Installation; Switch Settings; Led Indications; Table 5-10 Coib(4)-U( ) Etu Default Switch Settings - NEC ElectraElite 48 System Hardware Manual

Issue 6
LED
LIVE
LED 1/CH1
LED 2/CH2
LED 3/CH3
LED 4/CH4
FAX
Switch SW400 must be set to Loop Start for FAX CO function to work.
5 - 24
4.3.2
4.3.3
Switch
SW100
~400
S1
Reset
4.3.4

Table 5-11 COIB(4)-U( ) ETU LED Indications

Description
ETU status Operation stopped
Channel 1 status
Channel 2 status
Channel 3 status
Channel 4 status
FAX status)

Installation

In COI mode, a maximum of four COIB(4)-U( ) ETUs can
be installed in slots S3 ~S6 in the system limited by 16
trunks.
When used for Caller ID trunks in COID mode, it must be
installed in slot S3 or S4 (S7000 or lower).
For S8000 or higher in COID mode, the COIB(4)-U( )
ETU can be installed in slots S3~S6.

Switch Settings

Refer to Table 5-10 COIB(4)-U( ) ETU Default Switch
Settings.

Table 5-10 COIB(4)-U( ) ETU Default Switch Settings

Setting
Set for line type.
Default Setting: LP
Open for COI
Shorted (default) for
COID
N/A

LED Indications

On
Normal Operation
(Power On)
Busy
Busy
Busy
Busy
Busy
Description
Switches between Loop Start (LP)
or Ground Start (GS) Trunks
Selects the COIB(4)-U( ) ETU
function for COI or COID mode
Resets the COIB(4)-U( ) ETU
Flashing
No Power
Not Used
Not Used
Not Used
Not Used
Not Used
Installing Electronic Telephone Units
Electra Elite
Off
Idle
Idle
Idle
Idle
Idle