RAD ASM-10/8 Sync/Async Short Range Modem 

ASM10/8/R ASM10/8/SA/115 ASM10/8/SA/230 ASM10/8/SA/48

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ASM-10/8 Sync/Async Short Range Modem

RAD ASM-10/8 Sync/Async
 Short Range Modem 

  • The ASM-10/8, Short Range Modem, operates full or half duplex with synchronous or asynchronous transmission format over unconditioned dedicated lines. ASM-10/8 has an extended range of up to 28 km (17.5 miles) and operates at eight selectable data rates up to 19.2 kbps.
  • The modem uses conditioned differential diphase modulation (EUROCOM Std. D1), which provides immunity to background noise, and eliminates normal line distortion for efficient transfer of serial data over twisted pair cable. ASM-10/8 is coupled to the dedicated line through isolation transformers which, in conjunction with other circuitry, protect against AC or DC overvoltage. The protection circuitry enables operation even when DC is connected to the line.
  • Transmit level and impedance are independently selectable. Transmit timing can be provided internally, or can be derived externally from the data terminal or from the receive signal. Receive timing is regenerated from the data. Line communication is always synchronous. When set to async mode, ASM-10/8 performs async to sync conversion in compliance with ITU V.14 standard.
  • ASM-10/8 features V.54 diagnostic capabilities for performing local analog loopback, local and remote digital loopback. The operator at either end of the line may test both modems and the line when in the digital loopback mode. The loopback is controlled by either front panel pushbuttons or via Pins 18 and 21 of the V.24/RS-232 interface. A selectable option allows insertion of a delay into the data stream so that the V.54 loops are not carried across the network.
  • ASM-10/8 is available as a desk-top unit or as a rack-mount card for a 19" rack. The rack can carry up to 14 of the ASM-10/8 cards. The rack-mount card can detect and indicate power failure on the remote stand-alone unit. The front panel RPF indicator lights if remote power failure occurs.



ASM10/8/R ASM10/8/SA/115 ASM10/8/SA/230 ASM10/8/SA/48


RAD Products

For discount pricing on RAD Data Communications  
email us at sales@data-connect.com
or call 301-924-7400