Hardware Installation Manual
16
Document #: LTRT-85609
Mediant 600
3.1.4
TRUNKS (E1/T1) Module
The device supports one or two digital PRI (E1/T1/J1) trunk spans, including fractional
E1/T1.
3.1.4.1 Port Description
The module is available in 1 or 2 span configurations, providing RJ-48c ports. The ports are
labeled
I
and
II
.
Figure
3-5: TRUNKS Module
3.1.4.2 LED Description
Each trunk port provides a LED for indicating operating status, as described in the table
below:
Table
3-5: E1/T1 PRI TRUNKS Module LED Description
Color
State
Description
Green
On
Trunk is synchronized (normal operation).
Red
On
Loss due to any of the following signals:
LOS - Loss of Signal
LOF - Loss of Frame
AIS - Alarm Indication Signal (the Blue Alarm)
RAI - Remote Alarm Indication (the Yellow Alarm)
-
Off
Failure / disruption in the AC power supply or the power is
currently not being supplied to the device through the AC
power supply entry.
