SB4C1050

Manual telephone switchboard

SB4C1050 Description

Metal inclosure material, 18.000 inches overall length, type no. An/gtc-1 end item identification, switchboard joint electronics type designation system item name.

Properties of SB4C1050

Inclosure Material:
Metal
Overall Length:
Between 18.000 inches and 21.000 inches
End Application:
Type no. An/gtc-1
Joint Electronics Type Designation System Item Name:
Switchboard
Joint Electronics Type Designation System Item Type Number:
Sb-4/gtc-1
Indicator Type:
Light
Battery Power Type:
Local
Dial:
Not included
Position Quantity:
1
Ringing Feature:
Selective
Circuit Routing Type:
Switch
Maximum Line Accommodation:
6
Line Quantity:
6
Cord Quantity:
15
Line Type:
Local battery
Ringing Frequency In Hertz:
20.0
Ringing Voltage In Volts:
120.0
Nondefinitive Specification/std Data:
No. Sb-4/gtc-1 type
NSN:
5805-00-170-5287
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 04/29/2024