Huawei S2700 Series - Connecting the Pgnd Cable; Connecting Power Cables

CAUTION
l Do not install power cables on a chassis with power on because this will cause body injuries.
l Do not power on the chassis before you finish installing the chassis and connecting cables.
l Ensure that the PGND cable on the chassis is grounded. The ground point on a network box,
cabinet, or rack must be properly grounded. If the network box, cabinet, or rack has anti-rust
coating, you can scrape off the paint around the ground point to ensure reliable grounding.
Connecting the PGND Cable
Connect the M4 connector of the PGND cable to the chassis chassis and the M6 connector to a
ground point. The PGND cable is in yellow and green.
Connecting Power Cables
l Connect the DC power cable. Connect the positive and negative lines of the DC power
cable to the positive and negative studs on the chassis, as shown in the following figure.
Use screws to fix the OT terminals of the power cable on the chassis. The black line is the
-48 V positive line and must be connected to the RTN(+) stud on the DC power supply.
The blue line is the -48 V negative line and must be connected to the NEG(-) stud on the
on the DC power supply.
l Connect the AC power cable.
S2700&S3700&S5700&S6700 Series Ethernet Switches
Quick Start Guide
2 Device Installation
Issue 12 (2013-07-25) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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