ADTRAN DSU 56 инструкция обслуживания

DSU 56/64 Data Serv ice Unit User Manual P art N umber 1200062L1 61200062L 1-1E May 2001[...]

901 Ex plore r Boulevar d P .O. B ox 140000 Huntsv ille, AL 35814 -4000 (256 ) 963-800 0 © 2001 ADTRAN, Inc. All Ri ghts Res erved. Printed in U.S.A.[...]

iii The following conventions are used in this manual. Important Sa fety Instructions When usin g your telephon e equipment, plea se follow these bas ic safety p recau tions to red uce the risk of fire, electrical shock, o r personal injury: 1. Do not use this product nea r wate r , such as nea r a bathtu b, was h bo wl, kitchen sink, laundry tub, [...]

iv Affida vit Requirements f or Connection to Digital Services • An af fidavit is requir ed to be given to the telephone company whenever digital terminal equipmen t without encoded analog content and bill ing protection is used to transmit digit al sign als contai ning en coded analog conten t which a re intended for eventual conversion into voi[...]

v Affidavi t f or Connection of Customer Premises Equipment to 1.544 MBPS and/ or Subrate Digital Services For the w ork to be perf ormed in the cert ified terr itory of _________ _____ (telco name) Stat e of __ _________ ________ _________ ____ County of ________ ______ ___ ______ __ _____ I, ______ _________ ________ (name ), _______ _________ __[...]

vi ( ) D. In lieu of the proceeding training r equirements, the operator(s)/maintainer(s ) is (ar e) under t he contr ol of a supervisor trained in accor dance with _____ _________ _ (cir cle one) above. I agr ee to provi de _______ _________ ____ (te lco’s name) w ith pr oper document ation to demonstrate complia nce with the information in the [...]

vii FCC r egulations r equir e that the following in formation be p r ovided in thi s manual: 1. This equipment complies w ith Part 68 of the FCC rules. On the bottom of the equipment housing is a label that shows the FCC registration number and Ringer Equivalence Number (R EN) for t his equipment , if applicable. If requir ed, this information m u[...]

viii Federal Communications Commission Radio Frequency Interference Statement This equipment has been tested and found to comply with the limits for a Class A dig- ital device, pursuant to Part 15 of the FC C Rules. These limits are designed to provide reas onable protection against harmful interfer ence when the equipment is operated in a commer c[...]

ix Canadian Equipment Limitations Notice: The Canadian Indus try and Science Canada label identifies certified equip- ment. This certif ication mean s that the equipment meets certain tele communic ations network protective, operational, and safety requir ements. The Department does not guarantee the equipme nt will operate to the use r’s satisfa[...]

x Limited Pr oduct W arranty ADTRAN warrants th at for five (5) years f rom the date o f shipment to Customer , all products manufactur ed by ADTRAN will be fr ee fr om defects in materia ls and work- manship . ADTRAN also warrants tha t products will co nform to the applicabl e speci- ficat ions and drawin gs for suc h products , as contai ned in [...]

xi Customer Service, Produ ct Support Information, and T ra inin g ADTRAN will replace o r repair this product within five years from the date of ship- ment if the product do es not meet its publis hed specification, or if it fai ls while in ser- vice. A return material au thorization (RMA) is required prior to ret urning equipment to ADTRAN. For s[...]

xii Identify the RMA number clearly on the package (below address), and return to the fol- lowing a ddress: ADTRAN Custom er and Product S ervice 901 Explo rer Blvd. Hunt sv i lle, Al abama 35806 RMA # ________ _____ Trai ni ng The Ente rp ris e N etw or k (EN) Te chni c al Tra ini ng Dep art me nt of fers training on our most popular pro ducts. Th[...]

61200062L1-1 DSU 56/64 User Manual xiii T ab le of Contents List of Figures ............. ........... ................. ................. ................. ................. ................. .. ....... xv List of Tabl es ............... ........... ................. ................. ................. ................. ................. . ...... x[...]

Table of Contents xiv DSU 56/64 User Manual 61200062L1-1 Carrier Detect (CD) - SE 4 ............... ................. ................. ................. .................. 2-3 Down - Normal .............. ..... ...... ..... ................. ............ ..... ...... ...... ................. . 2-3 Up - On ...................... ................. .[...]

61200062L1-1 DSU 56/64 User Manual xv List of Figures Figure 1- 1. DSU 56/64 Unit .................. ................. ........... ................. ................. .............. 1-2 Figure 1- 2. DSU 56/64 Rear Panel ............ ................. ................. ................. .................... 1-4 Figure 3- 1. DTE Only T est Diagr am .[...]

List of Figures xvi DSU 56/64 User Manual 61200062L1-1[...]

61200062L1-1 DSU 56/64 User Manual xvii List of T ab les Table 2-1. Default Option Switch Settings ......... ................. ................. ................. ........ 2-5 Table A-1. Pinouts for RJ-4 8S Network Connections .............. ................. ................. .. A-1 Table A-2. V.35 DTE Pinouts .......... ................. ........[...]

