User Manual
Table Of Contents
User manual Version 1.0
ABLELink
Wireless Serial Server
SW2001
Copyright © 2006 Atop Technologies, Inc.
All rights reserved. Designed in Taiwan.
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Pin assignments of Mini DIN 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
RxD/T+
3
TXD
TxD/R+
TxD/R+
4
DTR N/A (reserved) N/A
5
SG (Signal Ground) SG (Signal Ground) SG (Signal Ground)
6
DSR N/A N/A
7
RTS
RTS/R-
RTS/R-
8
CTS N/A
CTS/T-
9
N/A N/A(reserved for Atop
devices)
N/A
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 N/A
3
TXD
DATA-
RXD-
4
DTR N/A (reserved)
TXD-
5
SG (Signal Ground) SG (Signal Ground) SG (Signal Ground)
6
DSR N/A N/A
7
RTS N/A N/A
8
CTS
DATA+
RXD+
9
RI N/A(reserved for Atop
devices)
TXD+
Note that RS-485 2 or 4 pins assignments of DB9 connector are different from those of Mini DIN connector.