Check the status of the E1 interface on the AR router

Check the status of the E1 interface on the AR router as follows:
Run the display controller [ e1 [ interface-number ] ] command to check the information about the CE1/PRI interface, or run the display fe1 serial interface-number
command to check the basic configuration and alarms of the E1-F interface.

display controller e1 1/0/0
E1 1/0/0 current state : UP //Indicates that the state of the interface is Up.
Description: HUAWEI, AR Series, E1 1/0/0 Interface
Basic Configuration: //The following parameters must be consistent with those of the peer end (except for the clock)
Work Mode is E1 Framed, Cable type is 120 Ohm balanced. //The work mode is E1, and the cable type is 120ohm twisted pair cable.
Frame-format is NO-CRC4, Line Code is Hdb3. //The frame format is NO-CRC4, and the line code is Hdb3.
Source Clock is Slave, Data-coding is Normal. //The clock status is slave, and the clock signal is not inverted.
Idle code is 7E, Itf type is 7E, Itf number is 4. //The idle code and the type of characters filled between frames are 7e, and the number of characters filled between frames is 4.
Loopback is Not Set.
Alarm State:
Receiver alarm state is Loss-of-Frame.
Transmitter is sending remote alarm.
Historical Statistics: //Perform error packet statistics. If the number of error packets increases, you can invert the clock.
Data in current interval (0 seconds elapsed):
0 Line Code Violations, 0 Path Code Violations
0 Slip Secs, 0 Fr Loss Secs, 0 Line Err Secs, 0 Degraded Mins
0 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 0 Unavail Secs
Total Data (last 24 hours):
0 Line Code Violations, 0 Path Code Violations
0 Slip Secs, 0 Fr Loss Secs, 0 Line Err Secs, 0 Degraded Mins
0 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 0 Unavail Secs

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