Huawei LampSite Installation Manual page 39

LampSite
Installation Guide
l Ensure proper grounding of the RHUB using a PGND cable.
l When installing the PGND cable, tightly press the OT terminal in the correct direction, as
Figure 4-30 Correct direction of an OT terminal for the PGND cable
Procedure
Step 1 Route the PGND cable by referring to
Step 2 Use a torque screwdriver or Phillips screwdriver to secure the M4 OT terminal at one end of the
PGND cable to the ground screw on the RHUB panel with a torque of 1.4 N•m. If the OT terminal
is a one-hole OT terminal, connect it to the ground screw on the lower part of the RHUB panel,
as shown in
Issue 02 (2014-05-27)
NOTE
l If the PGND cable is provided by the customer, a copper-core cable with a minimum cross-sectional
2
area of 6 mm (0.009 in.
l The OT terminals at both ends of the PGND cable are assembled at the site.
l The M6 OT terminal has the default size. You can replace it with another OT terminal of the expected
size based on the site requirement.
NOTICE
shown in Figure 4-30.
Figure 4-31.
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2
) or 10 AWG is recommended.
4.4.1 Requirements for Cable
4 Installing an RHUB
Layout.
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