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S5700 Series Switches Hardware Description

This document provides an overall description of the S5700 hardware, helping you obtain detailed information about each chassis, card, power module, fan module, cable, and optical module.
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S5720-50X-EI-46S-DC

S5720-50X-EI-46S-DC

Version Mapping

Table 4-928 lists the mapping between the S5720-50X-EI-46S-DC chassis and software versions.

Table 4-928  Version mapping

Series

Model

Software Version
S5720-EI S5720-X-EI S5720-50X-EI-46S-DC

V200R009C00 and later versions

Appearance and Structure

Figure 4-370  S5720-50X-EI-46S-DC appearance
1 One console port
NOTE:
It is used with a console cable. The console cable is not delivered with the switch and needs to be separately purchased if needed.
2 One USB port
3 Forty-six 100/1000BASE-X ports 4 Four 10GE SFP+ ports
5 DC power terminal
NOTE:

It is used together with a DC Power Cable.

6 Ground screw
NOTE:
It is used with a ground cable.
7 Two QSFP+ stack optical ports
Applicable modules and cables:
8 RPS socket
NOTE:

It is used with an RPS cable, which is not hot swappable.

Port Description

100/1000BASE-X port
A 100/1000BASE-X port can send and receive data at 100 Mbit/s or 1000 Mbit/s. Table 4-929 describes the attributes of a 100/1000BASE-X port.
Table 4-929  Attributes of a 100/1000BASE-X port

Attribute

Description

Connector type

LC/PC

Optical interface attributes

Depend on the optical module used

Standards compliance

IEEE802.3z

Working mode

100/1000 Mbit/s auto-sensing

10GE SFP+ port
A 10GE SFP+ Ethernet optical port supports auto-sensing to 1000 Mbit/s. It sends and receives service data at 1000 Mbit/s or 10 Gbit/s. Table 4-930 describes the attributes of a 10GE SFP+ Ethernet optical port.
Table 4-930  Attributes of a 10GE SFP+ port

Attribute

Description

Connector type

LC/PC

Optical port attributes

Depend on the optical module used

Standards compliance

IEEE802.3ae

Working mode

GE/10GE auto-sensing

QSFP+ stack optical port
QSFP+ stack optical ports can only be used for stack connection. Table 4-931 describes the attributes of a QSFP+ stack optical port.
Table 4-931  Attributes of a QSFP+ stack optical port

Attribute

Description

Connector type

MPO

Optical port attributes

Depend on the optical module used

Standards compliance

IEEE802.3ae

Console port
The console port is connected to a console for on-site configuration. The port must use a console cable. The console port is used when a switch is powered on for the first time. For details about the attributes of a console port, see Table 4-932.
Table 4-932  Attributes of a console port

Attribute

Description

Connector type

RJ45

Standards compliance

RS-232

Working mode

Duplex Universal Asynchronous Receiver/Transmitter (UART)

Baud rate

9600 bit/s, 19200 bit/s, 38400 bit/s, 57600 bit/s, or 115200 bit/s

Default value: 9600 bit/s

USB port
The USB port can have a USB flash drive connected to upgrade the switch, or transfer configuration files or other files. The USB port of the S5720-EI does not support USB 1.1 and can only connect to a USB flash drive that complies with USB 2.0.
NOTE:
USB flash drives from different vendors differ in model compatibility and drivers. If a USB flash drive cannot be used, try to replace it with another one from a mainstream vendor. Switches support a maximum of 128 GB USB flash drives.

Indicator Description

The S5720-50X-EI-46S-DC has 46 downlink optical port indicators, whereas the S5720-50X-EI-AC has 46 downlink electrical port indicators. Symbols and meanings of other indicators on the two switch models are the same. For details, see Indicator Description.

Power Supply Configuration

The S5720-50X-EI-46S-DC has a built-in power module and does not support pluggable power modules. It can connect to an RPS1800 power supply for power redundancy.

Figure 4-371 shows the power supply mode of a single DC power module. The built-in DC power module (PWR) receives DC power from an external power source and provides a 12 V output to the chassis.
Figure 4-371  Power supply by a single DC power module

NEG: negative cable

RTN: positive cable

GND: 12 V reference ground

Heat Dissipation

The S5720-50X-EI-46S-DC has two built-in fans for forced air cooling. Air flows in from the left side and front panel, and exhausts from the right side.

NOTE:
This figure only shows the airflow direction and does not depict the actual device.

Technical Specifications

Table 4-933 lists technical specifications of the S5720-50X-EI-46S-DC.

Table 4-933  Technical specifications

Item

Description

Memory (RAM)

2 GB

Flash

512 MB in total. To view the available flash memory size, run the display version command.

Mean time between failures (MTBF)

67.59 years

Mean time to repair (MTTR)

2 hours

Availability

> 0.99999

Service port surge protection

NA

Power supply surge protection

±1 kV in differential mode, ±2 kV in common mode

Dimensions (H x W x D)

43.6 mm x 442.0 mm x 220.0 mm (1.72 in. x 17.4 in. x 8.7 in.)

Weight (with packaging)

4.8 kg (10.59 lb)

Stack ports

  • Two fixed QSFP+ stack ports on the rear card

RTC

Supported

RPS

Supported

PoE

Not supported

Rated voltage range

-48 V DC to -60 V DC

Maximum voltage range

-36 V DC to -72 V DC

Maximum power consumption (100% throughput, full speed of fans)

81.5 W

Typical power consumption (30% of traffic load)
  • Tested according to ATIS standard
  • EEE enabled
  • No PoE power consumption

73.75 W

Operating temperature

0°C to 45°C (32°F to 113°F) at an altitude of 0-1800 m (0-5906 ft.)
NOTE:

When the altitude is 1800-5000 m (5906-16404 ft.), the highest operating temperature reduces by 1°C (1.8°F) every time the altitude increases by 220 m (722 ft.).

Storage temperature

-40°C to +70°C (-40°F to +158°F)

Noise under normal temperature (27°C, sound power)

< 51.1 dB(A)

Relative humidity

5% to 95%, noncondensing

Operating altitude

0-2000 m (0-6562 ft.)

Certification

  • EMC certification
  • Safety certification
  • Manufacturing certification

Part number

02350NHF
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Updated: 2019-06-21

Document ID: EDOC1000013597

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