Table of Contents
61202.086L1-1 ISU 512 User Manual
iii
TXINIT.......................................................................................................................... 46
TXFA.............................................................................................................................. 47
TXADD01...................................................................................................................... 47
TXDEQ.......................................................................................................................... 47
TANULL....................................................................................................................... 47
TCID.............................................................................................................................. 48
Call Stagger................................................................................................................... 48
Transparent 2x Clear Channel Protocol.......................................................................... 49
Quick Setup Configuration............................................................................................... 50
Dial 512K....................................................................................................................... 50
Dial 384K....................................................................................................................... 51
Dial 448K....................................................................................................................... 51
Dial 336K....................................................................................................................... 51
Video 384K.................................................................................................................... 52
Video 336K.................................................................................................................... 52
Leased Master.............................................................................................................. 52
Leased Slave and Ldm SlvMstr................................................................................. 53
Dialing Options.................................................................................................................. 54
Hang Up Line............................................................................................................... 54
Dial Number................................................................................................................. 54
Redial Last Number.................................................................................................... 54
Answer Call.................................................................................................................. 54
Dial Stored Number.................................................................................................... 54
Store/Review Number............................................................................................... 55
Configuring the ISU 512 for V.25 bis In-band Dialing.................................................. 56
Chapter 6. Testing............................................................................................................ 57
Test Options........................................................................................................................ 57
Loopback DTE.............................................................................................................. 57
Loopback Protocol....................................................................................................... 57
2047 Checker................................................................................................................ 58
Near-End Block Errors/Far-End Block Errors (NEBE/FEBE).............................. 59
Software Version.......................................................................................................... 59
Chapter 7. Troubleshooting........................................................................................... 61
If Self Test Fails................................................................................................................... 61
If an ISDN Network Line Reads Down.......................................................................... 61
If the Display Reads TEI1.................................................................................................. 63
If the Display Reads TEI2.................................................................................................. 64
If the Display Reads SPID{1,3,5, or 7}.............................................................................. 65
If the Display Reads SPID{2,4,6, or 8}.............................................................................. 65
Chapter 8. Specifications Summary.............................................................................. 67
Specifications and Features............................................................................................... 67
Network Interface......................................................................................... 67
DTE Interface................................................................................................. 67
Dialing Selections.......................................................................................... 67
Data Rates....................................................................................................... 67