Serial Ports; Figure A-3 Serial Port Connector - Silicon Graphics UV 2000 System User's Manual

A: Technical Specifications and Pinouts

Serial Ports

86
The IRU and the optional router modules have 9-pin serial interface connectors. These ports are
for console interface and are capable of transferring data at rates as high as 230 kbps. Other
features of the ports include the following:
• Programmable data, parity, and stop bits
• Programmable baud rate and modem control
Figure A-3 shows a serial port.
Pin 3
Transmit
Data (TXD)
Pin 2
Receive Data
Pin 1 (RXD)
Data Carrier
Detect (DCD)
(not used)
Pin 6
Data Set
Ready (DSR)
(not used)
Pin 7
Request to
Send (RTS)
Figure A-3
Serial Port Connector
Pin 4
Data Terminal
Ready (DTR)
(not used)
Pin 5
Ground
Pin 9
Ringing Indicator (RI)
(not used)
Pin 8
Clear to Send
(CTS)
007-5832-002