Huawei S1720 Series Hardware Description

Figure 6-15 Appearance of a -48 V power cable
NOTE
A -48 V power return cable is black and is connected to the RTN(+) terminal of the DC power supply. A
-48 V power cable is blue and is connected to the NEG(-) terminal of the DC power supply.
Connection
A DC power cable is connected to a DC power module with OT terminals as follows:
l The OT terminal is connected to the input port on the DC power module of the device.
l The cord end terminal is connected to an external power module.
6.5 DC Power Cable (Quick-Connect Cord End Terminal)
Appearance and Structure
Figure 6-16 shows the appearance of a DC power cable.
S6700 Series Ethernet Switches
Hardware Description
6 Cables
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Huawei S1720 Series Specifications

General

Operating Humidity	5% to 95% (non-condensing)
Uplink Ports	4 x GE combo ports
VLANs	4094
Power Supply	AC 100-240V, 50/60Hz
Layer 2 Features	VLAN
Layer 3 Features	Static routing
Management	SNMP
Operating Temperature	0°C to 45°C
Storage Temperature	-40°C to +70°C
Dimensions (W x D x H)	442 mm x 220 mm x 43.6 mm