3Com 6000 manual PGND screw on the chassis

Power Cords, Grounds and Cables 25

Figure 13 PGND screw on the chassis

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1) Grounding screw

Connect the PGND to the earth ground using a PGND cable with a grounding resistance less than 5-ohm. If you install the chassis in a 19-inch standard rack, you must also ground the rack.

WARNING: Lightning strikes can damage your router and even the connected devices. For secure lightning protection, make sure that your router has a good ground connection when it is operating.

AC-Input Power Cord AC input range: 100 to 240 VAC, 50 to 60 Hz.

The following figure shows the power socket on an AC-powered router.

Figure 14 AC-input power socket

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(2)(3)

1) Cable-retention clip 2) Power switch 3) AC input