KBox A-103 – User Guide, Rev. 3.0
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11.1.6.
(X110) Serial Interface COM 1 (RS232)
Table 17: (X110) Serial Interface COM 1 (RS232)
Pin
Signal Name
9-pin D-SUB Connector (male)
1
DCD
(Data Carrier Detect)
2
RXD
(Receive Data)
3
TXD
(Transmit Data)
4
DTR
(Data Terminal Ready)
5
GND
(Signal Ground)
6
DSR
(Data Set Ready)
7
RTS
(Request to Send)
8
CTS
(Clear to Send)
9
RI
(Ring Indicator)
11.1.7.
(X204) Serial Interface COM 2 (RS232)
Table 18: (X204) Serial Interface COM 2 (RS232)
Pin
Signal Name
9-pin D-SUB Connector (male)
1
DCD
(Data Carrier Detect)
2
RXD
(Receive Data)
3
TXD
(Transmit Data)
4
DTR
(Data Terminal Ready)
5
GND
(Signal Ground)
6
DSR
(Data Set Ready)
7
RTS
(Request to Send)
8
CTS
(Clear to Send)
9
RI
Ring Indicator
