Electra Elite
System Hardware Manual
5.4.3
Installation
The first ESI(8)-U( ) ETU is built-in on the MBD-U10 Unit
and designated as Slot 1 for ports 01~08. A maximum of
three additional ESI(8)-U( ) ETUs can be installed in the
system in slots S3~S6.
5.4.4
LED Indications
Live LED indications are listed below.
Blinking Red Normal Operation
Steady Red
Off
LED1 indications are listed below.
Steady Red
Off
5.4.5
Connectors
The ESI(8)-U( ) ETU has one connector:
CN1
5.4.6
Connections
Multiline Terminal
Figure 5-40 ESI(8)-U( ) ETU Connection
Operation Stopped (power on)
No Power
Some port(s) busy
All ports idle
Connects to the backboard
YL O RD O
BK O GR O
RJ-11
Issue 6
T1
R1
T2
R2
T3
R3
MDF
T4
R4
T5
R5
T6
R6
T7
R7
T8
R8
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