Hardware Installation Manual
3. Physical Description
MSBR Series
21
Mediant 1000B MSBR
3.2.4
TRUNKS (E1/T1) Module
The device supports up to four digital E1/T1/J1 trunks. If the power fails, a relay connects
Trunk 1 to Trunk 2 (in the same module) acting as a fallback for PSTN trunk.
3.2.4.1 Port Description
The module is available in 1-, 2-, or 4-span configurations, providing RJ-48c ports. The
ports are labeled
I
,
II
,
III
, and
IIII
.
Figure
3-5: TRUNKS Module
3.2.4.2 LED Description
Each Trunk port provides a LED for indicating operating status, as described in the table
below:
Table
3-6: 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.
Содержание Mediant 1000B
Страница 1: ...Hardware Installation Manual Mediant 1000B MSBR Multi Service Business Router SIP Protocol ...
Страница 2: ......
Страница 12: ...Hardware Installation Manual 12 Document LTRT 40881 Mediant 1000B MSBR Reader s Notes ...
Страница 14: ...Hardware Installation Manual 14 Document LTRT 40881 Mediant 1000B MSBR Reader s Notes ...
Страница 34: ...Hardware Installation Manual 34 Document LTRT 40881 Mediant 1000B MSBR Reader s Notes ...
Страница 70: ...Hardware Installation Manual www audiocodes com ...