Null Modem Adapter DB9 male/female
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Product description
Product description
9 pole D-SUB (DB9) male to female. Null modem adapter. For serial transmission (RS-232) between two computers. The adapter creates a null modem cable from a regular straight serial cable.
A straight serial cable is used to connect a Data Terminal Equipment (DTE) device (e.g. a computer) to a Data Communications Equipment (DCE) device (e.g. a printer).
However, to connect two DET devices (e.g. computers) with each other, a null modem cable (also known as a crossover cable) is needed. For this to happen, the transmit (TXD) and receive (RXD) pins on one of the serial connectors must be crossed.
Product information
SKU:
41013813EAN / GTIN:
4040849506871