
20
System Layout
Leading
EDGE COMPUTING
3.1.11
COM Port Connectors
The DLAP-4000 provides five COM ports through D-sub 9-pin
connectors. The COM1 port support RS-232/422/485 modes by
BIOS setting, while COM2 to COM5 support only RS-232.
Figure 3-8: COM Port Pin Definition
Table 3-8: D-Sub 9-pin Signal Function of COM Ports
Pin
Signal Name
RS-232
RS-422
RS-485
1
DCD#
TXD422-
485DATA-
2
RXD
3
TXD
N/S
4
DTR#
RXD422-
N/S
5
GND
N/S
N/S
6
DSR#
N/S
N/S
7
RTS#
N/S
N/S
8
CTS#
N/S
N/S
9
RI#
N/S
N/S
Summary of Contents for DLAP-4000 Series
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