Hardware manual
Electra Elite Issue 8
System Hardware Manual 5 - 159
7.11.4 LED Indications
7.11.5 Connectors
The VRS(4)-U( ) ETU has one connector:
CN1 Connects to the backboard
7.11.6 Pins
Two pins, SP1 and SP2, are located on the top right of
the VRS ETU. These short pins are for maintenance. Do
not change the factory default settings on these pins.
Pins 2 and 3 are short-circuited.
Table 5-74 VRS(4) LED Indications
LED Description On Flashing Off
BSY 1 Channel 1 status Busy Not Used Idle
BSY 2 Channel 2 status Busy Not Used Idle
BSY 3 Channel 3 status Busy Not Used Idle
BSY 4 Channel 4 status Busy Not Used Idle
LIVE ETU status Operation
stopped
(Power On)
Normal
operation
No power