Figure 5-19 Coid(4)/(8)-U10 Etu Connections - NEC Electra Elite 192 Hardware Manual

Issue 6
5 - 32
4.4.2 Installation
A maximum of 8 COID(4)/(8)U10 ETUs can be installed in
slots S1~S4 in the basic and first expansion B64-U10
KSUs.
4.4.3 Switch Settings
The RESET switch resets the unit.
4.4.4 LED Indications
Live LED indications are listed below.
Blinking Red
¥
Steady Red
¥
Off
¥
LED 1~8 (or 1~4) indications are listed below.
Steady Red
¥
Off
¥
4.4.5 Connectors
The COID( )-U10 has one connector:
CN1
¥
4.4.6 Connections
MDF Demark
T 1 T
R 1 R
T 2 T
R 2 R
T 3 T
R 3 R
T 4 T
R 4 R
COID(4)-U10 Card

Figure 5-19 COID(4)/(8)-U10 ETU Connections

Normal Operation
Operation Stopped (power On)
No Power
Lines 1~8 busy
Lines 1~8 idle
Connects to the backboard
MDF
T 1
R 1
T 2
R 2
T 3
R 3
T 4
CO
R 4
T 5
R 5
T 6
R 6
T 7
R 7
T 8
R 8
COID(8)-U10 Card
Installing Electronic Telephone Units
Electra Elite
Demark
T
R
T
R
T
R
T
CO
R
T
R
T
R
T
R
T
R