Indicators On The Pri Network Interface Module; Table 2-17. Pri Network Side Indicator Lamps - Polycom SoundStation2 EX, FX, VS4000 Integrator's Reference Manual

Indicators on the PRI Network Interface Module

© Polycom, Inc.
Table 2-16. PRI T1 and E1 Network Interface Modules (Continued)
Parameter
Non-Facility
Associated Signaling
(NFAS)
Special services
(Caller ID, call
blocking, etc.)
The tables below describe the expected behavior of the indicator
lamps on the PRI network interface module. On the network side,
the expected behavior depends on whether it is a T1 module or an
E1 module.

Table 2-17. PRI Network Side Indicator Lamps

Indication
Red LED blinking
Red LED on
Yellow LED blinking
Yellow LED on
Red and yellow
LEDs on
Green LED on
Chapter 2 - Technical Information
PRI T1
Not supported
Not supported
PRI T1
Not connected to the network, or no power to the
upstream equipment
Connected to the network, but no clock sync
Receiving clock and
frame sync, waiting for
a timer to elapse
Synchronized with the network and ready to use
PRI E1
PRI E1
Receiving clock and
frame sync; receiving
RAI from the network
with CRC errors
Receiving clock and
frame sync; receiving
Remote Alarm
Indication (RAI) from
the network with no
Cyclic Redundancy
Check (CRC) errors
Receiving clock sync;
receiving AIS Alarm
Indication Signal
(unframed all-ones)
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