Coib(4)-U10 Etu - NEC Electra Elite 192 Hardware Manual

Electra Elite
Equipment Name
Electrical fuses (posistors) are built into this ETU.
This ETU supports eight outside (CO/PBX) lines
and provides circuitry for ring detection, holding,
and dialing.
The outside lines can be any combination of Loop
Start or Ground Start DTMF trunks.
COI(8)-U10 ETU
This ETU is installed in slots S1~S8 in the basic or
expansion B64-U10 KSU.
This ETU can provide an E911 CAMA trunk.
The maximum number depends on other trunk
cards installed. This ETU shares the total number
of CO/PBX lines in the system.
This ETU can function the same as the COI(4)-U10
or COID(4)-U10 ETU to provide Central Office
interface. When ETU is set for COID mode, Loop
Start trunks and /or Caller ID trunks are supported.
When the ETU is set for COI mode, Loop Start or
Ground Start is supported.
supported in COI mode. Connections for Ground
Start trunks are polarity sensitive.
Only DTMF signaling is supported.

COIB(4)-U10 ETU

This ETU can provide an E911 CAMA trunk.
The maximum number depends on other Trunk
cards installed.

This ETU shares the total number of CO/PBX lines
in the system.
Tip and RIng electrical fuses are provided to
comply with UL 1459 requirements.
System Hardware Manual
Description
COID mode: Caller ID trunks must be installed
in slots 1~4 in basic or first expansion KSU.
Basic KSU
7 ETUs
56
CO/PBX
lines
Caller ID is not
COI Mode
7 ETUs
28 CO/PBX
Lines
COID mode
4 ETUs
16 CO
(Class) lines
Issue 6
Basic + 1 Basic + 2
Expansion Expansion
KSU KSUs
8 ETUs 8 ETUs
64 64
CO/PBX CO/PBX
lines lines
COI Mode COI Mode
15 ETUs 16 ETUs
60 CO/PBX 64 CO/PBX
Lines Lines
COID mode COID mode
8 ETUs 8 ETUs
32 CO 32 CO
(Class) lines (Class) lines
1 - 7