Grounding Requirements; Installation Tools - H3C UniServer R6900 G3 User Manual

Table 2-3 Harmful gas limits in an equipment room
Gas
SO
2
H S
2
NO
2
NH
3
Cl
2

Grounding requirements

Correctly connecting the server grounding cable is crucial to lightning protection, anti-interference,
and ESD prevention. The server can be grounded through the grounding wire of the power supply
system and no external grounding cable is required.

Installation tools

Table 2-4 lists the tools that you might use during installation.
Table 2-4 Installation tools
Picture
Maximum concentration (mg/m
0.2
0.006
0.04
0.05
0.01
Name
T25 Torx screwdriver
T30 Torx screwdriver
(Electric screwdriver)
T15 Torx screwdriver
(shipped with the server)
T10 Torx screwdriver
(shipped with the server)
Flat-head screwdriver
Phillips screwdriver
Cage nut insertion/extraction
tool
Diagonal pliers
Tape measure
Description
For captive screws inside chassis ears.
For captive screws on processor heatsinks.
For replacing the management module.
For screws on PCIe modules.
For replacing processors or the management module.
For screws on PCIe M.2 SSDs.
For insertion and extraction of cage nuts in rack posts.
For clipping insulating sleeves.
For distance measurement.
2-4
3
)