Dell POWEREDGE 4300 - Page 109

I/O Ports and Connectors B-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.
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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
8 6 4 2
7 5 3 1
33255bk0.book Page 9 Tuesday, August 25, 1998 8:46 AM