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Manual Telephone Switchboard

5805171040326 171040326 620-08136 PCS 03 620-08145 PCS 02 620-08136 PCS 02 GBOP OPERATOR CONSOLE

An item consisting of a framework or inclosure on or in which are mounted switches, relays, indicator lamps, and/or drops, wiring, fuses, line and trunk terminations. May include dial. Provides for manual connection of a calling telephone set or trunk to a called telephone set or trunk. Connections are usually made by means of plugs, jacks, and cords, or by key type switches. May include means for signalling and supervision. May be of the multiple or nonmultiple type, and may be sectionalized. View more Manual Telephone Switchboard