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Electra Elite
System Hardware Manual
5.8.2
Installation
A maximum of four SLI(4)-U( ) or three SLI(8)-U( ) ETUs
can be installed in slots S3~S6.
5.8.3
LED Indications
LED 1 indications are listed below.
Blinking Red
Steady Red
Off
LED 2 indications are listed below.
Steady Red
Off
5.8.4
Connectors
The SLI(4)/(8)-U( ) ETU has one connector:
CN1
5.8.5
Connections
YL O RD O
BK O GR O
RJ-11
Single Line
Telephone
SLI(4)-U( ) ETU
Figure 5-48 SLI(4)/(8)-U( ) ETU Connections
Normal Operation
Operation Stopped (power on)
No Power
Some port(s) busy
All ports idle
Connects to the backboard
MDF
T1
R1
T2
R2
T3
Single Line
R3
Telephone
T4
R4
SLI(8)-U( ) ETU
Issue 6
MDF
YL O RD O
T1
R1
BK O GR O
T2
RJ-11
R2
T3
R3
T4
R4
T5
R5
T6
R6
T7
R7
T8
R8
5 - 85
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