Polycom VS4000 Administrator's Manual page 132

Administrator's Guide for ViewStation EX, ViewStation FX, and VS4000
7-10
When the PRI network interface
module's network side displays...
Amber LED on
Amber LED and green LED on
Red LED on momentarily.
T1 only: Yellow LED on momentarily.
Green LED on
Red LED blinking
Red LED on
Yellow LED blinking
Yellow LED on
Red and yellow LEDs on
Green LED on
The V.35/RS-449/RS-530 network interface module includes a yellow light and a
green light on the peripheral side.
When the serial
V.35/RS-449/RS-530 network
interface module displays...
Lights are off
Yellow light is on
Yellow and green lights are on
It means...
Software update starting: Data is being
transferred to the PRI network module
(approximately 90 seconds)
Software update in progress: The module is being
updated (a few seconds)
Software update finishing
Software update finishing
Software update complete, system synchronized
with network and fully operational
No power on the line: network cable is
unconnected, or upstream switch or PBX port is
deactivated
Network cable is connected and power on the
line, but no clock sync
E1: Receiving Remote Alarm Indication (RAI)
from network with Cyclic Redundancy Check
(CRC) errors
T1: Waiting for a timer to elapse
E1: Receiving RAI from network with no CRC
errors
Receiving clock sync, and receiving AIS Alarm
Indication Signal (unframed all-ones)
System fully synchronized with the network and
ready to use
It means...
• No power to the system, or
• The system is not communicating with the
network, or
• The system is restarting.
The system is receiving a clock signal from the
network (able to make a call).
The system is in a call.
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