
22
ISA-E5 User`s Manual
COM1 Serial Port
COM1, a 9-pin D-Sub male connector, is the onboard COM1 serial
port of the ISA-E5. The following table shows its pin assignments.
Pin #
RS232 Mode
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 10-pin header connector, is the onboard COM2 serial port of
the ISA-E5. The following table shows its pin assignments while it is
configured as RS-232, RS-422 or RS-485 interface.
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.
Summary of Contents for CJ ISA-E5
Page 10: ...2 ISA E5 User s Manual Chapter 1 Features Specifications Features 3 Specifications 4...
Page 15: ...ISA E5 User s Manual 7 Dimensions 185mm W x 127mm L 4 screw holes on four corners...
Page 16: ...8 ISA E5 User s Manual This page is intentionally left blank...
Page 19: ...ISA E5 User s Manual 11 Jumper Locations on the ISA E5...
Page 24: ...16 ISA E5 User s Manual Connector Locations on the ISA E5...