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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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S5731S-S48P4X-A

S5731S-S48P4X-A

Version Mapping

Table 4-1168 lists the mapping between the S5731S-S48P4X-A chassis and software versions.

Table 4-1168 Version mapping

Series

Model

Software Version

S5731S-S

S5731S-S48P4X-A

V200R019C00 and later versions

Appearance and Structure

Figure 4-469 S5731S-S48P4X-A appearance

1

Forty-eight PoE+ 10/100/1000BASE-T ports

2

Four 10GE SFP+ ports

3

One console port

4

One ETH management port

5

One USB port

6

PNP button

NOTICE:

To restore the factory settings and reset the switch, hold down the button for at least 6 seconds.

To reset the switch, press the button.

Resetting the switch will cause service interruption. Exercise caution when you press the PNP button.

7

Ground screw

NOTE:
It is used with a ground cable.

8

Fan module slot 1

NOTE:

Applicable fan module: FAN-023A-B Fan Module

9

Fan module slot 2

NOTE:

Applicable fan module: FAN-023A-B Fan Module

10

Power module slot 1

NOTE:

11

Power module slot 2

NOTE:

-

-

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 4-1169 describes the attributes of a 10/100/1000BASE-T Ethernet electrical port.
Table 4-1169 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+ optical 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 4-1170 describes the attributes of a 10GE SFP+ Ethernet optical port.
Table 4-1170 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

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 4-1171.
Table 4-1171 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

ETH management port

You can connect a switch to a configuration terminal or network management workstation through the ETH management port to configure the switch locally or remotely. The port must use an Ethernet cable. You can choose to download the software package through the ETH management port in the BootLoad menu. File transfer through the ETH management port is faster than transfer through the console port. Table 4-1172 describes the attributes of an ETH management port.
Table 4-1172 Attributes of an ETH management port

Attribute

Description

Connector type

RJ45

Standards compliance

IEEE802.3

Working Mode

10/100/1000 Mbit/s auto-sensing

Maximum transmission distance

100 m

In V200R012C00 and later versions, you can log in to the switch that contains the ETH management port for the first time through the ETH port. For details, see "First Login to a Switch" in the Configuration Guide - Basic Configuration. If you have logged in to the switch for the first time by pressing and holding the MODE button for 6 seconds or longer and save the configuration, the default configuration on the ETH port will be cleared. In this case, you cannot log in to the switch for the first time through the ETH port. You are advised to log in to the switch for the first time through the ETH port.

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 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

NOTE:
Hold down the mode switch button for 6s and release it to start the web initial login mode. Either of the following situations will occur:
  • If the switch has no configuration file, the system attempts to enter the web initial login mode. In this mode, the status of mode indicators is as follows:
    • If the system enters the web initial login mode successfully, all mode indicators turn green and stay on for a maximum of 10 minutes.
    • If the system fails to enter the initial login mode, all mode indicators fast blink for 10 seconds and then restore to the default status.
  • If the switch has a configuration file, the system cannot enter the web initial login mode. In this case, all mode indicators fast blink for 10s, and then return to the default states.
Figure 4-470 Indicators on the S5731S-S48P4X-A
Table 4-1173 Description of indicators on the switch

No.

Indicator

Name

Color

Status

Description

1

PWR1

Power module indicator

-

Off

No power module is available in power module slot 1, or the switch has only one power module but the power module does not work normally.

Green

Steady on

A power module is installed in power module slot 1 and is working normally.

Yellow

Steady on

The switch has two power modules installed. Any of the following situations occurs in power module slot 1:

  • A power module is available in this slot but it is not connected to a power source.

  • The power module in this slot has failed.

2

PWR2

Power module indicator

-

Off

No power module is available in power module slot 2, or the switch has only one power module but the power module does not work normally.

Green

Steady on

A power module is installed in power module slot 2 and is working normally.

Yellow

Steady on

The switch has two power modules installed. Any of the following situations occurs in power module slot 2:

  • A power module is available in this slot but it is not connected to a power source.

  • The power module in this slot has failed.

3

SYS

System status indicator

-

Off

The system is not running.

Green

Fast blinking

The system is starting.

Green

Steady on

During the system startup preparation phase, the SYS indicator is steady green, which lasts for a maximum of 15 seconds.

Green

Slow blinking

The system is running normally.

Red

Steady on

The system does not work normally after registration, or a fan alarm or a temperature alarm has been generated.

4

MST

Stack indicator

-

Off

  • If you are not changing the indicator mode (default): The switch is a standby or slave switch in a stack or the stacking function is not enabled on the switch.
  • If you are changing the indicator mode: The stack mode is not selected.

Green

Steady on

The stack mode is selected. The switch is a standby or slave switch in a stack, and the service port indicators show the stack ID of the switch.

Green

Blinking

  • If you are not changing the indicator mode (default): The switch is the master switch in a stack or a standalone switch with the stacking function enabled.
  • If you are changing the indicator mode: The stack mode is selected. The switch is the master switch in a stack or a standalone switch, and the service port indicators show the stack ID of the master switch. After 45 seconds, the service port indicators automatically restore to the status mode.

5

SPEED

Speed indicator

-

Off

The speed mode is not selected.

Green

Steady on

The speed mode is selected, and service port indicators show the speed of each port.

6

PoE

PoE indicator

-

Off

The PoE mode is not selected.

Green

Steady on

The PoE mode is selected, and service port indicators show the PoE status of each port.

7

MODE

Mode switch button

-

-

  • When you press this button once, the service port indicators change to the stack mode and show the stack ID of the local switch.
  • When you press this button a second time, the service port indicators change to the speed mode and show the speed of each service port.
  • When you press this button a third time, the service port indicators change to the PoE mode and show the PoE status of each service port.
  • When you press the button a fourth time, the service port indicators restore to the default mode and show the connection status and link activity of each service port.

