Huawei S37/27 500W AC 02130879 ユーザーズマニュアル

製品コード

02130879

4.1 DC Power Cables

A DC power cable transmits DC power to the switch.

Applications

A DC power cable connects the following two interfaces:

Input power jack on the chassis

Output power interface on an external power system

NOTE

A black -48 V DC power return wire (RTN) is connected to the RTN(+) end of the DC power supply. A
blue -48 V DC power cable is connected to the NEG(-) end of the DC power supply.

Appearance and Structure

The black -48 V DC power return wire and the blue -48 V DC power cable are shown in

Figure

4-1

and

Figure 4-2

Figure 4-1 -48 V DC power return wire

Quidway S3700 Series Ethernet Switches
Hardware Description

4 Cables

Issue 03 (2012-07-20)

Huawei Proprietary and Confidential