3Com 3C13840, 3C13880 3.6 Connecting the Power Cord

3Com Router 6000 Family
Installation Manual
Chapter 4
Starting and Configuring the Route
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3Com Corporation
3-4
electromagnetic interference (EMI). The PGND also protects the system against the high
voltage of lightning shocks caused by external network lines like E1/T1 and ISDN/PSTN lines.
(1)
1) Grounding screw
Figure 3-3 PGND screw on the chassis
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.
3.6 Connecting the Power Cord
Both AC-powered and DC-powered models are available with the Router 6000. Except for the
PSU type, they have the same features and functions.
3.6.1 Connecting the AC-Input Power Cord
I. AC-input power supply
AC input range: 100 to 240 VAC, 50 to 60 Hz.
The following figure shows the power socket on an AC-powered router.