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Table 1. 7835C Initial Power-Up Bar Graph and Radio Status LED Sequence
Active Function
Bar Graph Display
Radio Status Display
1) LED 5 blinking: 7835C performing
radio setup and self-test.
Time to complete: less than 1 minute.
NOTE: If the 7835C fails the self-test, the
initial powerup will not progress beyond
this point.
Green on: un-registered
Yellow blinking: waiting
Red on: no MicroBurst coverage
2) LED 4 blinking: 7835C searching for
MicroBurst coverage from the B-side
carrier.
Time to complete: 1 – 5 minutes
5 on: radio set-up ok.
Green on: un-registered radio
Green blinking: service request message successful, B-side
Green off: previously registered radio
Yellow on: request for service message pending, B-side
Yellow blinking: B-side (once per second)
Red on: MicroBurst coverage not yet found, B-side
Red blinking: service request message un-successful, B-side
Red off: MicroBurst coverage found, B-side
3) LED 3 blinking: 7835C searching for
MicroBurst coverage from the A-side
carrier.
Time to complete: 1 – 5 minutes
Green on: un-registered radio
Green blinking: service request successful, A-side
Green off: previously registered radio
Yellow on: request for service pending, A-side
Yellow blinking: A-side (twice per second)
Red on: MicroBurst coverage not yet found, A-side
Red blinking: service request message un-successful, A-side
Red off: MicroBurst coverage found, A-side
4) LED 2 on: 7835C initial powerup
complete.
Time to complete: 15 seconds
Green on: un-registered radio
Green off: previously registered radio
Yellow blinking: A-side or B-side blink indication
Red on: no MicroBurst coverage
Red off: MicroBurst coverage, carrier indicated by Yellow LED
LED Key:
off
blink
rapid
blink
on
1 2 3 4 5
Y G G G G
4 on: B-side MicroBurst OK
or
4 off: B-side MicroBurst fail.
3 on: A-side MicroBurst OK
or
3 off: A-side MicroBurst fail.
G
Y
R
G
Y
R
G
Y
R
G
Y
R
Summary of Contents for AlarmNet 7835C
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