Figure 10: Db9 Port Pin-Out - RuggedCom RuggedWireless RS910W Installation Manual

Pin RS232 Mode
1 CD
2 TX
3 RX
4 DTR
5
6 DSR
7 CTS
8 RTS
9 RI (NC)
Shield

Figure 10: DB9 Port pin-out

NOTE: Pins 1, 4, and 6 are connected internally. Pins 7 and 8 are connected internally. No internal
termination is provided.
3.1.3 RS232/RS485/RS422 via RJ45
Each port is individually selectable via software to be RS232, RS485 or RS422. The RJ45 port and
pin-out is shown in Figure 11.
©
2007 RuggedCom Inc. All rights reserved
RS485 Mode
-
TX/RX+ (A)
-
-
Common (Isolated Ground)
-
TX/RX - (B)
-
-
Chassis Ground
15
RS422 Mode
-
TX+
RX+
-
RX-
TX-
-
Rev100