Руководство по эксплуатации ADTRAN TRDDS-R

Краткое содержание страницы № 1

Custom
Telecom
E190349
Section 61291021L5-5A
Issue 1, April 1999
CLEI Code # D4OIKTU8 _ _
TRDDS-R
®
Total Reach All Rate DDS Termination Unit
For Outside Plant and Customer Premise
Installation and Maintenance
CONTENTS
1. GENERAL ........................................................................... 1
2. OPTIONS ............................................................................ 2
3. INSTALLATION ................................................................ 2
4. TESTING .......

Краткое содержание страницы № 2

1 O N 3. INSTALLATION Channel Bank Customer Premises or Outside Plant 4-Wire Customer Interface C A U T I O N ! 2-Wire Loop TR T-Carrier TRDDS-R SUBJECT TO ELECTROSTATIC DAMAGE OCU DSU/CSU OR DECREASE IN RELIABILITY. DP T/R Pair Up to HANDLING PRECAUTIONS REQUIRED. 18 kft or -45 dB After unpacking the unit, immediately inspect it for possible shipping damage. If damage is discovered, file a claim immediately with the carrier, and then Figure 2. Total Reach DDS Circuit Diagram contact ADTRAN C

Краткое содержание страницы № 3

The unit should be wired as follows: Electrical Code Compliance Table 2 shows the UL/CUL Telecommunications Codes ¥ Network pair to terminal strip TT and TR positions for the TRDDS-R. The TRDDS-R complies with the ¥ To Customer and From Customer pairs through requirements covered under UL 1459 third edition and is customer 8-pin modular connector intended to be installed in an enclosure with an or Installation Code (IC) of ÒBÓ or ÒEÓ. The TRDDS-R is intended for installation in restricted

Краткое содержание страницы № 4

Table 3. Faceplate Indicators LED SIGNAL LOSS (dB) Is ndicatorSn tatuExplanatio 0-10 SC 64 10-20 ONUnitispoweredup 56 20-30 19.2 30-40 GreenSynchronizedwith TROCUDP 9.6 40-50 SYNC 4.8 50-56 RedNotsynchronizedwith 2.4 >56 TROCUDP;checkfor continuity,loadcoils,and Signal level indicated during otherabnormalline synchronization conditions Errorsoccuredonthe Figure 5. Signal Loss Indication incomingdatastream duringtheprevious NNEARCRCO second;checkfor Table 4. TRDDS-R and Total Reach Dat

Краткое содержание страницы № 5

Table 5. Latching Loopback Sequences Initiating OCU Latching Loopback to Loop the TRDDS-R (US West Only) Numberof ¥ SW1-6 on the TRDDS-DP must be ON to enable Fe unctionByteCodReceived latching loopback response. Bytes ¥ From a test system or set, send an OCU latching ClearexistingTransitioninMinimumof loopback sequence. loopbacksprogress(TIP)35TIPbytes ¥ Send a selected test pattern and test for error-free *0111010 operation. ¥ Upon completion of this test, advance to IdentifydeviceLoopbacksel

Краткое содержание страницы № 6

Total Reach Table 7. Total Reach Dataport Loopbacks Dataport TRDDS-R Total Reach DDS Total Reach DDS X Dataports Dataport Loopbacks DSU/CSU X Open Loop 1291006L1, L2, L3, L4, 1410105L2, 1425105L2, OCU Bidirectional loopback 1430105L2, 1433105L1 1433105L3, 1433105L4 Figure 7. Total Reach Dataport Bidirectional Loopback Normal Mode 1291006L5 (US West) DS0 5. DEPLOYMENT GUIDELINES 1433105L2 (US West) The TROCU DP and TRDDS-R use technology intended to eliminate the need for repeaters and concer

Краткое содержание страницы № 7

Table 8. Cable Type and Temperature Loss Data @ 13.3 kHz Pt LASTIC CABLEdEBLOSS/kfPt APERCABLdBLOSS/kf 19GaugePIC(0F)0.530219GaugePULP(0F)0.5616 19GaugePIC(70F)0.608319GaugePULP(70F)0.6415 19GaugePIC(120F)0.661019GaugePULP(120F)0.6955 22GaugePIC(0F)0.91222GaugePULP(0F)0.9454 22GaugePIC(70F)1.025822GaugePULP(70F)1.0606 22GaugePIC(120F)1.101522GaugePULP(120F)1.1370 24GaugePIC(0F)1.257124GaugePULP(0F)1.2900 24GaugePIC(70F)1.398224GaugePULP(70F)1.4324 24GaugePIC(120F)1.491724GaugePULP(120F)1.5268 2