Themis RES-XR4-3U, Installation Manual

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RES-XR4-3U Installation Manual Version 1.3
A-2
Themis Computer
A.2 USB Ports
The RES-XR4-3U supports two USB (Universal Serial Bus) port connectors (see
Figure A-1 for a connector pinout), USB 0 and USB 1, on the rear I/O panel.
Pinout descriptions are listed in Table A-2 .
A.3 Serial Port
The RES-XR4-3U supports one male DB9 serial port connector on the rear I/O
panel (see Figure A-2 )—TTYA (COM1).
COM1 pinout signal descriptions are listed in Table A-3 .
Figure A-1. USB Connector Pinout
Table A-2.
USB Connector Pinout Signal Descriptions
Pin Signal Name Pin Signal Name
1 +5V 3 PO+
2 PO– 4 GND
Figure A-2.
COM1 Serial Connector Pinout
Table A-3. COM1 Serial Connector Pinout Signal Descriptions
Pin Signal Name Pin Signal Name Pin Signal Name
1 DCD 4 DTR 7 RTS
2 RXD 5 GND 8 CTS
3 TXD 6 DSR 9 RI