H3C S5500-28C-EI Installation Manual page 55

Installation Manual
H3C S5500-EI Series Ethernet Switches
＋ － NULL ＋ － NULL
+: –48V return terminal
Figure 3-22 Appearance of the 48V RPS port
1) Connect one end of the grounding cable (delivered with the switch) to the
grounding screw on the rear panel and the other end to the ground nearby.
2) Connect one connector to the RPS port on the switch and use a small flat-blade
screwdriver to fix the connector with two screws (delivered with the switch), as
shown in Figure 3-23.
Figure 3-23 Connect the 48V RPS connector to the chassis
3) Check whether the RPS LED on the front panel of the switch is ON. If the LED is
ON, the 48V RPS is properly connected.
Caution:
Make sure that the grounding cable has been properly connected before powering
on the switch.
The length of the DC power cable must be less than 3 m (9.8 ft).
III. Connecting the DC power cable of the S5500-28F-EI and S5500-28C-EI-DC
The S5500-28F-EI and S5500-28C-EI-DC use the 48V RPS, whose input voltage is in
the range of –48 V to –60 V.
–: Negative terminal (–52 VDC to -55 VDC)
of the RPS DC power
3-15
Chapter 3 Installation
NULL: Reserved