User manual

4. Press down on the left and right side latches and pull the server out of the rack
enclosure until both slide rails lock.
Note: You can reach the cables on the rear of the server when the server is in
the locked position.
The following illustration shows how to remove the cover.
5. Press the blue latch 1 on the end of the cover-release latch 4 and lift the
cover-release latch 2. Slide the cover forward 3 and lift the cover off the
server. Set the cover aside.
Attention: For proper cooling and airflow, replace the cover before you turn on
the server. Operating the server for extended periods of time (over 30 minutes) with
the cover removed might damage server components.
Internal cable routing and connectors
The following illustration shows the internal routing and connectors for the two SAS
signal cables (in server models with eight SAS drive bays).
Notes:
1. To connect the SAS signal cables, make sure that you first connect the signal
cable, and then the power cable and signal cable.
2. To disconnect the SAS signal cables, make sure that you first disconnect the
power cable, and then the signal cable and configuration cable.
38 ThinkServer RD220 Types 3729, 3779, 3797, and 3798: Installation and User Guide