Connecting The Ground Wire; Connecting Power Cords; Installing The Fan Assembly - 3Com Switch 7700 Installation Manual

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I N S T A L L I N G

H A R D W A R E

7. Fasten the module's captive mounting screws into the holes in the chassis with a screwdriver

5.3. Connecting the Ground Wire

Generally, the cabinet has a grounding bar. The ground wire of the switch can be connected to the grounding bar of

the cabinet.

To connect the ground wire:

1. Remove the screw from the grounding hole in the switch chassis.

2. Set the ground wire connector around the grounding screw.

3. Fasten the grounding screw in the hole on the chassis.

4. Connect the other end of the ground wire to the grounding bar of the switch.

Warning:

For the safety of personnel and equipment, the switch must be well grounded. The resistance

between switch chassis and the ground should be less than 1 ohm.

To connect the AC power cord:

1. Plug the AC power cord into the socket in the switch and hook the cord plug.

2. Plug the other end into a socket strip with surge protector. Connect the strip to the AC power source in

the room, as shown in Figure 15.

Figure 15 AC power cord connection

Mousing-hook

Warning:

For surge protection, the AC power should be led through an external protection device into the

Switch 7700.

1. Wear the anti-static wrist strap and take out the fan frame from the pack.

Grounding screw

AC power socket

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