HPRT HT800 - 4.2 Optional Interface Ports

HT800/HT830 User Manual
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4.2 Other Optional Interfaces
 Serial Port
PIN
SIGNAL NAME
SIGNAL DIRECTION
1
+5VDC
OUTPUT
2
RXD
OUTPUT
3
TXD
INPUT
4
DTR
INPUT
5
GND
GROUNDING
6
DSR
OUTPUT
7
RTS
INPUT
8
CTS
OUTPUT
9
-
NO CONTACT