22
PI-P5BVLL User`s Manual
COM1 Serial Port
COM1, a 10-pins box-header connector, is the onboard COM1 serial
port of the P5BVLL. 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
10
NC
COM2 Serial Port
COM2, a 10-pins box-header connector, is the onboard COM2 serial
port of the P5BVLL. 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.
10
N.C.
N.C.
1
1
Summary of Contents for PI-P5BVLL
Page 1: ...PI P5BVLL Intel Core 2Quad Q35 PICMG 1 0 SBC User s Manual Version 1 0...
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Page 10: ...2 PI P5BVLL User s Manual Chapter 1 Features Specifications FEATURES 3 SPECIFICATIONS 4...
Page 17: ...PI P5BVLL User s Manual 9 Jumper Locations on the PI P5BVLL...
Page 22: ...14 PI P5BVLL User s Manual Connector Locations on the PI P5BVLL...
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