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62 Hardware Maintenance Manual: xSeries 330
Input/Output ports
This section provides information about the input/output (I/O) ports on the server.
These ports include the following:
• Cable Chaining Technology (C2T) ports
• Serial port
• Universal Serial Bus (USB) ports
• Ethernet ports
• Advanced System Management (ASM) ports
Serial port
Your server has one standard serial port. Some application programs require specific
ports, and some modems function properly only at certain communication port
addresses. You might need to use the Configuration/Setup Utility program to change
communication port address assignments to prevent or resolve address conflicts. This
serial port is also manually configurable from inside of the server. The following table
lists the function of each of the connectors which can be used to manually configure
the serial port. You will also need to refer to the figure in “System board options
connectors” on page 40.
Viewing or changing the serial-port assignments: To view or change the serial-port
assignments:
1. Restart the server and watch the monitor screen.
Connectors Port Description
J52 Serial A / Systems
Management Port
Default connection. Used by OS and Advanced System
Management Processor. Modem can be connected so
that the system can dial out during problems.
J51 Serial Port B Used by OS only.
J53 Management Port Used by Advanced System Management Processor to
utilize modem dial up functions.
Ethernet 1
Ethernet 2
PCI slot 1
PCI slot 2
RS-485 (Advanced
System Management
Interconnect) A
RS-485 (Advanced
System Management
Interconnect) B
USB 1
USB 2
C2T in
C2T out
Serial port