TA-341/TT Touch Tone Desk Set

NSN:5805-00-910-8844

© Brooke Clarke, N6GCE


TA-341 in
                  Canvas Bag
TA-341/TT w/ Red Warning
                  Sticker on Handset



General Information


The TA-341/TT is a four-wire, transistor, local-battery telephone intended for use in sheltered areas. It is designed for use with tactical automatic switches but also can be used in a point-to-point mode. Up to four sets can be bridged across a single four-wire line for extension service. DTMF tones activated by a push-button key sender are used for signaling. Technical Characteristics
Range. . . . . . . . . . .3 km (2 mi) from AN/TTC-38 under worst conditions
Type of Operation. . . . . . . . . . . . . . . . . .Local or common battery
Signaling (Outgoing) . . . . . . . . . . . . . . . . . .900 to 3400 Hz DTMF
Signaling (Incoming) . . . . . . . . . . . . . . . . . . . . 90 V AC, 20 Hz
Type of Signal . . . . . . . . . . . . . . .Audible tone, adjustable volume
Power Requirement. . . . . . . . . . . . 6 V DC (four BA-42s or equivalent) "C" cells
Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . .3.2 kg (7 lb)
Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10" wide, 9" deep and 4" high.  For comparison a Bell System 500 desk set is <5" wide, 8 1/2" deep and 4 1/2"  high.  The TA-341 takes up more than twice the desk space!  Why so big? ANs. maybe becuase this phone supports three modes of operation (D.C. Supervision, A.C Supervision and Point to Point with either 2 or 4 wire connections.

Sheltered areas means out of the weather, this is a desk phone not a field phone.

The phone comes in a canvas carrying case that is nicley fitted to the TA-341/TT.

There at least 3 versions, TA-341, TA-341A and TA-341B.

Supervisory Modes

Connection to the Public Switched Telephone Netowrk (PSTN)

AC Supervision Mode

When you talk the handset off hook a 2,248 Hz tone is sent out.  When the handset is placed back on hook a 2,595 Hz tone is sent for 6 seconds then stops.

Point to Point

When the handset is lifted a 572.7 Hz tone iis generated on the Green and Black Tx pair for 2 seconds to ring the other TA-341 phone.


Manuals

From the ETM web page, some are "D" and not available to civilians.
PIN TM/EM Number Publication Title (partial)
021889  TM 11-5805-384-12  TELEPHONE TA-341B/TT (NSN 5805-01-039-3499)  
048381  TM 11-5805-384-20P  TELEPHONE SET, TA-341B/TT (NSN 6605-00-179-8441) 
048393  TM 11-5805-384-30P  TELEPHONE SET, TA-341B/TT (NSN 5805-01-039-3499) 
052296  TM 11-5805-384-30  TELEPHONE SET, TA-341B/TT (NSN 5805-01-039-3499) 
052328  TM 11-5805-384-12-HR  TELEPHONE SET TA-341B/TT (NSN 5805-01-039-3499) 

Links

Military phones -


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