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National Stock Number:
5895-01-062-0002
Federal Supply Class:
5895
National Item Identification Number:
010620002
Description:
MODEM,COMMUNICATIONS
Detail:
An item which modulates and demodulates one or more electrical signals. It connects data terminal equipment to a communication line or network such as telephone, radio or telegraph. It may include the multiplexing and demultiplexing circuits, circuit amplifiers and source(s) of carrier frequency. For items designed for light signals, see MODEM, FIBER OPTIC.
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Manufacturer Information:
| 6500-4 | 11627 | L3 TECHNOLOGIES, INC. | | MD-1035/A | 80058 | JOINT ELECTRONICS TYPE DESIGNATION SYSTEM |
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Techincal Specification:
| SUPPLEMENTARY FEATURES | MODULATION AND DEMODULATION OF CARRIER AT 75 BPS DATA RATE WITH BINARY FSK WITH 2.5 KHZ DEVIATION PERFORMS VARIOUS SYNC,PREAMBLE,AND END OF TEXT RECOGNITION FUNCTIONS. CONTAINS PSFUDORANDUM FUNCTION GENERATOR FOR CONTROL OF ASSOCIATED RADIO SET FREQUENCY,RECEIVES MESSAGES THAT SYNCHRONIZE MODEM TO SATELLITE TIMED ACCESS MODES. DEMODULATION OF 8 ARY FSK CARRIER WITH TONES SPACED 200 HZ APART. AUTOMATIC SYNCHRONIZATION TO CARRIER FREQUENCY OBTAINED BY OPERATING ON REAL TIME VECTOR ASSPECIFIED BY PLUGGABLE READ ONLY MEMORY MODULE. DEINTERLEAVING,DECOVERING,ERROR DECODING AND BLOCK ERROR DETECTION OF RECEIVED MESSAGES |
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