Viewing Information For An E1 Port - Alcatel Omni Switch/Router User Manual

Viewing T1/E1 Configuration and Alarm Information

Viewing Information For an E1 Port

To view E1 port parameters, enter the following command
where is the slot number where the board is located, and is the E1 port number
on the board for which you want to view information. For example, to view information for
Port 2 on the board in slot 4, enter
A screen similar to following displays for an port:
E1
These parameters are described in the section, Configuring an E1 Port on page
33-8. Please refer to that section for descriptions.
. The system time when the last change in Line Status (i.e., alarm) parame-
ter occurred.
. The type of loopback mode configured for this port through the
command. Loopback modes are described in Configuring an E1 Port on page 33-8.
. A list of any alarms that have occurred on his port. The possible items in the list
are the same as those for described in Viewing Information for all T1/E1 Ports in
the Switch on page 33-11.
. The total number of Loss of Signal ( ) events that have been detected
LOS
on this port. An event occurs after the port detects more than 10 consecutive zeros.
LOS
. The occurrence of either a bipolar violation or excessive zeros error.
A bipolar violation is the occurrence of a pulse of the same polarity as the previous pulse. In
coded signals, a bipolar violation is a pulse of the same polarity as the previous with-
HDB3
out being part of the zero substitution code. An excessive zeros error is the occurrence of
more than 15 contiguous zeros in an -coded signal; in an -coded signal, it is the
AMI HDB3
occurrence of seven (7) or more contiguous zeros.
Page 33-15