Difference between revisions of "SB-22~PT"
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[[Category:Military/Field Phones]] | [[Category:Military/Field Phones]] | ||
Revision as of 00:45, 2 August 2013
The SB-22/PT and the SB-22A/PT are tactical, manual switchboards that can be rapidly installed to provide field facilities for interconnecting 12 local-battery telephone circuits, remote controlled radio circuits, or voice frequency (VF) teletypewriter circuits. Two SB-22/PTs may be stacked to provide a 29-circuit capability by removing one TA-221/PT (operator’s pack) and inserting five TA-222/PTs (line packs). Replacing a line pack with a trunk pack permits one-way ring-down, and one-way automatic trunk circuits between the SB-22A/PT and any other switchboard with common-battery signaling. The Tone-Signaling Adapter TA-977/PT provides the operator with a two-wire push-button tone-signaling capability for interfacing automatic switches without operator intervention.
Technical Characteristics
- Type of Operation
- Manual with local battery
- LineCapacity
- 12
- Signaling(Outgoing)
- 90to100V AC,20Hz
- Signaling(Outgoing) with adapter
- DTMF
- Signaling(Incoming)
- 90V AC,20Hz
- Type of Signal
- Audible or visual alarm
- Power Requirement:
- Operator’s Talking Circuit
- 3 V DC (two BA-30s)
- Night Alarm and Panel Light
- 3 V DC (two BA-30s)
- Operator’s Talking Circuit
- Weight
- 15.4kg(34lb)
Related Files
- OPERATOR’S AND UNIT MAINTENANCE MANUAL
- SWITCHBOARDS, TELEPHONE, MANUAL
- SB-22/PT (NSN 5805-00-257-3602)
- SB-22A/PT (NSN 5805-00-715-6171)
- INCLUDING TONE SIGNALING ADAPTER
- TA-977/PT (NSN 5805-01-040-9653))
- 15 June 1990
- ORGANIZATIONAL MAINTENANCE REPAIR PARTS AND SPECIAL TOOLS LISTS FOR
- SWITCHBOARDS, TELEPHONE, MANUAL
- SB-22/PT (NSN 5805-00-257-3602)
- SB-22A/PT (NSN 5805-00-715-6171)
- May 1978
- DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL
- SWITCHBOARDS, TELEPHONE, MANUAL
- SB-22/PT (NSN 5805-00-257-3602)
- SB-22A/PT (NSN 5805-00-715-6171)
- 28 September 1983
- DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE REPAIR PARTS AND
- SPECIAL TOOLS LISTS (INCLUDING DEPOT MAINTENANCE REPAIR PARTS AND SPECIAL TOOLS)
- SWITCHBOARDS, TELEPHONE, MANUAL
- SB-22/PT (NSN 5805-00-257-3602)
- SB-22A/PT (NSN 5805-00-715-6171)
- May 1978