outdoo r Antenna Installa tion G uide 2-5 When y ou order a RoamAbo ut Out door Kit , the kit m arketed in your co untry wi ll in clude the co rrect card type t h at com plies with the reg ulatio ns that app ly in y our coun try . If you pu rchase RoamA bout out door anten na equipm en[...]

Installation Guidelines Overvie w of the Indo or Instal latio n 2-6 Outdoor Ant enna Ins tallati on Guide Placemen t of the Roa m About Acces s Point 2 The idea l locat ion to in stall your Roam About Acce ss Poi nt mus t satisfy the fo llowing r equirem ents: • The locat ion must b e indo ors to prot ect the unit from extreme weather c ondit ion[...]

Installation Guidelines Overvie w of the Indo or Instal latio n Outdoo r Antenna Installa tion G uide 2-7 Prior t o mount ing th e RoamAbou t Acces s Poin t, you ar e advis ed to caref ul ly calculat e: • The dist ance b etween the i ntended locatio n of yo ur RoamAbo ut Acces s Point and the location of the a ntenna mast. • The heigh t of the [...]

Installation Guidelines Overvie w of the Indo or Instal latio n 2-8 Outdoor Ant enna Ins tallati on Guide Placement o f the Light ning Pr otector 2 Lightnin g protec tion is d esign ed to prot ect peopl e, proper ty and equipmen t by prov iding a path to t he ground whenev er lightni ng strikes your an tenna ins tallation . The Roam About L ightnin[...]

Installation Guidelines Overvie w of the Indo or Instal latio n Outdoo r Antenna Installa tion G uide 2-9 The cabl e shoul d not be instal led into tight positio ns, a s bendin g or applyi ng exces sive f orce to th e connec tors may d amage th e antenna c able. Always al low the cable to b end nat urally ar ound corner s. The rec ommended b end ra[...]

Installation Guidelines Overvie w of the Ou tdoor Installat ion 2-10 Ou tdoor Antenna Ins tallati on Guide Overview of the Outdoor Inst allation 2 V erify t he avail ability of the fo llowing c omponents requir ed for th e outdoor installa tion of the point- to-poin t link: • The RoamAb out Sy stems A ntenna. • The RoamAbo ut Systems low-los s [...]

Installation Guidelines Overvie w of the Outdoo r Instal lation Outdoo r Antenna Installa tion G uide 2-11 Antenna Place ment 2 T o a chieve maximum perform ance for your wirel ess outd oor connec tion, the Ro amAbo ut Outdoor Antenna s must have cl ear line- of-sigh t which is defin ed as: • No obsta cles in the di rect path between the two ante[...]

Installation Guidelines Overvie w of the Ou tdoor Installat ion 2-12 Ou tdoor Antenna Ins tallati on Guide Figur e 2-3 Potent ial Ob stacle s for a Di rect ional Ante nna T o mi nimize the inf luence of obstacl es, sign al inter ference or reflectio ns ple ase note t he foll owing gui delines: • Mount the antenna as high a s possi ble abov e grou[...]

Installation Guidelines Overvie w of the Outdoo r Instal lation Outdoo r Antenna Installa tion G uide 2-13 Environ ments with large refl ective surface s include: • Building s with mirrored -glass or low emis sivity ( low-e) gl ass • Crowded par king lots • W ater or moist ear th and mo ist vege tation • Above ground po wer/teleph one lines[...]

Installation Guidelines Overvie w of the Ou tdoor Installat ion 2-14 Ou tdoor Antenna Ins tallati on Guide Wall (S ide) Mount 2 A wall (s ide) mou nt allows for mount ing an antenna ( mast) on the side of a buildin g or other struc ture. This provides a conve nient mounting locat ion when th e roof ov erhang i s not exces sive an d/or the loca tion[...]

Installation Guidelines Overvie w of the Outdoo r Instal lation Outdoo r Antenna Installa tion G uide 2-15 Groundi ng System 2 The grou nding sy stem mus t satisfy the foll owing req uiremen ts: 1. The antenna mast, Roa mAbout Access Point, and Ro amAbou t Lightni ng Protec tor must be conne cted to the same ground, using a low-re sist ance bond in[...]

