Chapter G: ShoreGear Switches ShoreGear T1k Voice Switch
ShoreTel 8 Planning and Installation Guide 333
When flashing fast, at least one port is handling an active call and at least one
port is out of service.
Off: No ports are assigned.
G.9.2.4 Monitor and Telco LEDs
The Monitor and Telco LEDs indicate line coding, network framing, and loopback status.
These LEDs are color coded—green, yellow, and red. The Monitor and Telco LED
descriptions follow.
Telco and Monitor LED alarms and errors are logged as switch events in ShoreWare
Director’s event log.
Line Coding: This LED indicates line coding status, as follows:
When green, the line coding signal is good.
When yellow, bipolar violations (BPV) are being received at one second
intervals.
When red, a loss of signal (LOS) has occurred.
When flashing red, loopback is active (local or CO).
When off, the switch has no power.
Framing: This LED indicates network framing status, as follows:
When green, the T1/E1 signal is in frame; the signal is synchronized.
When yellow, a yellow alarm has been received from the Central Office.
When flashing yellow, the frame-bit error rate has exceeded its limits. A small
number of frame-bit errors (>1 per million) have occurred; this state will take
up to 10 minutes to clear.
When flashing fast yellow, a series of frame-bit errors (>1 per 1000) have
occurred.
When red, the T1/E1 signal is out-of-frame (OOF). The received signal cannot
be framed to the Extended Superframe (ESF) or D4 format.
When flashing red, loopback is active (local or CO).
When off, the switch has no power.
G.9.3 ShoreGear T1k Connectors
The ShoreGear T1k voice switch contains the following components:
1 3.5 mm mono connector for audio input (music on hold)
1 3.5 mm mono connector for audio output (overhead paging and night bell)
1 DB-9 female connector for maintenance
2 RJ-45 connectors for the LAN interface
1 RJ-45 T1 telco port
1 RJ-45 T1 monitor port for connecting test equipment
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