Crisis EVC Network Expander Installation Guide
Page 18
www.eurofyre.co.uk
6.2 Power Supply & CPU indicator Summary
AC
DC
PSU
CPU
Description
ON
Mains OK
OFF
ON
Mains failure
ON
ON
Battery OK
ON
OFF
FLASH
Battery open circuit
ON
OFF
ON
Battery short circuit
ON
FLASH
ON
Battery high impedance
ON
ON
ON
PSU processor fail
ON
ON
Display or Exchange Processor Fault or Display-Exchange comms fault
Table 3: Power Supply & CPU Indicator Summary
ON = LED illuminated
OFF = LED off
FLASHING = LED Flashing
The general fault LED flashes on all fault conditions until accepted at the master station, when accepted the LED goes solid.
6.3 Zone Indicator Summary
Zone Indicator Status
Description
Slow Flashing Red
Outgoing call
Fast Flashing Red
Incoming call from type A outstation
Normal Flashing Red
Incoming call from type B outstation
Normal Flashing Green
Call connected to local master handset
Normal Flashing Green/Red
Call on hold
Solid Yellow
Line Short circuited
Slow Flashing Yellow
Line card missing
Normal Flashing Yellow
Line Open circuit or EOL missing
Fast Flashing Yellow
Line Earth fault
Normal Flashing Blue
Incoming Assist Call alarm
Solid Blue
Assist call acknowledged
Table 38: Zone Indicator Summary
The general fault LED flashes on all fault conditions until accepted at the master station, when accepted the LED goes solid.