Installation Manual
H3C S7500 Series Ethernet Switches
Chapter 4 Hardware Installation
4-17
z
Fix hard cables in a place near to the cable terminal studs to free the terminal
studs and cables from stress.
z
Do not use self-tapping screw to fasten cabling terminal studs.
z
Bind the same type of cables in the same direction together by reference to Table
4-4 and keep the cable bundle clean and straight.
Table 4-4
Recommendations on cable tie binding
Cable bundle diameter
Spacing between cable ties
10 mm (0.4 in.)
80 mm to 150 mm (3.1 in. to 5.9 in.)
10 mm to 30 mm (0.4 in. to 1.2 in.)
150 mm to 200 mm (5.9 in. to 7.9 in.)
30 mm (1.2 in.)
200 mm to 300 mm (7.9 in. to 11.8 in.)
z
Do not knot any cable when running or tying cables.
z
Do not expose the metal part of crimping cold-pressed terminal blocks (such as air
switch).
4.10 Checking the Installation
Caution:
Before check, turn off the power supply to avoid bodily injury or device damage due to
improper connection.
After the installation, check whether the items listed Table 4-5 are normal.
Table 4-5
Installation checklist
Item
Normal
Abnormal (Remarks)
ESD-preventive wrist strap
Console cable
Grounding cable
Power cable
SRPU
LPU
Fan tray
