NEC-1100022, SL1100 4-Port Loop-Start CO Line Daughter Card
Features/Specifications:
The 4-Port CO Trunk Daughter Board provides interface for (4) standard loop-start CO trunks. Includes power failure transfer circuit for one line. Equipped with (2) 8-conductor interface jacks:
(1) for connection of (4) trunks
(1) for power failure connection for first trunk circuit.
One 4-Port Analog Trunk Card (p/n 1100022) can only be installed on each of the following: