STATUS
-48— -60V;6A
OFF
ON
PWR150D
RTN(+)NEG(-)
b. Use the Phillips screwdriver to remove the screws on the two DC terminals.
STATUS
-48— -60V;6A
OFF
ON
PWR150D
RTN(+)NEG(-)
c. Secure the DC power cables to the DC power module with the screws you removed
in step b.
Ensure the correct polarity of connected cables. If you use DC power cables
delivered from Huawei, connect the -48 V return ground cable (black) to the
RTN(+) terminal, and connect -48 V power cable (blue) to the NEG(-) terminal.
STATUS
-48— -60V;6A
OFF
ON
PWR150D
RTN(+)NEG(-)
d. Install the protective cover and fasten the screw.
STATUS
-48— -60V;6A
OFF
ON
PWR150D
RTN(+)NEG(-)
l To connect DC power cables to a 350 W or 650 W DC power module, insert the DC
power cable plug into the power sockets on the DC power module. Ensure that the
S2700&S3700&S5700&S6700 Switch
Hardware Installation and Maintenance Guide
7 Connecting a Switch
Issue 13 (2017-11-20) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
55