4.5.3 Mounting the server in the rack
4.5.3.1 Seating the server on the rack rails
V CAUTION!
At least two people are needed to position the server on the rack rails. 
(For the Japanese market, please refer to " 安全上のご注意 ".)
Additionally, a lifter is required in the following cases:
– The server weighs more than 50 kg.
– The server weighs more than 21 kg and is to be installed above the 
height of 25 U.
When using a lifter, this installation procedure needs to be carried out by 
maintenance personnel.
I Refer to the rack cabinet manuals for more detailed information on other 
support systems.
For configurations below 32 kg:
At least two people are needed to lift the server 
into the rack cabinet.
For configurations below 55 kg:
At least three people are needed to lift the server 
into the rack cabinet.
For configurations above 55 kg:
At least four people are needed to lift the server 
into the rack cabinet.