2 pin assignments, 1 serial port – Atop Technology SE5001A User manual User Manual
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User Manual Version 1.0
SE5001A Serial Device Server
11
2.2 Pin Assignments
2.2.1 Serial Port
DB9 Pin Assignments
Pin#
RS-232 Full Duplex
2-Wire RS-485 Half Duplex
RS-422/4-Wire RS-485 Full Duplex
1
DCD
N/A
N/A
2
RXD
N/A
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
TXD-
9
N/A
N/A
N/A
TB5 Pin Assignments
Pin#
RS-232
2-Wire RS-485 Half Duplex
RS-422/4-Wire RS-485 Full Duplex
1
RxD
NC
T+
2
CTS
NC
T-
3
TxD
DATA+
R+
4
RTS
Data-
R-
5
SG (Signal Ground) SG (Signal Ground)
SG (Signal Ground)