Command Reference Guide
3Com Router 5000 Family and Router 6000 Family display controller e1 ● 83
Command Reference
display controller e1
Purpose Use the display controller e1 command to display the information related to
a CE1/PRI interface.
Syntax display controller [ e1 number ]
Parameters number
Interface number.
Example Display the information related to the E1 interface.
[3Com ] display controller E1 1/0/0
E1 1/0/0 current state :DOWN
Description : E1 1/0/0 Interface
Basic Configuration:
Work mode is E1 framed, Cable type is 120 Ohm balanced.
Frame-format is no-crc4.
Line code is hdb3, Source clock is slave.
Idle code is 7e, Itf type is 7e, Itf number is 4.
Loop back is not set.
Alarm State:
Receiver alarm state is Loss-of-Signal.
Transmitter is sending remote alarm.
Historical Statistics:
Last clearing of counters: Never
Data in current interval (10 seconds elapsed):
10 Loss Frame Alignment Secs, 0 Framing Error Secs,
0 CRC Error Secs, 0 Alarm Indication Secs, 10 Loss-of-signals Secs,
0 Code Violations Secs, 1 Slip Secs, 0 E-Bit error Secs.
Table 1 Description on the fields of the display controller e1 command
Field Description
E1 1/0/0 current state
:DOWN
Current state of the E1 interface
Description : E1 1/0/0
Interface
Description about the E1 interface
Work mode Operating mode of the E1 interface: E1 or CE1
Cable type Cable type of the E1 interface
Frame-format Frame format configured on the E1 interface: CRC4 or no-CRC4
Line Code Line code: AMI or HDB3
Source Clock Source clock used by the interface: master or slave
Idle Code Idle code: 7e or ff
Itf type Type of interframe filling tag: 7e or ff
Itf number Number of interframe filling tags
Loopback Loopback setting on the interface
Alarm State Alarm state
Historical Statistics Historical statistics for the E1 interface