Special Features:

20 circuit; designed for 48 v switchboard; plywood case; terminal data; 5 lug type; mtg on jcens base stand mt-1132/tt; spl feature; provided facilities for connecting 1 control office w/another on comm0n battery; specific use; jcens; central office, telephone manual; type no.An/tcc-7

Properties:

A telephone circuit consisting primarily of telephone relays, terminating impedance networks, and other associated telephone equipment designed for use in terminating a trunk from a distant telephone central office and in providing supervision and control of the established trunk connection.