NEC Electra Elite 48/192 - Loop Start Trunks

Features and Specifications Manual L - 11
Loop Start Trunks
L-5
FEATURE
DESCRIPTION
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.
SYSTEM
AVAILABILITY
Terminal Type:
Not applicable
Required Components:
COI(8)-U10, COI(4)-U10, COID(8)-U10, COID(4)-U10, or COIB(4)-U10 ETU
OPERATING
PROCEDURES
SERVICE
CONDITIONS
Data Assignment:
 Use Memory Block 7-1 (Card Interface Slot Assignment) to specify the
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
used to select either Loop or Ground Start per trunk.
 Each COIB(4)-U10 ETU has four switches (one for each port) that can
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.
 When the serving CO sends a disconnect signal after the outside party
abandons a call, the trunk is automatically released.
 Sixty-four trunks (Ground Start, Loop Start, ISDN, E&M Tie Lines, and
DID Trunks) can be installed in an Electra Elite 192 system, or 16 trunks,
in an Electra Elite 48 system.
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