A-4
Sun Netra X4450 Server Service Manual • August 2008
A.3.1
Serial Management Port
The serial management connector (labeled SER MGT) is an RJ-45 connector that can
be accessed from the rear panel. This port is the default connection to the server. Use
this port
only
for server management.
Caution –
You must use a shielded Ethernet cable to maintain your server’s NEBS
compliance. The cable’s shield must be grounded at both ends.
FIGURE A-3
shows the pin numbering of the serial management port.
TABLE A-5
describes the pin signals.
FIGURE A-3
Serial Management Port Pin Numbering
If you need to connect to the SERIAL MGT port using a cable with either a DB-9 or
a DB-25 connector, use a supplied adapter to perform the crossovers given for each
connector. The supplied RJ-45 to DB-9 and RJ-45 to DB-25 adapters are wired as
described in
TABLE A-6
and
TABLE A-7
.
TABLE A-5
Serial Management RJ-45 Connector Signals
Pin
Signal Description
Pin
Signal Description
1
Request to Send
5
Ground
2
Data Terminal Ready
6
Receive Data
3
Transmit Data
7
Data Set Ready
4
Ground
8
Clear to Send
