Nortel 7400 Hardware Installation page 81

Figure 19
Floor space requirements for a seismic cabinet
Seismic protection
Seismic protection features described in this section meet the Zone 4 seismic
requirements of Telcordia NEBS GR-63-CORE.
To provide seismic protection for your device, you must anchor the cabinet to
the floor using either an outside-mount anchoring kit or an inside-mount
anchoring kit. You must also install seismic hardware inside the cabinet.
Multiservice Switch 7400 Hardware Installation, Maintenance, and Upgrade 6.1S2
Chapter 7 Multiservice Switch 7480 installation 81
31 in.
(80 cm)
°
175
24 in.
(60 cm)
°
175
36 in.
(90 cm)
a minimum service
clearance of 24 in.
(60 cm) is required