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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

Juniper EX9214 Hardware Guide

Other manuals for Juniper EX9214