Huawei Quidway AR 28 Series Installation Manual page 47

Quidway AR 28 Series Routers Installation Manual
1) Power switch
Figure 4-6 DC-input power socket on the AR 28-12/28-13/28-14
II. Connecting the DC-input power cord
A DC-input power cord is made up of one –48 V blue power cord and one black PGND
wire.
1) Main label
Figure 4-7 DC-input power cord for the AR-28-10/28-11
Figure 4-8 DC-input power cord for the AR 28-12/28-13/28-14
Follow these steps to connect the DC-input power cord:
1) Check that the PGND is securely connected to the earth ground.
2) Check that the power switch of the router is placed in the OFF position. Then,
connect one end of the DC-input power cord (including DC PGND connector and
–48V power cord connector) to the power socket on the router chassis, and the
other end (including DC PGND connector and –48V power cord connector) to the
–48 VDC power source.
TO BGND (1) TO BGND
TO -48V (1)
Huawei Technologies Proprietary
Chapter 4 Installation of the Router
2) DC input receptacle
TO -48V
4-7