Owner manual

Board Interfaces 29

cPCI-6210

COM1 Connector (DB-9)

Table 4-4: COM1 Connector Pin Definition

RS-422/485 Adapter Dongle

A DB-9 male-female adapter dongle is provided to allow com-

patibility with common RS-422/485 pin definitions

Table 4-5: RS-422/485 Adapter Dongle Pin Definition

Pin # RS-232 RS-422 RS-485

1DCD-L — —

2 RXD RXD- —

3 TXD TXD- TXD-

4DSR-L — —

5 Ground — —

6DSR-L — —

7 RTS-L TXD+ TXD+

8CTS-LRXD+ —

9— — —

NOTE:

The COM1 RS-422/485 pin definitions are different from the

common DB-9 pin definitions. An RS-422/485 DB-9 male-female

adapter dongle is provided to allow compatibility with common

RS-422/485 pin definitions.

DB-9 (Female)

Signal Name

Pin #

DB-9 (Male)

Signal Name

NC 1 TXD-

RXD- 2 TXD+

TXD- 3 RXD+

NC 4 RXD-

NC 5 NC

NC 6 NC

TXD+ 7 NC

RXD+ 8 NC

NC 9 NC