Hardware manual
Electra Elite Issue 8
System Hardware Manual 5 - 41
4.6.3 Switch Settings
Refer to Table 5-15 COIB(8)-U20/U30 ETU Default
Switch/Jumper Settings.
4.6.4 LED Indications
4.6.5 Connectors
The COIB(8)-U20/U30 has the following connector:
CN1 Connects to the backboard
Table 5-15 COIB(8)-U20/U30 ETU Default Switch/Jumper Settings
Switch/
Jumper
Setting Description
JP100~800
Jumpers 1-2 shorted 6dB increase
Jumpers 2-3 shorted (default) No Gain
Jumpers 3-4 shorted 6dB decrease
Receive pad for related channel
JP101~801
Jumpers 1-2 shorted 6dB increase
Jumpers 2-3 shorted (default) No Gain
Jumpers 3-4 shorted 6dB decrease
Transmit pad for related channel
S1
Open for COI
Shorted (default) for COID
Selects the function for the COIB(8)-U20/
U30
ETU between COI or COID mode
Reset N/A
Resets the COIB(8)-U20/U30 ETU
Table 5-16 COIB(8)-U20/U30 ETU LED Indications
LED Description On Flashing Off
LIVE ETU status Operation stopped
(Power On)
Normal Operation No Power
LED 1 Channel 1 status Busy Not Used Idle
LED 2 Channel 2 status Busy Not Used Idle
LED 3 Channel 3 status Busy Not Used Idle
LED 4 Channel 4 status Busy Not Used Idle
LED 5 Channel 5 status Busy Not Used Idle
LED 6 Channel 6 status Busy Not Used Idle
LED 7 Channel 7 status Busy Not Used Idle
LED 8 Channel 8 status Busy Not Used Idle