Special Features:

2100 circuits; designed for 48 v switchboard; plywood case; terminal data; 14 lug type; mounted on jcenc base stand mt-1132/tt; special features; provides terminating equipment for common battery lines; identification data; telephone circuit, line relay

Properties:

A telephone circuit consisting primarily of telephone relays and other associated telephone equipment designed for use in terminating a line from a local telephone and in providing the telephone user with the facilities for signaling the switchboard operator.