Hardware manual

Electra Elite Issue 8
System Hardware Manual 5 - 77
5.3.4 LED Indications
Live LED indications are listed below.
Blinking Red Normal Operation
Steady Red Operation Stopped (power On)
Off No Power
LED1 indications are listed below.
Steady Red Some port(s) busy
Off All ports idle
5.3.5 Connectors
The ESI(8)-U( ) ETU has one connector:
CN1 Connects to the backboard
5.3.6 Connections
Figure 5-43 ESI(8)-U( ) ETU Connection
T1
R1
T2
R2
T3
R3
T4
R4
T5
R5
T6
R6
T7
R7
T8
R8
MDF
RJ-11
Multiline Telephone
YL O RD O
BK O GR O