Themis RES-22XR3, Installation Manual

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E-5
Themis Computer
E—Optional RES Audio/USB/Serial Port Module
RES Audio/USB/Serial Port Custom Module
E.1.2.2 Serial Port COM1
The RES Custom Module supports one male DB9 serial port connector (J9) on the
front I/O panel (see Figure E-5 )—COM1.
The COM1 pinout is listed in Figure E-5 ; pinout signal descriptions are described in
Table E-2 , which also shows the serial header (J8) connections to serial port J9.
Figure E-5. COM1 Serial Connector Pinout
J9
Serial Port COM1
J8
1 2
3 4
5 6
7 8
9 10
Header
Table E-2.
COM1 Serial Connector Pinout Signal Descriptions (J8 and J9)
J8
Pin
Signal
Name
Connected
to J9 Pin
J8
Pin
Signal
Name
Connected
to J9 Pin
J8
Pin
Signal
Name
Connected
to J9 Pin
1 DCD 1 4 RTS 7 7 DTR 4
2 DSR 6 5 TXD 3 8 RI 9
3 RXD 2 6 CTS 8 9 GND 5