Loop Start Trunks - NEC Electra Elite 48/192 Features And Specifications Manual

Loop Start Trunks

FEATURE
DESCRIPTION
SYSTEM
AVAILABILITY
OPERATING
PROCEDURES
SERVICE
CONDITIONS
Features and Specifications Manual
Loop Start Trunks can be connected to the Electra Elite system. Loop Start is
assigned per trunk at the associated ETU. Ground Start and Loop Start
Trunks can be mixed in the system per trunk. COID(8)-U10, COID(4)-U10, or
COI(4)-U10 ETU are Loop Start only.
Terminal Type:
Not applicable
Required Components:
COI(8)-U10, COI(4)-U10, COID(8)-U10, COID(4)-U10, or COIB(4)-U10 ETU
None
Data Assignment:
Use Memory Block 7-1 (Card Interface Slot Assignment) to specify the
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COI(8)-U10, COI(4)-U10, COID(8)-U10, COID(4)-U10, or COIB(4)-U10
ETU.
General:
Each COI(8)-U10 ETU has eight switches (one for each port) that can be
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used to select either Loop or Ground Start per trunk.
Each COIB(4)-U10 ETU has four switches (one for each port) that can
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be used to select either Loop or Ground Start per trunk.
Each COI(4)-U10 or COID(4)/(8)-U10 ETU supports loop start only.
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When the serving CO sends a disconnect signal after the outside party
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abandons a call, the trunk is automatically released.
Sixty-four trunks (Ground Start, Loop Start, ISDN, E&M Tie Lines, and
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DID Trunks) can be installed in an Electra Elite 192 system, or 16 trunks,
in an Electra Elite 48 system.
L-5
L - 11