Db9 Connector; Figure B-6 Db9 Pin Assignments - Silicon Graphics Origin 300 User Manual

B: Connector Pinouts

DB9 Connector

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Figure B-6 shows the DB9 connector pin assignments. This connector is used for the L1
console port and serial ports 1 and 2 of the Origin 300 base module. It is also used as the
console and modem ports of the L2 controller.
Pin 3
Transmit
Data (TD)
Pin 2
Receive Data
(RD)
Pin 1
Data Carrier
Detect (DCD)
(not used)
Pin 6
Data Set
Ready (DSR)
(not used)
Pin 7
Request to
Send (RTS)
Figure B-6 DB9 Pin Assignments
Pin 4
Data Terminal
Ready (DTR)
(not used)
Pin 5
Ground
Pin 9
Ringing Indicator (RI)
(not used)
Pin 8
Clear to Send
(CTS)
007-4498-002