COM1 Serial Port
COM1, a 9-pin D-Sub male connector, is the onboard
COM1 serial port of the
TR-LCD1
9
00-ITX-
7
. The following table
shows its pin assignments.
Pin #
Signal Name
1
DCD, Data carrier detect
2
RXD, Receive data
3
TXD, Transmit data
4
DTR, Data terminal ready
5
GND, ground
6
DSR, Data set ready
7
RTS, Request to send
8
CTS, Clear to send
9
+5V,Ring-IN or +12V
COM2 Serial Port
COM2, a 9-pin D-Sub male connector, is the onboard
COM2 serial port of the
TR-LCD1
9
00-ITX-
7
. The following table
shows its pin assignments.
Pin #
RS232 Mode
Signal Name
RS422/RS485 Mode
Signal Name
1
DCD, Data carrier detect
TX- (422/485)
2
RXD, Receive data
TX+ (422/485)
3
TXD, Transmit data
RX+ (422)
4
DTR, Data terminal ready
RX- (422)
5
GND, ground
GND
6
DSR, Data set ready
N.C.
7
RTS, Request to send
N.C.
8
CTS, Clear to send
N.C.
9
+5V,Ring-IN or +12V
N.C.
25
TR-LCD1900-ITX-7 User Manual
Summary of Contents for TR-LCD1900-ITX-7
Page 17: ...Jumper Locations on the TR LCD1900 ITX 7 16 TR LCD1900 ITX 7 User Manual ...
Page 22: ...Connector Locations on the TR LCD1900 ITX 7 21 TR LCD1900 ITX 7 User Manual ...
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