Silicon Graphics Octane III, User Manual, Page: 33 / 64

Rear I/O Connectors
007-5633-001 25
DB9 Serial Connector
Figure 3-5 shows the DB9 connector pin assignments.
This connector may be used as a “dumb” RS-232 style console port for connecting to the head
node compute tray or (optionally) to interface with the internal Ethernet switch.
Figure 3-5 Octane III Serial Port Connector Pins
Pin 7
Request to
Send (RTS)
Pin 3
Transmit
Data (TD)
Pin 2
Receive Data
(RD)
Pin 4
Data Terminal
Ready (DTR)
(not used)
Pin 5
Ground
Pin 9
Ringing Indicator (RI)
(not used)
Pin 8
Clear to Send
(CTS)
Pin 6
Data Set
Ready (DSR)
(not used)
Pin 1
Data Carrier
Detect (DCD)
(not used)