SCD5003

Manual telephone switchboard

SCD5003 Description

Metal inclosure material, 17.750 inches overall diameter, type no. Tc-12 end item identification, drop indicator type, no. Bd-91 type nondefinitive spec/std data.

Properties of SCD5003

Inclosure Material:
Metal
Overall Diameter:
Between 17.750 inches and 18.750 inches
End Application:
Type no. Tc-12
Indicator Type:
Drop
Battery Power Type:
Local
Dial:
Included
Position Quantity:
1
Ringing Feature:
Selective
Circuit Routing Type:
Cord
Maximum Line Accommodation:
20
Line Quantity:
20
Cord Quantity:
8
Line Type:
Local battery
Ringing Frequency In Hertz:
20.0
Ringing Voltage In Volts:
28.0
Nondefinitive Specification/std Data:
No. Bd-91 type
NSN:
5805-00-164-7070
Description:
Switchboard,telephone,manual
Cage Code:

Definition Manual Telephone Switchboard

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.

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Last modified 05/04/2024