Viewing t1/e1 configuration and alarm information – Alcatel Carrier Internetworking Solutions Omni Switch/Router User Manual

Page 999

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Viewing T1/E1 Configuration and Alarm Information

Page 33-11

Viewing T1/E1 Configuration and Alarm Information

You can view all current parameters and alarms for a

T1 or E1

port using the

tes

command.

These parameters will be either the default parameters or parameters you modified through
the

temod

command or network management software.

You have a choice of viewing parameters at the chassis or port level. You receive different
displays depending upon which level you choose. The sections below describe all ways to
use the

tes

command.

Viewing Information for all T1/E1 Ports in the Switch

To view port parameters for all

T1/E1

ports in a chassis, enter the following command

tes

A screen similar to following displays:

T1/E1 Chassis Status

Slot/Port

Type

Active Alarms

========= ====== ======================================================

4/2

E1

NoAlarm

4/3

E1

NoAlarm

5/2

T1

NoAlarm, Loopback

5/3

T1

NoAlarm, Loopback

Slot/Port.

The

T1

or

E1

slot and port for which information is supplied. The slot is listed first,

followed by a slash (

/

), followed by the port number.

Type.

The port type. The port will either be a

T1

or

E1

port.

Active Alarms

. Alarms that have occurred on this port. Possible alarms for each port are:

NoAlarm

The port is free of any alarms.

RcvYellow

This port is receiving a yellow alarm from the far-end port. A yellow alarm
occurs in SuperFrames when bit 6 of all channels has been zero for at least
425 milliseconds. The yellow alarm will not occur if a Loss of Signal alarm
has already occurred. In Extended SuperFrames, an alarm occurs if the
yellow alarm pattern is found.

XmtYellow

The port is transmitting a yellow alarm to the far-end port. See the above
definition of

RcvYellow

for a description of a yellow alarm.

RcvAIS

This port is receiving Alarm Indication Signal (

AIS

) from the far-end port.

An

AIS

occurs when an unframed signal with a high density of 1s (99.9%

density) is received for more than 1.5 seconds.

XmtAIS

This port is transmitting Alarm Indication Signal (

AIS

) to the far-end port.

An

AIS

occurs when an unframed signal with a high density of 1s (99.9%

density) is received for more than 1.5 seconds.

RedAlarm

The port is in red alarm state. A red alarm occurs when a T1 port has been
in Out-of-Frame (

OOF

) condition for 2.55 seconds. The red alarm condi-

tion will be removed if the

OOF

condition has been absent for at least 16.6

seconds.

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