Installation Guidelines Overvie w of the Ou tdoor Installat ion 2-16 Ou tdoor Antenna Ins tallati on Guide Antenna Polar ization 2 Radio wav es emitti ng from a Y a gi ante nna are l inear , lea ving the antenna i n the same plane as the ant enna el ements. • When the elemen ts are po sitione d up and dow n , the radi o waves are vert icall y pol[...]

Installation Guidelines Overvie w of the Outdoo r Instal lation Outdoo r Antenna Installa tion G uide 2-17 Antenna Alignme nt 2 For opti mal perfo rmance, make su re the ante nnas a re proper ly aligned : 1. Use a pair of binocula rs, a compa ss, and /or a map of the area to point the ante nnas at each othe r . 2. Analyze the quality o f the radi o[...]

Installation Guidelines Overvie w of the Ou tdoor Installat ion 2-18 Ou tdoor Antenna Ins tallati on Guide Y ou ca n optimiz e antenna a lignm ent by mak ing sma ll modific ations i n the antenn a orienta tion wh ile obse rving th e result ant change s dis played o n the AP M anager P oint-to-P oint Diagnost ic s sc reen . Aligni ng an om ni-direc [...]

Installation Guidelines Overvie w of the Outdoo r Instal lation Outdoo r Antenna Installa tion G uide 2-19 Befor e Climbing the Roof ... 2 Before you star t the ins tallation , check the conten ts of you r RoamAbo ut Outdoor Kit. If th ere are signs o f shippin g dama ge, contac t the ship ping c arrier to file a c laim. V eri fy that yo u have all[...]

[...]

Outdoor A ntenna I nstallat ion Guid e 3-1 3 Determining Ran ge & Clearance The Fre s nel Zone 3 As ide ntified i n Chapter 2 - Installa tion Gui delin es , you need a clear li ne-of-si ght to s et up an ou tdoor ante nna ins tallati on that meets y our requi rements in ter ms of range and thr oughput perfor mance . In Chapter 2, we d escribed [...]

Determining Range & Clea rance The Fresnel Zon e 3-2 Outdoor Ant enna Ins tallati on Guide As sho wn in Figure 3 -1, the re are tw o major variabl es that determine t he shape o f the Fres nel Zone: • The dista nce be tween the ant ennas (1) • The minim um cl earance required f or optima l perfor mance ( 2). Figure 3-1 Fresnel Zone Refer to[...]

Determining Range & Clea rance Other Co nsideratio ns Outdoo r Antenna Installa tion G uide 3-3 Other Consideration s 3 In mo st liter ature co ncernin g wir eless ou tdoor products , two parame ters are us ually l isted to indicate transmi tted sign al strength: output po wer of the ra dio, and gai n of the anten na system. • Output P ower o[...]

[...]

Outdoor A ntenna I nstallat ion Guid e 4-1 4 Installing the Antenna Planning the Antenna Installation 4 The grou nding sy stem for the antenna mast, RoamAb out Acce ss Point, a nd Roam About L ightning Protecto r should be inst alled befo re the cab le from t he anten na is co nnecte d to the li ghtnin g arrest or . This will pro tect yo u and yo u[...]

Installing the Antenna Plannin g the An tenna In stall ation 4-2 Outdoor Ant enna Ins tallati on Guide T o v erify the eq uipme nt prior to installa tion, y ou may n eed to procee d with the g uideline s descr ibed in the Roam About A ccess Poin t User ’s Guid e before p erforming t he pro cedures i n this chapter . Th e RoamAbou t Acces s Point [...]

Installing the Antenna Plannin g the An tenna I nstall ation Outdoo r Antenna Installa tion G uide 4-3 ELECTRICAL HAZARD W ARNINGS (Continued) 6. The low-los s anten na cable that conne cts th e anten na to the lightn ing prot ector mu st be a t least 1m (3 ft) a way from any high vol tage o r high cur rent cab le. 7. Check whe ther the a ntenna ma[...]

Installing the Antenna Plannin g the An tenna In stall ation 4-4 Outdoor Ant enna Ins tallati on Guide Insta llation Ove rview 4 The i n stallati on pr oces s is summar iz ed in the f ollow ing step s: 1. Make sure the AP’s are c onfigu red as sp ecifie d in th e Pre- Install ation Ch ecklis t on pag e 2-2. 2. V erif y that the antenna suppor t s[...]

