Install Grounding On 19" Chassis; Install Grounding On Multiple 19" Chassis (Optional); Figure 3-22 Chassis Grounding Lug - NEC Univerge SV9100 System Hardware Manual

Issue 3.0
SV9100 System Hardware Manual
3.3.3

Install Grounding on 19" Chassis

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-US) in the system must be grounded separately
using the procedure listed below.
1. Ensure each Chassis is 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).

Figure 3-22 Chassis Grounding Lug

3.3.4

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-US) 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
Lug (Multiple-Chassis) on page 3-20
CHS2UG-US
Figure 3-23 19" Chassis Grounding
FG Lug
for grounding illustration.
3-19