List of Tables xviii DSU 56/64 User Manual 61200062L1-1[...]

61200062L1-1 DSU 56/64 User Manual 1-1 Chapter 1 Introduction PR ODU CT OVERVIE W The ADTRAN D SU 56/64, sh own in Figur e 1-1 on page 1- 2 , is a technologicall y advanced, h igh performance D ata Service/Ch annel Service Unit (DSU /CSU) that pr ovides the interface between telco provided Di gital Data Service (DDS) and th e customer ’s Data T e[...]

Chapter 1. Introduction 1-2 DSU 56/64 User Manual 61200062L1-1 FRONT P ANEL As s hown in Figure 1-1, t he front pa nel of th e DS U 56/64 co ntain s eleven light emitting di ode (LED) indicators that di splay DTE interface, networ k, and test sta tus. These indicators are de fined in the LED Identification sectio n, below . Figure 1-1. DSU 56/64 Un[...]

Chapter 1. Introduction 61200062L1-1 DSU 56/64 User Manual 1-3 T est Stat us/Er ro r (Y ellow/Red) T ests defined by the above indicators are explained in greater detail in Chapter 3, Te s t M o d e s on page 3 -1. T est Sw itches The front panel also contains two push-button s witches for selecting and controlling the vario us test mode s for the [...]

Chapter 1. Introduction 1-4 DSU 56/64 User Manual 61200062L1-1 REAR P ANEL The r ear panel of the DSU 56/6 4 is sh own in Figur e 1-2. P RIMARY V.35 , a thirty-four pin connector , provides the synchronous DT E int e rfa ce . The eight-pi n modular jack (RJ-48S) labeled T ELCO connects the DSU 56/ 64 to t he DDS n etwork. For pinouts to these conne[...]

61200062L1-1 DSU 56/64 User Manual 2-1 Chapter 2 Installation UNPAC K, INSPECT, P OWER UP Car efu l ly in s pect the DSU 56/64 fo r any shippi ng dam ages. If damage is suspecte d, fi le a claim immediately with the ca rrier and then conta ct ADTRAN Custo mer and Pr oduct Servic e (CAPS). If possible, keep the o r iginal shipping contai ner for use[...]

Chapter 2. Installation 2-2 DSU 56/64 User Manual 61200062L1-1 Po w e r U p The DSU 56/64 is equipped with a captive six-foot power cord that is terminated with a three-prong plug for connecting to a grounded power receptacle. CONFIGURATION The DSU 56/64 has eight options for contr olling the o peration of both the network and DTE interfaces. These[...]

Chapter 2. I nstallation 61200062L1-1 DSU 56/64 User Manual 2-3 Antistream - S W 3 The Antistream option is used to select the antis tr eam time ou t. The antistream time out is the maximum time the D SU 56/64 is allo wed to transmit data from the DT E into the netw ork. This feature prevents one DTE device on a multi-drop network from continuou sl[...]

Chapter 2. Installation 2-4 DSU 56/64 User Manual 61200062L1-1 Remote Digital Loopbac k (RDL) - SW 6 Down - Enable The DSU 56/6 4 accepts the industry standa rd V .54 R DL command fro m the far end of the cir cu it. Up - Disable The DSU 56 /64 does not r espond to the V .54 loopback comm and fro m the far end of the cir cu it. Loop Rate - SW 7 Down[...]

Chapter 2. I nstallation 61200062L1-1 DSU 56/64 User Manual 2-5 NET W ORK CONNEC TIO NS This interface cons ists of four leads tha t are paired to provide separate transmit and rec eive circuits. The four leads a re pr ovided on the eight-positi on modul ar jack DSU RJ-48S labeled T ELCO on the rear panel of the DSU 56/64. The pinouts for this conn[...]

Chapter 2. Installation 2-6 DSU 56/64 User Manual 61200062L1-1[...]

61200062L1-1 DSU 56/64 User Manual 3-1 Chapter 3 T est Modes In addition to a self-test mode, the DSU 56/ 64 has other extensive test modes which are designed to help is olate problems to specifi c components of the communications circuit. These various t est modes for the D SU 56/64 are initiated and terminated fro m the front panel using t he S E[...]

Chapter 3. Test Modes 3-2 DSU 56/64 User Manual 61200062L1-1 If an E PROM C HECKSUM failure is detected during self test, CS , ALM , PTRN , and E RROR indica tors al l flash a t the end of the self test. NEAR END T ESTS The local DSU 56/64 can perform the following near end test s: •D T E O n l y • DTE with T est Pattern • DTE and LOOP ( LL) [...]

Chapter 3. Te st Modes 61200062L1-1 DSU 56/64 User Manual 3-3 T o initiat e t he DTE O NL Y tes t, perform the follow ing steps: 1. Press S ELECT on ce to turn on the DTE test in dicator . 2. Press T EST w hile the test indicator is o n. 3. T o terminate the test, press T EST . T est data from th e terminal or tes t equipmen t is routed through the[...]