Installing the Antenna Mounting the Ante nna Outdoo r Antenna Installa tion G uide 4-5 1 1 . After v erifying tha t the com municati ons link is fully ope rational , secure a ll cabl es and us e weathe rproofing tape to s eal all outdo or co nnect ors. Mounting th e Antenna 4 The RoamA bout ant ennas are availa ble as a RoamAb out 14-dB i Directio [...]

Installing the Antenna Mounting t he Ante nna 4-6 Outdoor Ant enna Ins tallati on Guide • Four flatw ashers and four nuts ( included wi th antenna) • A sock et wrenc h to tighten the nu ts 2. Note the arrows on the pla stic an tenna mo unting bas e. 3. Install the ante nna wit h the arrows point ing up. 4. Attach the anten na moun ting base and[...]

Installing the Antenna Mounting the Ante nna Outdoo r Antenna Installa tion G uide 4-7 Mounting on a Flat S urface 4 When mo unting the antenna on a fl at vertica l surface, you mu st provide a smoo th surface f or the bac king pl ate. On wa ll su rfaces such a s brick, block or s tucco, i nstall a n interm ediate pla te between th e wall and the b[...]

Installing the Antenna Mounting t he Ante nna 4-8 Outdoor Ant enna Ins tallati on Guide Figur e 4-2 Mounti ng the 14-dB i Ant enna to a W all Mounting the Omni -dir ectional Antenna 4 It is reco mmende d that you mount th e RoamAbo ut 7-d Bi Omni- Direction al ante nna to a mast. Pr oceed as follows : 1. V erif y that you have the fol lowi ng items[...]

Installing the Antenna Mounting the Ante nna Outdoo r Antenna Installa tion G uide 4-9 Figure 4-3 M o unting the Omni-Directional Antenna to a M ast 2. Referring to Fi gure 4-3, m ake sur e the gas ket (B) is instal led on the an tenna mo unting base (A) . 3. Insert the thr eaded por tion of the antenn a mounti ng base through the hole i n the to p[...]

Installing the Antenna Connectin g the A ntenna Cabl e 4-10 Ou tdoor Antenna Ins tallati on Guide 6. Secure the meta l mounting bracket (with a ntenna) to t he mast using two hose -clamps . 7. Connect the outdo or porti on of the an tenna c able (E) to the threaded portion of the anten na moun ting ba se. 8. Proceed to Connecti ng the A ntenna Cabl[...]

Installing the Antenna Connectin g the A ntenna Cabl e Outdoo r Antenna Installa tion G uide 4-11 5. Prior to secu ring the cable along its comple te length, ru n the Point-to- Point diagnos tics of t he RoamAbo ut Acces s Point Manager progra m to analy ze wirele ss pe rforman ce and optimal placeme nt of the outdoor a ntenna (see Figure 2-4 on pa[...]

Installing the Antenna Connectin g the A ntenna Cabl e 4-12 Ou tdoor Antenna Ins tallati on Guide Sealing t he Cable C onnector s 4 Most pr oblems a ssociated with wir eless outd oor ins tallat ions are related to de grading pe rforman ce du e to the effects o f corros ion of the antenn a cabl e and cab le connec tors. T o avoid this type of proble[...]

Outdoor A ntenna I nstallat ion Guid e A-1 A The RoamAbout 14-dBi Directional Antenna General Descripti on 1 The RoamAb out 14- dBi Direct ional Antenna is a high-g ain ant enna for the 2.4 GHz fr equency band. The antenn a is a tota lly enclose d 16-elem ent Y agi des igned for point -to-po int commun icatio ns . It has a typical VSWR of 1.5:1 and[...]

The RoamAbout 14-dBi Directional A ntenna General De script ion A-2 Outdoo r Antenn a Insta llation Gui de T able A-1 Specifications 14-dBi Direct ional Antenna Mechan ical • Size 45.7 cm (1 8 in) • Mounting Me thod • Ver tical mast with an o uts id e di amet er between 35 mm (1 .4 in) a nd 42 mm (1.6 in) us ing u-b olts. • Wall usi ng plu [...]

Outdoor A ntenna I nstallat ion Guid e B-1 B The RoamAbout 7-dBi Omni- Directional Antenna General Descripti on 2 The RoamA bout 7-dB i Omni- Direct ional An tenna i s a broad band anten na for the 2.4 GH z fre quency b and feat uring an omni- directio nal pa ttern with a nominal gain o f 7 dBi. This ant enna is en caps ulated in a weathe rproof pr[...]