If you do not press the MODE button within 45 seconds, the service port indicators restore to the default mode. In this case, the SPEED and PoE indicators are off.

ID

ID indicator

NOTE:

The mode switch button has an ID indicator.

-

Off

The ID indicator is not used (default state).

Blue

Steady on

The indicator identifies the switch to maintain. The ID indicator can be turned on or off remotely to help field engineers find the switch to maintain.

8

-

Service port indicator

Meanings of service port indicators vary in different modes. For details, see Table 4-1174.

9

ETH

ETH port indicator

-

Off

The ETH port is not connected.

Green

Steady on

The ETH port is connected.

Green

Blinking

The ETH port is sending or receiving data.

10

-

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 a 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.

Table 4-1174 Description of service port indicators in different modes

Display Mode

Color

Description

Default mode

Green

  • Off: The port is not connected or has been shut down.
  • Steady on: A link has been established on the port.

  • Blinking: The port is sending or receiving data.

MST stack mode

Green

  • Off: Port indicators do not show the stack ID of the switch.
  • Steady on:

    The switch is not the master switch in a stack.
    • If the indicator of a port is steady on, the number of this port is the stack ID of the switch.

    • If the indicators of ports 1 to 9 are steady on, the stack ID of the switch is 0.

  • Blinking:

    The switch is the master switch in a stack.
    • If the indicator of a port is blinking, the number of this port is the stack ID of the switch.

    • If the indicators of ports 1 to 9 are blinking, the stack ID of the switch is 0.

Speed mode

Green

  • Off: The port is not connected or has been shut down.
  • Steady on:

    10M/100M/1000M port: The port is operating at 10 Mbit/s or 100 Mbit/s.

    1000M/10GE port: The port is operating at 1000 Mbit/s.

  • Blinking:

    10M/100M/1000M port: The port is operating at 1000 Mbit/s.

    1000M/10GE port: The port is operating at 10 Gbit/s.

PoE mode

Green

  • Off: The port is not providing power to a powered device (PD).
  • Steady on: The port is providing power to a PD.

  • Blinking: The power of the PD connected to the port exceeds the power capacity of the port or the power threshold configured on the port. Alternatively, the PD does not comply with IEEE standards.

Power Supply Configuration

The S5731S-S48P4X-A is a PoE switch. It has two power module slots, each of which can have a 1000 W PoE power module installed. Table 4-1175 lists its power supply configurations.

Table 4-1175 Power supply configurations

Power Module 1

Power Module 2

Available PoE Power

Maximum Number of Ports (Fully Loaded)

1000 W (220 V)

760 W

  • 802.3af (15.4 W per port): 48
  • 802.3at (30 W per port): 25

1000 W (110 V)

665 W

  • 802.3af (15.4 W per port): 43
  • 802.3at (30 W per port): 22

1000 W (220 V)

1000 W (220 V)

1600 W

  • 802.3af (15.4 W per port): 48
  • 802.3at (30 W per port): 48

1000 W (110 V)

1000 W (110 V)

1520 W

  • 802.3af (15.4 W per port): 48
  • 802.3at (30 W per port): 48
NOTE:
When a switch has two power modules installed, the two power modules work in redundancy mode to provide power for the chassis and in load balancing mode to provide power for PDs.
Figure 4-471 shows the power supply mode of dual AC PoE power modules (PWR1 and PWR2). After AC power is transmitted to the PWR modules, the PWR modules provide 56 V outputs. The outputs are combined on the motherboard, which then provides 12 V voltage for the switch and 56 V voltage for the PDs.
Figure 4-471 Power supply by dual AC PoE power modules

L: live wire

N: neutral wire

PGND: protection ground

GND: 12 V reference ground

RTN: 56 V reference ground

Heat Dissipation

The S5731S-S48P4X-A uses pluggable fan modules for forced air cooling. Air flows in from the front side and exhausts from the rear panel.

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

Technical Specifications

Table 4-1176 lists technical specifications of the S5731S-S48P4X-A.

Table 4-1176 Technical specifications

Item

Description

Memory (RAM)

4 GB

Flash

1 GB in total. To view the available flash memory size, run the display version command.

Mean time between failures (MTBF)

54.96 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)

  • Basic dimensions (excluding the parts protruding from the body): 43.6 mm x 442.0 mm x 420.0 mm (1.72 in. x 17.4 in. x 16.5 in.)
  • Maximum dimensions (the depth is the distance from ports on the front panel to the handle on the rear panel): 43.6 mm x 442.0 mm x 448.0 mm (1.72 in. x 17.4 in. x 17.7 in.)

Weight (with packaging)

9.9 kg (21.83 lb)

Stack ports

10GE SFP+ ports on the front panel

RTC

Supported

RPS

Not supported

PoE

Supported

Rated voltage range

  • AC input: 100 V AC to 130 V AC, 200 V AC to 240 V AC, 50/60 Hz
  • High-Voltage DC input: 240 V DC

Maximum voltage range

  • AC input: 90 V AC to 290 V AC, 45 Hz to 65 Hz
  • High-Voltage DC input: 190 V DC to 290 V DC

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

  • Not providing the PoE function: 132 W
  • 100% PoE loads: 1750 W (PoE: 1440 W)

Typical power consumption (30% of traffic load, tested according to ATIS standard)

108 W

Operating temperature

-5°C to +45°C (23°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.).

The switch cannot be started when the ambient temperature is lower than 0°C (32°F).

Storage temperature

-40°C to +70°C (-40°F to +158°F)

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

< 62.3 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

02353AJH

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Updated: 2019-08-19

Document ID: EDOC1000013597

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