Part Number
Part Number:
NSN:
NIIN:
Item Name:
CONVERTER , TELEGRAPH-TELEPHONE SI
Definition:
AN ELECTRONIC DEVICE WHICH RECEIVES, CONVERTS AND TRANSMITS RINGING AND/OR SUPERVISORY OR OTHER MESSAGES OVER A COMMUNICATION CIRCUIT IN THE FORM OF AUDIO FREQUENCY TONES. MAY INCLUDE INTEGRAL INTERRUPTERS, OSCILLATORS AND HYBRID AND FILTER NETWORKS. EXCLUDES GENERATOR, RINGING, STATIC AND GENERATOR, RINGING, MACHINE.
CAGE Information
| Code | Company |
|---|---|
| 31870 | VIKING ELECTRONICS INC. |
Federal Supply Class
Title
TELEPHONE AND TELEGRAPH EQUIPMEN
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| FEAT | SPECIAL FEATURES | TELEPHONE LINE CONVERTER MODULE PROVIDES THE TALK BATTERY, RING GENERATION AND OFF HOOK DETECTION NECESSARY TO OPERATE A STANDARD TELEPHONE;ALSO PROVIDES THE RING DETECTION AND LINE SEIZURE NEEDED WHEN CONNECTING TO A PBX STATION OR CO TRUNK;ON BOARD IS A 2-WIRE TO 4-WIRE HYBRID THAT SEPARATES THE TRANSMIT AND RECEIVE AUDIO PATHS;THE BOARD ALSO CONTAINS A PULSE CODE MODULATOR AND DEMODULATOR WHICH CONVERTS THE AUDIO SIGNALS INTO A SERIAL BIT STREAM;THE USE OF COMPANDORS FURTHER REFINE THE QUALITY OF THE AUDIO;THE OUTPUT IS 4-WIRE 600 OHM AUDIO OR SYNCHONOUS SERIAL DATA VIA A RS-422 INTERFACE;AN ONBOARD CLOCK GENERATOR IS PROVIDED (SELECTABLE DATA RATE FROM 28KBPS TO 256KBPS) OR THE SYSTEM WILL ACCEPT AN EXTERNAL CLOCK SIGNAL |
| BGHG | TRANSMITTED LINE SIGNAL FREQUENCY RATING | 2590.0 HERTZ MINIMUM AND 2610.0 HERTZ MAXIMUM |
| BGGY | SWITCHBOARD SIDE CURRENT TYPE | DC |
| ABMK | OVERALL WIDTH | 19.000 INCHES NOMINAL |
| AGAV | END ITEM IDENTIFICATION | MILSTAR TERMINAL REMOTE |
| ANEQ | SIGNAL TYPE | RING DOWN |
| ABKW | OVERALL HEIGHT | 1.750 INCHES NOMINAL |
| BGHJ | COMMUNICATION CIRCUIT QUANTITY | 4 |
| ABFY | OVERALL DEPTH | 7.000 INCHES NOMINAL |
| BGHH | RECEIVED LINE SIGNAL FREQUENCY RATING | 2500.00 HERTZ MINIMUM AND 2700.0 HERTZ MAXIMUM |