Install Grounding On Multiple 19" Chassis (Optional) - NEC Univerge SV9100 Hardware Manual

Issue 1.2
3 - 14
a cold water pipe).
1.1.4

Install Grounding on Multiple 19" Chassis (Optional)

From the factory, the SG, ETH and PBXG grounds are located inside the
chassis and are connected to the FG ground (frame ground) on the back of
the chassis.
Each chassis (CHS2UG) in the system must be grounded separately using
the procedure listed below.
1. Ensure all Controlling and Expansion Chassis are powered down and
unplugged.
2. Ground each chassis by connecting a 14 AWG wire from the FG lug
on the back side of the chassis to an electrical service ground (such as
a cold water pipe). Refer to
(Multiple-Chassis) on page 3-15
Figure 3-22 Chassis Grounding Lug
CHS2UG
Figure 3-23 19" Chassis Grounding Lug
for grounding illustration.
UNIVERGE SV9100
FG Lug
Installing the SV9100 Chassis