Black Box COMPACT T1 MT850A - Manual (Page 544)

B-16 Compact T1 - Release 6.1
Diagnostices & Troubleshooting
Loopbacks Overview
V.35 Equipment Loop
Note: V.35 LED flashes yellow during equipment loop.
Loops at local V.35 port. Check for sync and errors at remote data port, with or
without BERT.
Enable Equipment Loopback
Where a V.35 card is in slot 6.
> set 6:1 equipment loopup
OK
View Status of Loopback
> show 6:1
SLOT 6:
Settings for V35 Port 1:
CTS: Always High
Timing: Source
Rx Clock Inversion: Normal
Tx Clock Inversion: Normal
Data Inversion: Normal
Data Speed: 64K
Data Rate: 1536 K
Loopback: Equipment
T1
Adit 600
Local
DCE
V.35
Loops at local V.35
port (location)
Local
DTE
FXS
Telephone
DS1
Network
Compact T1