Atop Technology GW51C-MAXI-WDT User manual User Manual
Page 46
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User manual Version 1.4
GW51C-MAXI Serial Server
Copyright © 2004 Atop Technologies, Inc.
All rights reserved. Designed in Taiwan.
45 / 68
Atop 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
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.
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