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Example # Display line state of T1 line 1 on CT3 interface T3 2/0.
<Sysname> system-view
[Sysname] interface t3 2/0
[Sysname-T3 2/0] t1 1 show
T3 2/0 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
t1 shutdown
Syntax t1 line-number shutdown
Table 22 Description on the fields of the t1 show command
Field Description
T3 2/0 CT1 1 is up The state of T1 line 1 on the CT3 interface: up or down
Frame-format ESF Framing format of T1: ESF or SF
clock slave Clock source used by the T1 line: slave for the line clock or
master for the internal clock
loopback not set Loopback state or mode: local, remote, payload, or not set.
FDL Performance Report is
disabled
Transmission of PPR in the FDL is disabled. You may enable
that with the t1 set fdl ansi command.
Transmitter is sending RAI The transmitter of the T1 line is sending RAI signals. When
the T1 line receives LOS, LOF, or AIS signals, it sends RAI
signals.
Receiver alarm state The type of alarm signal that the T1 line can receive: LOS,
LOF, AIS, or RAI.
Line loop back activate code
using inband signal last sent
The loopback code sent last time is in-band LLB activation
request code.
BERT state BERT test state: running, complete, or stopped (not
completed)
Test pattern
Status
Sync Detected
Test pattern in use, 2^11 in this example; synchronization
state, and the number of detected synchronizations
Time
Time past
The duration of the BERT test and the time that has elapsed
Bit errors (since test started) Number of bit errors received since the start of the BERT
test
Bits received (since test started) Number of bits received since the start of the BERT test
Bit errors (since latest sync) Number of bit errors received since the last synchronization
Bits received (since latest sync) Number of bits received since the last synchronization