Installation; Switch Settings; Table 5-12 Coib(4)-U20 Etu Default Switch/Jumper Settings - NEC ElectraElite 48 System Hardware Manual

Electra Elite
Switch/
Jumper
Jumpers 1-2 shorted
JP100~
Jumpers 2-3 shorted (default) No Gain
400
Jumpers 3-4 shorted
Jumpers 1-2 shorted
JP101~
Jumpers 2-3 shorted (default) No Gain
401
Jumpers 3-4 shorted
Open for COI
S1 Shorted (default) for COID
Reset N/A
System Hardware Manual
4.4.2
4.4.3

Table 5-12 COIB(4)-U20 ETU Default Switch/Jumper Settings

Setting

Installation

In COI mode, a maximum of four COIB(4)-U20 ETUs can
be installed in slots S3~S6 in the Electra Elite 48 system
limited by 16 trunks.
For Caller ID in COID mode, a maximum of two
COIB(4)-U20 ETUs can be installed in slot S3 or S4
(S7000 or lower).
For S8000 or higher in COID mode, the COIB(4)-U20
ETU can be installed in slots S3~S6.

Switch Settings

Refer to Table 5-12 COIB(4)-U20 ETU Default Switch/
Jumper Settings.
6dB increase Receive pad for related channel.
6dB decrease
6dB increase Transmit pad for related channel.
6dB decrease
Selects the function for
COIB(4)-U20 ETU between COI
or COID mode
Resets the COIB(4)-U20 ETU
Description
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