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3Com Router 6000 Family
Installation Manual
Chapter 4
Starting and Configuring the Route
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3Com Corporation
3-5
(1)
(2) (3)
1) Cable-retention clip 2) Power switch 3) AC input
Figure 3-4 AC-input power socket
II. AC power socket (recommended)
You are recommended to use a three-terminal single-phase power socket with ground contact,
which must be grounded reliably. Normally, the ground contact of the power supply system in a
building was buried during construction and cabling. Still, before connecting the AC-input
power cord, you must make sure that the power supply of the building is well grounded.
III. Connecting the AC-input Power Cord
Step 1: Check that the PGND is securely connected to the earth ground.
Step 2: Insert one end of the power cord accompanying the router into the power socket on the
chassis rear panel, and fix the cable onto the cable-retention clip with a cable strap. Connect
the other end of the cable to an AC power source at your installation site.
Step 3: Check that the PWR LED on the front panel of the router is on for correct connection.
3.6.2 Connecting the DC-Input Power Cord
I. DC-input power supply
DC input range: -48 to -60 VDC
The following figure shows the power socket on a DC-input router.
(1)
(2)
1) Power switch 2) DC input
Figure 3-5 DC-input power socket