Part Number

02354VBY

Description

S5731-S24N4X2Q-A (24*100M/1G/2.5G Ethernet ports, 4*10GE SFP+ ports, 2*40GE QSFP ports, AC power, front access)

Dimensions without packaging (H x W x D) [mm(in.)]

Basic dimensions (excluding the parts protruding from the body): 43.6 mm x 442.0 mm x 220.0 mm (1.72 in. x 17.4 in. x 8.66 in.)
Maximum dimensions (the depth is the distance from ports on the front panel to the parts protruding from the rear panel): 43.6 mm x 442.0 mm x 236.0 mm (1.72 in. x 17.4 in. x 9.29 in.)

Weight with packaging [kg(lb)]

5.4 kg(lb)

Typical power consumption [W]

106 W

Maximum power consumption [W]

134 W

Memory

2 GB

Flash memory

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

PoE

Not supported

(2)

Four 10GE SFP+ ports

(7)

One PNP button

(3)

Two 40GE QSFP+ ports

(8)

AC socket

(4)

One ETH management port

(9)

Ground screw

(5)

One console port

1

PWR

Power module indicator

-

Off

The switch is powered off.

Green

Steady on

The system power supply is normal.

2

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 30 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.

3

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.

4

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.

5

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 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 indicator is off.
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 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.

6

-

Multi-GE port indicator (one indicator for each port)

The indicator in the upper left corner of a port indicates the indicator of a port at the top, and the indicator in the upper right corner indicates the indicator of a port at the bottom.

Meanings of service port indicators vary in different modes.

40GE optical port indicator (one indicator for each port)

Arrowheads show the positions of ports. A down arrowhead indicates a port at the bottom, and an up arrowhead indicates a port at the top.

10GE optical service port indicator (two indicators for each port)

Each optical port has two single-color indicators. The one on the left is the ACT indicator (yellow), and the one on the right is the LINK indicator (green).
Arrowheads show the positions of ports. A down arrowhead indicates a port at the bottom, and an up arrowhead indicates a port at the top.

7

ID

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

L/A

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.

9

USB

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.