NEC EXPRESS800 - Manual (Page 57)

Installing Rack Components 5-9
A
B
C
D
E
F
H
G
I
A. Basic Monitoring Port 1
B. Basic Monitoring Port 2
C. Site Wiring Fault Indicator
D. Configuration Button
E. Configuration LED
F. Smart Monitoring Port for Master Server
G. Configuration Switches
H. Status Light
I. Output Power Receptacles
Figure 5-7. Location of UPS Rear Panel Components
9. If you do not have a wiring fault, connect the ground lead of any transient
voltage surge-suppression (TVSS) devices such as telephone and network
line protectors. The TVSS connector provides grounding through the UPS’
power cord ground conductor. This provides protection from damage from
surges transmitted via network and phone cables.