Connecting Dc Power Cable - H3C LS-3100-16TP-EI-H3-A-O Installation Manual

Installation Manual
H3C S3100 Series Ethernet Switches

3.3.2 Connecting DC Power Cable

I. DC power cable connection for S3100-C-SI/S3100-TP-EI DC-powered
Ethernet switch
(1) Screw 1
(3) RTN (+) terminal
(5) Grounding screw
Figure 3-21 DC input terminal block of S3100-C-SI/S3100-TP-EI DC-powered
Ethernet switch
Note:
The location of the DC input terminal block varies with devices.
2) Connect one end of the grounding cable (delivered with the switch) to the
grounding screw and the other end to the ground nearby.
3) Use a flat-blade screwdriver to loosen the two screws on the DC input terminal
blocks. Connect the power ground return cable to the RTN(+) terminal and the
power output cable to the NEG(-) terminal. Tighten the two screws respectively to
fix the power cables.
4) Check whether the PWR LED on the front panel of the switch is ON. If yes, the
power is properly connected.
(2)
(1)
(3)
(4)
(5)
3-18
(2) Screw 2
(4) NEG(-) terminal (–48 V to –60 V)
Chapter 3 Installation