Dell 4350 Server User Manual


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I/O Ports and ConnectorsB-9
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The server-management bus (SMB) connectors (XSMB_IN and XSMB_OUT) are used
to daisy-chain servers together so that server management information can be shared
between the servers. Figure B-7 illustrates the pin numbers for the SMB connectors,
and Figure B-6 lists and defines the pin assignments and interface signals for the
SMB connectors.
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1 RS-485 A I/O Noninverting receiver input and
noninverting driver output
2 RS-485 B I/O Inverting receiver input and
inverting driver output
3 NC N/A No connection
4 NC N/A No connection
5 NC N/A No connection
6 NC N/A No connection
7 NC N/A No connection
8 NC N/A No connection
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3502Ebk0.book Page 9 Friday, November 13, 1998 10:00 AM
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