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Quatech RS-485 DB9 Pin Outs

These apply to both the DSP-200/300 (PCMCIA) and DSC-200/300 (PCI) cards.

Signal        Pin

TxD+           2

TxD-            7

RxD+          4

RxD-           8

AUXOUT+  1

AUXOUT-   6

AUXIN+      5

AUXIN-       9

GND           3

Further information may be found at Quatech's website, http://www.quatech.com/support/rs422pcmcia_faq.php#