Chapter 3. Test Modes 3-4 DSU 56/64 User Manual 61200062L1-1 Figure 3-2. DTE with T P Test Diagram The in terna l test pa ttern gener ator an d detec tor of the DSU 56/64 operate with a 2047 data pattern. When this test is initiated, the test pattern detector examines the rece ive data stream until synchronization to the 2047 p attern occurs. Once [...]

Chapter 3. Te st Modes 61200062L1-1 DSU 56/64 User Manual 3-5 56/64 from the remote site over the actual commu nications circuit. T esting from t he remote end of th e circuit is performed with test data generated by the remote DSU or terminal type test equipm ent. The DTE AND L OOP test splits the DSU 56/6 4 into separate DTE and Loop interface se[...]

Chapter 3. Test Modes 3-6 DSU 56/64 User Manual 61200062L1-1 LOOP ON LY T EST (RT) The L OOP O NLY test or R EMO TE L OOPBACK test (RT) is used to t est the loop interface and a major portion of the DTE interface of the local DSU 56/64 from the remote site over the actua l digital data circuit. For the L OOP O NLY test, the network receive data is [...]

Chapter 3. Te st Modes 61200062L1-1 DSU 56/64 User Manual 3-7 F AR END T ESTS Remote Digital Wh en th e RDL test is i nitiated at th e local DSU 56/ 64, it comman ds the remote DSU into loopback with the industry standard V .54 loopback pattern. The lo opback point and the sign al paths for the remote D SU are the s ame as the L OOP O NL Y test for[...]

Chapter 3. Test Modes 3-8 DSU 56/64 User Manual 61200062L1-1 T est P attern (PTRN) When the PTRN test is initi ated, the local DSU 56/64 uses the integral test pattern gen erator to transmit a standard 2047 test pattern to the DSU o n the far end of the cir cuit. The local DSU 56/ 64 th en exam in es the receiv e d d ata fo r t h e stand ard 2047 p[...]

Chapter 3. Te st Modes 61200062L1-1 DSU 56/64 User Manual 3-9 REMOTE T ESTS The DSU 56/64 responds to three remotely activated tests. • Remot e Digital Loopback ( RDL) •C S U L o o p b a c k ( L L ) • DSU Loopback (R T) The RDL test is initiated by a remote DSU and causes the local DSU 56/64 to loopba ck. The loopback point is the sa me as th[...]

Chapter 3. Test Modes 3-10 DSU 56/64 User Manual 61200062L1-1[...]

61200062L1-1 DSU 56/64 User Manual A-1 Append ix A Pinouts T able A-1. Pinouts for RJ-48S Network Connections Pin Number Function Signal Direction 1 Transmit Data (R) From Custome r to Network Interface 2 Transmit Data (T) From C ustomer to Network I nterface 3-6 Not Used N/A 7 Receive Data (T-1) From N etwork Interface t o Custom er 8 Receive Data[...]

Appendix A. Pinouts A-2 DSU 56/64 User Manual 61200062L1-1 T able A-2. V .35 DTE Pinouts Pin CC ITT Descri ption A 101 Protect ive Ground B 102 Signal G round (SG ) C 105 Request to Send (RS) D 106 Clea r to Send E 107 Data Set Ready (SR) F 109 Receive Lin e Signal Dete ct or (C D) R 104 Received Data (RD-A) T 104 Received Data (RD-B) V 115 Receive[...]

61200062L1-1 DSU 56/64 User Manual B-1 Append ix B Specifications SPECIFICATIONS AND FEATURES The DSU 56 /64 is a singl e stand-al one unit d esigned to be used either on a desktop or mounted o n a wall. This section describes the standard specification s and features incorporat ed in the D SU 56/64. Loop Interfac e • 4-wire, full duplex Line Req[...]

Appendix B. Specif ications B-2 DSU 56/64 User Manual 61200062L1-1 Diagnostics Network test cente r activa ted: • CSU loopback on sea ling current r eversal in local loop • DSU loopback User act ivate d: • S e l f t e s t , • Local lo opback, • V .54 activated remote loopba ck with 2047 t est pattern • DTE d ata/data from exte rnal tes [...]

61202062L1-1 DSU 56/64 User Manual Inde x-1 Inde x A ACES help desk, xi affidav it connecti on for di gital se rvices, iv connec tion of CPE e qui p m ent, v antistrea m - SW-1, 2-3 Applic ation s engineer ing how to contac t, xi C cab les inclu ded wit h ship ment, 2-1 provided by customer, 2-1 Canadian emissions requiremen ts , viii Canadian equi[...]

Index Inde x-2 DSU 56/64 User Manual 61202062L1-1 remote test s 3-9 repair an d retur n informatio n, xi RJ-48S net work connections, pinouts, A- 1 RMA requ ests xi S safety in st ructio ns, iii scramble r - SW-8, 2-4 self-tes t mode 3-1 service type info rmatio n vi i shipping damage what to do 2-1 shipping package conten ts of, 2-1 speci ficat io[...]