The RoamAbout 7-dBi Omni-Directional Antenna General De script ion B-2 Outdoo r Antenn a Insta llation Gui de T able B-1 Specifications of the 7-dB i Omni-Directional Antenna Mechan ical • Size 45,7 cm (18 in .) • Mo un tin g met h od Clam ps to vert ical mast w ith outsi de diamete r up to 51mm (2 i n.) Cable • Type RG-5 8A/U , 50 o hm lo w-[...]

Outdoor A ntenna I nstallat ion Guid e C-1 C The Antenna Cabling System The Outdoor Cabling Components 3 T o c onnect y our RoamA bout Acc ess Po int to an outdoor antenn a install ation you will need the followi ng cabli ng compon ents as p ictured on the right si de of thi s page: A. RoamAbo ut Cable Assemb ly B. RoamAbo ut Ligh tning Protec tor [...]

The Antenna Cabling System The Outdoo r Cablin g Compon ents C-2 Outdoor Ant enna Ins tallati on Guide When or dering sep arate co mponent s, ens ure that you orde r produc ts with the correc t N-T yp e connec tor to matc h the ot her outdoor cabling compo nents t hat apply to your cou ntry T able C-1 Selecting the Correct N-T ype Connector NOTE Th[...]

The Antenna Cabling System The Outdoo r Cablin g Compon ents Outdoo r Antenna Installa tion G uide C-3 ELECTRICAL HAZARD W ARNINGS 1. Outdoor ant ennas and antenna cables are electr ical condu ctors. T ran sients o r ele ctrostatic disc harges that may occur at the antenna ( e.g., li ghtning) may d amage your el ectroni c equipm ent and caus e pers[...]

The Antenna Cabling System RoamAbout Cable A ssembl y C-4 Outdoor Ant enna Ins tallati on Guide RoamAbout Cable Assembly 3 The RoamAb out Cabl e Assem bly is a pr opriet ary cable used to connect the Roam About PC C ard to a RoamAbo ut outdo or antenna s ystem. Th is cabl e is in cluded i n the Ro amAbout O utdoor Kit. One end of the cabl e has a p[...]

The Antenna Cabling System RoamAbout Lightn ing Prot ector Outdoo r Antenna Installa tion G uide C-5 RoamAbout Ligh tning Protector 3 The RoamA bout Li ghtning P rotector i s a surg e arrestor that protec ts your se nsiti ve RoamA bout equip ment fr om high- voltage currents caused by discha rge a nd transi ents at th e anten nas. T ab le C-3 list [...]

The Antenna Cabling System RoamAbout Lightn ing Prot ector C-6 Outdoor Ant enna Ins tallati on Guide Insta llati on 3 T o i nstall th e RoamA bout Light ning P rotector: 1. Det ermin e a suita ble lo catio n for t he Lightni ng Prote ctor as descr ibed in Ch apter 2 - Ins talla tion Gui delines . 2. A s shown i n Figure C-1 , secu re brack et (A) t[...]

The Antenna Cabling System RoamAbout Lightn ing Prot ector Outdoo r Antenna Installa tion G uide C-7 6. In sert the Lightn ing Pr otect or into th e openi ng in bracke t (A). 7. Tighten hexn ut (G) to s ecure t he Roam About Ligh tning Protector in its position , and en sure tha t the Pro tector is properly connec ted to th e ground ing sys tem. Ro[...]

The Antenna Cabling System Low-Los s Antenna Cable C-8 Outdoor Ant enna Ins tallati on Guide Low-Loss Antenna Cable 3 A 15m ( 50 ft) Low-l oss a ntenna cab le is in cluded i n the RoamAbou t Outdoor Kit (seeT able C-5). Cab le is al so avail able in two other standa rd length s: • 6m (20 ft ) - see T able C-4 • 22m (75 ft) - se e T able C- 6 T [...]

The Antenna Cabling System Low-Los s Antenna Cable Outdoo r Antenna Installa tion G uide C-9 T able C-5 Cable Specifications for t h e 15m (50 ft ) Antenna T able C-6 Cable Specifications for t h e 22m (7 5 ft) Antenna Mechanic al Speci fications Length 15 meter (5 0 ft) Diam ete r 10 mm (0 .4 in ) Weight 101.2 gram /meter (0.068 lbs /ft) Bend Radi[...]

