Table of Contents
Advertisement
Issue 6
Equipment Name
Electrical fuses (posistors) are built into this ETU.
supports four outside (CO/PBX) lines and provides circuitry for ring
detection, holding, and dialing.
The outside lines must be Loop Start DTMF trunks.
COI(4)-U( ) ETU
This ETU is installed in slots S3~S6 in the B48-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.
Electrical fuses (posistors) are built into 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)-U( )ETU
This ETU is installed in slots S3~S6 in the B48-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)-U( ) or COID(4)-U( )
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. Caller ID is not supported in COI mode. Connections
for Ground Start trunks are polarity sensitive.
Only DTMF signaling is supported.
This ETU can provide an E911 CAMA trunk.
COIB(4)-U( ) ETU
For COID mode: Caller ID trunks must be installed in slot S3 or S4
(S7000 or lower).
For COID mode (S8000 or higher): Caller ID trunks can be
installed in slots S3~S6.
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.
1 - 6
Description
KSU Maximum
Quantities
This unit
4 ETUs
16 CO/PBX lines
This unit
2 ETUs
16 CO/PBX lines
COI Mode
4 ETUs
16 CO/PBX lines
COID Mode
2 ETUs
8 CO (Class) lines
Electra Elite
Introduction
Advertisement
Table of Contents
