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6 connecting to ac utility/ ac grounding, 7 initial start-up, 8 powering on the device – 3Com External PoE Power System PSE2500-A3 User Manual

Page 28: 6 connecting to ac utility/ ac grounding -7, 7 initial start-up -7, 8 powering on the device -7

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User Manual
PSE2500-A3 External PoE
Power System

Chapter 4 Installation and

Debugging

4-7

4.6 Connecting to AC utility/ AC grounding

The AC main inputs can be accessed from the back of the unit.

Recommended IEC 320C-19 plug/socket and appropriate cable for

AC input connection.

AC cable for branch circuit must be sized as required by the U.S.

National Electric Code (the cable length shall be minimum 1.5m and

not exceed 4.5m) and /or local codes.

Power plugs for the equipment appliance inlet must be plugged

into independent wall socket outlet to ensure the earth connection

through the supply. The socket outlet shall be installed near the

equipment and shall be easily accessible.

The AC utility connection must follow this procedure:

1)

Turn off the AC input switch.

2) Plug the AC input power cord into the corresponding AC

socket.

For related connection position see figure 4-4.

4.7 Initial Start-up

The device is ready to be powered up. First, verify that all AC

branch circuit breakers are OFF.

4.8 Powering on the Device

z

Ensure that all rectifiers are locked into position in the

bracket with the front handle.

z

Turn the AC service circuit breakers ON.

z

Turn the AC branch circuit breakers ON.

1)

Turn the AC switches of rectifiers ON.