Juniper EX9214

Table 59: Special Instrucons to Follow Before Connecng Earth Ground to an EX Series Switch
(Connued)
Switch Special Instrucons
EX4200, EX4500,
and EX4550
If you plan to mount your switch on four posts of a rack or cabinet, mount your switch in
the rack or cabinet before aaching the grounding lug to the switch.
NOTE: The protecve earthing terminal on switches mounted on four posts of a rack is
accessible through the slot on the le rear bracket only if the rack is 27.5 in. (69.85 cm)
through 30.5 in. (77.47 cm) deep for a switch mounted ush with the rack front and
29.5 in. (74.93 cm) through 32.5 in. (82.55 cm) deep for a switch mounted 2 in. (5.08 cm)
recessed from the rack front. See Figure 51 on page 173.
Figure 51: Connecng the Grounding Lug to a Switch Mounted on Four Posts of
a Rack
1—
Protecve earthing terminal
3—
Grounding lug
2—
Side mounng-rail
4—
Rear mounng-blade
NOTE: The brackets must be aached to the chassis before the grounding lug is aached.
(The brackets are shown pulled away from the chassis so that the protecve earthing
terminal is seen.)
Connecng Earth Ground to an EX Series Switch
To connect earth ground to an EX Series switch:
1. Verify that a licensed electrician has aached the cable lug to the grounding cable.
173