Figure 5-37 Esi(8)-U10 Etu Connection - NEC Electra Elite 192 Hardware Manual

Issue 6
5 - 64
5.4.4 LED Indications
Live LED indications are listed below.
Blinking Red
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Steady Red
¥
Off
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LED1 indications are listed below.
Steady Red
¥
Off
¥
5.4.5 Connectors
The ESI(8)-U10 ETU has one connector:
CN1
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5.4.6 Connections
Multiline Telephone

Figure 5-37 ESI(8)-U10 ETU Connection

Normal Operation
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
Installing Electronic Telephone Units
Electra Elite
T1
R1
T2
R2
T3
R3
MDF
T4
R4
T5
R5
T6
R6
T7
R7
T8
R8