Hardware manual
Electra Elite Issue 8
System Hardware Manual 5 - 23
4.1.5 LED Indications
4.1.6 Connectors
The BRT ETU has one connector:
CN1 Connects to the backboard
Table 5-7 BRT(4)-U( ) ETU LED Indications
LED Description On Flashing Off
LED1 ETU status Operation stopped
(Power On)
Normal Operation No Power
LED2 L1 status - BRI CKT1 L1 working Not Used L1 idle
LED3 L1 status - BRI CKT2 L1 working Not Used L1 idle
LED4 L1 status - BRI CKT3 L1 working Not Used L1 idle
LED5 L1 status - BRI CKT4 L1 working Not Used L1 idle
LED6 B1 or B2 status
Channel 1
Busy Not Used Idle
LED7 B1 or B2 status
Channel 1
Busy Not Used Idle
LED8 B1 or B2 status
Channel 1
Busy Not Used Idle
LED9 B1 or B2 status
Channel 1
Busy Not Used Idle
LED10 Communication
or self-diagnostics
Communication error
or
Self-diagnostics in
progress
Not Used Normal
LED11 Communication
or self-diagnostics
Communication error
or
Self-diagnostics in
progress
Not Used Normal