test t1 <slot/port>
2.
To begin a loopback test of the local line, enter:
loopback line
3. To begin a loopback test of the local payload, enter:
loopback payload
4. To begin a line loopback test with a remote device, enter:
loopback remote line loopback_type {ansi_fdl|
inband_standard|inband_alternate}
5. To begin a payload loopback test with a remote device, enter:
loopback remote payload loopback_type ansi_fdl
6. To configure a smartjack interface for remote payload loopback testing, enter:
loopback remote smartjack loopback_type smart_jack
Table 16: Variable definitions
Variable Value
{ansi_fdl | inband_standard |
inband_alternate}
The loop code for the remote line loopback
test. The default value is ansi_fdl (FDL loop
code as defined in ANSI T1.403).
Loopback testing for T3 interfaces
Use the commands in this section to run loopback tests on a T3 interface.
Procedure steps
1.
To access loopback testing commands, enter:
test t3 <slot/port>
2. To begin a loopback test of the local line, enter:
loopback line_t3
3. To begin a line loopback test with a remote device, enter:
loopback remote line_t3
Loopback testing for E1 interfaces
Use the commands in this section to run loopback tests on an E1 interface.
Troubleshooting a physical media problem
58 Troubleshooting August 2013
Comments? infodev@avaya.com
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