Connecting The Dc Power Cables - H3C S7500 Series Installation Manual

Installation Manual
H3C S7500 Series Ethernet Switches
1) Plug one end of the supplied AC power cord into the power socket on the switch
and secure the bail latch over the power cord to prevent a falloff.
2) Plug the other end into the socket strip (with lightning protection). Connect the strip
to the AC power source in the room.
Note:
The AC power socket strip with lightning protection is not delivered with the switch and
is user-suuplied.
(1) Bail latch
Figure 4-7 Connect the power cord of the S7506

4.6.2 Connecting the DC Power Cables

Caution:
Power off all power to the switch before connecting DC power cables.
Follow these steps to connect the DC power cables:
1) Loosen the screws and remove the cover from the terminal posts on the DC power
distribution box.
2) Use a socket screwdriver to loosen the nuts on the terminals.
3) Connect the –48V terminal of the supplied blue DC power cable to the terminal
marked with -48V and fasten the nut with the socket screwdriver.
4) Connect the GND terminal of the supplied black DC power cable to the RTN
terminal and fasten the nut with the socket screwdriver.
5) Cover the terminal posts and fasten the screws.
6) Connect the other ends of the DC power cables to the DC power supply.
(2) Grounding screw
4-7
Chapter 4 Hardware Installation
(3) Power socket