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null modem

   Also found in: Wikipedia 0.01 sec.
(communications, hardware)null modem - A cable, especially an EIA-232 cable, for connecting serial ports on two computers directly, rather than via modems. Since, according to the specification, both computers should transmit on pin three of their EIA-232 connectors and receive on pin two, a null modem cable needs to connect one computer's pin two to the other's pin three and vice versa. It also needs to have male connectors at both ends (again, according to the specification).


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8 kbps connection) or Via serial cable link (requires null modem cable and 16550 UART high speed serial port) For more information, call 650/628-7702.
They include the two distribution CDs, system DRAM, a CompactFlash card, cables, power supply, and null modem.
 
 
 
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