H3C LS-3100-16TP-EI-H3-A-O Installation Manual page 66

Installation Manual
H3C S3100 Series Ethernet Switches
Caution:
Before powering on the switch, you should properly connect the grounding cable.
The DC power cable should be less than 3 meters long.
II. DC power cable connection for S3100-26TP-PWR-EI Ethernet switch
＋ － NULL ＋ － NULL
+: Working ground
Figure 3-22 RPS DC power socket for S3100-26TP-PWR-EI Ethernet switch
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) Assemble the DC power connector as follows:
Figure 3-23 RPS DC power connector
As shown in Figure 3-23, pass the two power cables through the air filter, insert
them into the corresponding holes, and tighten them with screw 1 and screw 2.
The positive and negative poles of the power cables must correspond to the
silkscreen above the holes.
Use a flat-blade screwdriver to fix the air filter on the connector with screw 3 and
screw 4, as shown in Figure 3-23.
–: Voltage input (–52 VDC to –56 VDC)
3-19
Chapter 3 Installation
NULL: Reserved