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104 Hardware Maintenance Manual: xSeries 250
Advanced System Management ports
Your server has three communication ports dedicated to the Advanced System
Management Processor. One port uses a standard D-shell serial-port connector,
connector C. The other two ports, which are used for the ASM Interconnect function,
use a dual RJ-45 connector.
You can attach a dedicated modem to the D-shell system-management connector on
the rear of the server to communicate with the integrated Advanced System
Management Processor.
The ASM Interconnect function uses the RJ-45 system-management connectors. This
function enables you to connect the Advanced System Management Processors of
several rack-mounted servers so that they can communicate with each other in half-
duplex mode.
Cabling the server
Refer to the following illustration for the location of input and output connectors.
Table 18. Ethernet RJ-45 connector pin-number assignments..
Pin Signal Pin Signal
1 Transmit data+ 5 Not connected
2 Transmit data- 6 Receive data -
3 Receive data+ 7 Not connected
4 Not connected 8 Not connected