ConfigMgr : Download Setup ConfigMgr Updates in Advance for Offline Install
The commands below facilitate deployment of SCCM / ConfigMgr in an offline environment by allowing you to download the setup required updates from another machine.
For SCCM 2007 use the following command to download Setup required SCCM updates to C:\TEMP\: SMSSETUP\BIN\I386\SETUP.EXE" /download C:\TEMP
For ConfigMgr 2010 use the command: SMSSETUP\BIN\x64\SETUP.EXE" /download C:\TEMP