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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-AC

S5720-50X-EI-AC

Version Mapping

Table 4-909 lists the mapping between the S5720-50X-EI-AC chassis and software versions.

Table 4-909 Version mapping

Series

Model

Software Version
S5720-EI S5720-X-EI S5720-50X-EI-AC

V200R007C00 and later versions

NOTE:
This model does not match V200R007C10.

Appearance and Structure

Figure 4-363 S5720-50X-EI-AC 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 10/100/1000BASE-T ports 4 Four 10GE SFP+ ports
5 AC socket
NOTE:

It is used with an AC 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

10/100/1000BASE-T port
A 10/100/1000BASE-T Ethernet electrical port sends and receives service data at 10/100/1000 Mbit/s, and must use an Ethernet cable. Table 4-910 describes the attributes of a 10/100/1000BASE-T Ethernet electrical port.
Table 4-910 Attributes of a 10/100/1000BASE-T Ethernet electrical port

Attribute

Description

Connector type

RJ45

Standards compliance

IEEE802.3, IEEE802.3u, IEEE802.3ab

Working mode

10/100/1000 Mbit/s auto-sensing

Maximum transmission distance

100 m

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 4-911 describes the attributes of a 10GE SFP+ Ethernet optical port.
Table 4-911 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 4-912 describes the attributes of a QSFP+ stack optical port.
Table 4-912 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 4-913.
Table 4-913 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

Figure 4-364 Indicators on the S5720-50X-EI-AC

Table 4-914 Description of indicators on the switch
No. Indicator/Button Name Color Status Description
1 SYS System status indicator - Off The system is not running.
Green Fast blinking The system is starting.
Green Slow blinking The system is running normally.
Red Steady on The system does not work normally after registration, or a fan alarm or temperature alarm has been generated.
2 - USB-based deployment indicator - Off
  • No USB flash drive is connected to the switch.
  • The USB port is damaged.
  • The indicator is damaged.
  • The USB flash drive does not have any configuration file and cannot be used for deployment.
  • The switch has been upgraded using the USB flash drive and is restarting.
Green Steady on A USB-based deployment has been completed.
Green Blinking The system is reading data from the USB flash drive.
Yellow Steady on The switch has copied all the required files and completed the file check. The USB flash drive can be removed from the switch.
Red Blinking An error has occurred when the system is executing the configuration file or reading data from the USB flash drive.
3 - Service port indicator (one indicator for each port) - Off The port is not connected or has been shut down.
Green Steady on The port is connected.
Green Blinking The port is sending or receiving data.
4 - Service port indicator (two indicators for each port) - Off The port is not connected or has been shut down.
Green Steady on The port is connected.
Yellow Blinking The port is sending or receiving data.

Power Supply Configuration

The S5720-50X-EI-AC 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 4-365 shows the power supply mode of a built-in AC power module. The built-in AC power module (PWR) receives power from an external power source and provides a 12 V output to the chassis.
Figure 4-365 Power supply mode of a built-in AC power module

L: live wire

N: neutral wire

PGND: protection ground

GND: 12 V reference ground

Heat Dissipation

The S5720-50X-EI-AC has a built-in fan 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 4-915 lists technical specifications of the S5720-50X-EI-AC.

Table 4-915 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)

74.31 years

Mean time to repair (MTTR)

2 hours

Availability

> 0.99999

Service port surge protection

Common mode: ±6 kV

Power supply surge protection

±6 kV in differential mode, ±6 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)

4.9 kg (10.81 lb)

Stack ports

  • Two fixed QSFP+ stack ports on the rear card

RTC

Supported

RPS

Supported

PoE

Not supported

Rated voltage range

100 V AC to 240 V AC, 50/60 Hz

Maximum voltage range

90 V AC to 264 V AC, 47 Hz to 63 Hz

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

55.3 W

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

47.45 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)

< 49.3 dB(A)

Relative humidity

5% to 95%, noncondensing

Operating altitude

0-5000 m (0-16404 ft.)

Certification

  • EMC certification
  • Safety certification
  • Manufacturing certification

Part number

02359592
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Updated: 2019-08-19

Document ID: EDOC1000013597

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