Command Reference Guide

3Com Router 5000 Family and Router 6000 Family t1 show ● 325
Command Reference
t1 show
Purpose Use the t1 show command to view the line state of the specified T1 line on the CT3
interface.
Syntax t1 line-number show
Parameters line-number
T1 line number. Valid values are 1 to 28.
show
Displays the physical line state of the specified T1 line.
Example Display line state of T1 line 1 on CT3 interface 3/0/0.
[3Com -T3 3/0/0] t1 1 show
T3 1/0 CT1 1 is up
Frame-format ESF, clock slave, loopback not set
FDL Performance Report is disabled
Transmitter is sending none
Receiver alarm state is none
Line loop back deactivate code using inband signal last sent
BERT state:(stopped, not completed)
Test pattern: 2^11, Status: Not Sync, Sync Detected: 0
Time: 0 minute(s), Time past: 0 minute(s)
Bit errors (since test started): 0 bits
Bits received (since test started): 0 Kbits
Bit errors (since latest sync): 0 bits
Bits received (since latest sync): 0 Kbits
Table 1 Description on the fields of the t1 show command
Field Description
T3 3/0/0 CT1 1 is up
Frame-format ESF Frame format of T1: ESF or SF
clock slave Clock used by the T1 line: slave or master
loopback not set Loopback state or mode: local, remote, payload, or not set.
FDL Performance Report is disabled
Transmitter is sending RAI
Receiver alarm state
Line loop back activate code using
inband signal last sent
BERT state BERT test state: running, complete, or stopped (not
completed)
Test pattern: 2^11, Status: Not Sync,
Sync Detected: 0
Test pattern in use, 2^11 in this example; synchronization
state, and the number of detected synchronizations
Time: 0 minute(s), Time past: 0
minute(s)
The duration of the BERT test and the time that has elapsed
Bit errors (since test started): 0 bits Number of bit errors received since the start of the BERT
test
Bits received (since test started): 0
Kbits
Number of bits received since the start of the BERT test
Bit errors (since latest sync): 0 bits Number of bit errors received since the last synchronization