Polycom ViewStation EX4000 - Manual (Page 120)

Integrators’ Reference Manual for ViewStation EX, ViewStation FX, and VS4000
110 www.polycom.com
Indicator Lamps on the PRI Network Interface Module
The PRI network interface module uses lamps on both the network
side and the peripheral side to provide status indications.
Note
The PRI network interface module is not available with the
ViewStation EX.
Table 6-1. PRI indicator lamps - Network side
Lamp behavior Meaning
Amber LED on Software update starting: Data is being
transferred to the PRI network module
(approximately 90 seconds)
Amber LED and
green LED on Software update in progress: The module is being
updated (a few seconds)
Red LED on
momentarily. Software update finishing
T1 only: Yellow LED
on momentarily. Software update finishing
Green LED on Software update complete, system synchronized
with network and fully operational
Red LED blinking No power on the line: network cable is
unconnected, or upstream switch or PBX port is
deactivated
Red LED on Network cable is connected and power on the
line, but no clock syn
Yellow LED blinking E1: Receiving Remote Alarm Indication (RAI)
from network with Cyclic Redundancy Check
(CRC) errors
Yellow LED on T1: Waiting for a timer to elapse
E1: Receiving RAI from network with no CRC
errors