Connectors; Connections; Figure 5-20 Coib(8)-U( ) Etu Connections - NEC ElectraElite 48 System Hardware Manual

Issue 6
LED
Channel 6 status
LED 6
LED 7
LED 8
5 - 32
Table 5-15 COIB(8)-U( ) ETU LED Indications (Continued)
Description
Channel 7 status
Channel 8 status
4.5.5
4.5.6
On
Busy
Busy
Busy

Connectors

The COIB(8)-U( ) has the following connector:
CN1 Connects to the backboard

Connections

Demark
MDF
T 1
R 1
T 2
R 2
T 3
R 3
T 4
R 4
T 5
R 5
T 6
R 6
T 7
R 7
T 8
R 8

Figure 5-20 COIB(8)-U( ) ETU Connections

Flashing
Not Used
Not Used
Not Used
T
R
T
R
T
R
T
CO
R
T
R
T
R
T
R
T
R
Installing Electronic Telephone Units
Electra Elite
Off
Idle
Idle
Idle