[...]

Outdoor A ntenna I nstallat ion Guid e D-1 D Calculating Range & Clearance Intr oduction 4 This app endix pr esents r eference i nformati on to he lp you: • Calcul ate the t ypical and /or maxi mum comm unica tions r ange you ca n achiev e using c omponent s ava ilable in th e RoamAbo ut Outdoor K it. • Selec t optimal a ntenna height for y[...]

Calculating Range & Clea rance The Dynami c Rang e Budget D-2 Outdoor Ant enna Ins tallati on Guide The Dynamic Range Budget 4 The Dynami c Range B udget i s the sum of the following factors as determi ned at both ends o f the wire less out door lin k: • T ype of Ro amAbout O utdoor Ante nna: — RoamAbou t 7-dBi O mni-Di rection al An tenna,[...]

Calculating Range & Clea rance The Dynami c Rang e Budget Outdoo r Antenna Installa tion G uide D-3 T able D-1 Dynamic Range (FCC) The diam eter of th e 1 5m (50 f t) an d 22 m (75 f t) cables is larg er th an the d ia meter o f the 6m (20 ft) c abl e. Therefo re the c able loss of 5 0 ft ca bles i s the sa me as for 20 ft cables , resul ting i[...]

Calculating Range & Clea rance The Dynami c Rang e Budget D-4 Outdoor Ant enna Ins tallati on Guide T able D-2 Dynamic Range (ETSI. France & Japan) The diam eter of the 15m (5 0 ft) and 22m (75 f t) cables is lar ger than the diam eter of the 6m (20 ft) cable. Therefo re the c able loss of 5 0 ft ca bles i s the sa me as for 20 ft cables , [...]

Calculating Range & Clea rance The Dynami c Rang e Budget Outdoo r Antenna Installa tion G uide D-5 Link speed ve rsus Range 4 Communi cation s at lower data sp eeds m ay travel longer distanc es. In s ituations whe re rang e is mor e critica l to your network tha n data spe ed, yo u may wish to li mit the da ta spe ed to 1Mbit/s to increas e t[...]

Calculating Range & Clea rance The Dynami c Rang e Budget D-6 Outdoor Ant enna Ins tallati on Guide T o r ead T able D-3 cor rectly: • Use the Dy namic Ra nge Bu dget valu e that y ou read f rom either T able D- 1 or T able D-2 . • Locate th is valu e in T able D-3: — V a lues mar ked with an aster isk (*) in T able D-3 co rrespo nd to Dy[...]

Calculating Range & Clea rance The Dynami c Rang e Budget Outdoo r Antenna Installa tion G uide D-7 The valu es list ed in T able D -3 are bas ed upon calcul ations th at assum e optimal radio conditions . There is no gu arantee th at the same ma ximu m distanc e can be achie ved at your lo catio n. Different perfor mance fi gures m ay res ult [...]

Calculating Range & Clea rance The Dynami c Rang e Budget D-8 Outdoor Ant enna Ins tallati on Guide Dete rm ine T y p ical R ange 4 After look ing at the minim um clear ance re quireme nts in T able D-3 on pag e D-6, yo u may realiz e that loca l reg ulations , loca l buildi ng codes, o r othe r rest riction s could prohibi t the in stalla tion[...]

Calculating Range & Clea rance The Dynami c Rang e Budget Outdoo r Antenna Installa tion G uide D-9 T able D-4 Actual Clearance and T ypical Range Dynami c Range Optimal Clearan ce Line-of-Sight Cle arance th at is Actually A vailable 5 m (16.5 ft) 10 m (33 ft) 15 m (50 ft) 20 m (66 ft) meters (ft) k m (mi) km (mi) km (m i) km (mi) 106.8 dB 5.8[...]

Calculating Range & Clea rance Which A ntenna do Y ou Ne ed D-10 Outdoor Antenn a Install ation Guide Which Ant enna do Y o u Need 4 If you hav e not yet purchas ed a RoamA bout Outd oor Kit, you c an read the tables i n this app endix in reverse order to deter mine the type of an tenna you will n eed. 1. Det ermine the di stance betw een the t[...]