User`s manual

User’s Manual Version 1.2

Devolinx Serial-Ethernet Server

STE-601C

- 40 -

Aaxeon provides Mini DIN connector to DB9 connector cable, the pin assignments of DB9 connector is shown in the

following table:

Pin#

RS-232

Full Duplex

RS-485

2 wire, Half Duplex

RS-485/422

4 wire, Full Duplex

1 DCD N/A N/A

2 RXD N/A (reserved)

TXD+

3 TXD

DATA+

RXD+

4 DTR N/A N/A

5 SG (Signal Ground) SG (Signal Ground) SG (Signal Ground)

6 DSR N/A N/A

7 RTS

DATA- RXD-

8 CTS N/A (reserved)

TXD-

9 N/A N/A N/A

Note: RS485 2 or 4 pins assignments of DB9 connector are different from those of Mini DIN connector.