H3C Technologies H3C MSR 30 - Manual (Page 37)

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Figure 25 Power socket on DC-powered routers
(1) Power switch (2) DC input
Connecting the DC power cord
Figure 26 Sketch map of DC power cord
Table 22 Connection of the DC power cord between the DC power supply and the router
–48 VDC power supply Router
X2 (–48 VDC connector, blue) X1.A1
X3 (BGND connector, black) X1.A3
Step1 Make sure that the PGND is properly grounded to the earth.
Step2 Insert one end of the DC power cord accompanying the router into the power socket on the chassis rear
panel. Then connect the other end of the power cord (with a PGND connector and a –48 VDC connector)
to a –48 VDC power supply.
WARNING!
When connecting the DC power cord, notice the labels on the power cord to avoid wrong connection.
Step3 Check the POWER LED on the front panel of the router. ON indicates correct connection.
Connecting the RPS Power Cord
All models of the MSR 30-20/30-40/30-60 and the PoE model of the MSR 30-16 offer remote power
supply (RPS) support. As an external power supply, RPS can provide power supply for the device in case
of power module abnormality. It enhances the reliability of the device. Follow these steps to install the RPS
power cord: