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Electra Elite
System Hardware Manual
6.5.2
Installation
Only one PBR( )-U( ) ETU can be installed in slots S2~S7
to provide four PBR circuits. Four circuits are built-in for a
total of eight PBR circuits.
6.5.3
LED Indications
Live LED indications are listed below.
Blinking Red
Steady Red
Off
LED 1 indications are listed below.
On
Off
6.5.4
Connectors
The PBR( )-U( ) ETU has one connector:
CN1
Normal Operation
Operation Stopped (power on)
No Power
Some
circuit(s)
receiving
signaling
All PBR(s) idle
Connects to the backboard
Issue 6
DTMF
5 - 115
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