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S5700 Series Switches Hardware Description (V200)
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S5720-12TP-LI-AC

S5720-12TP-LI-AC

Version Mapping

Table 4-212 lists the mapping between the S5720-12TP-LI-AC chassis and software versions.

Table 4-212 Version mapping

Series

Model

Software Version

S5720-LI

S5720-12TP-LI-AC

V200R010C00 and later versions

NOTE:

V200R021C01 is not supported.

Appearance and Structure

Figure 4-81 S5720-12TP-LI-AC appearance

1

Eight 10/100/1000BASE-T ports

2

Two combo ports (10/100/1000BASE-T + 100/1000BASE-X)

Modules applicable to combo optical ports:

3

Two 1000BASE-X ports

Applicable modules:
NOTE:

If a port uses a GPON optical module, other 1000BASE-X optical ports cannot be used.

4

One console port

5

One PNP button

NOTICE:

Applicable in V200R012C00 and later versions:

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.

6

AC socket

NOTE:

It is used with an AC power cable.

7

Jack for AC power cable locking strap

NOTE:
The AC power cable locking strap is not delivered with the switch.

-

-

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 4-213 describes the attributes of a 10/100/1000BASE-T Ethernet electrical port.
Table 4-213 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

Combo port

A combo port refers to a pair of ports consisting of an optical Ethernet port and an electrical Ethernet port on the panel. Each combo port matches only one internal forwarding port. A combo port can be configured as an electrical port or an optical port, but only one port can be active at a time. When one port is active, the other port is shut down.

By default, a combo port works in auto mode, in which the port type is determined as follows:

  • If the optical port has no optical module installed and the electrical port has no Ethernet cable connected, the port type depends on which port is connected first. If the electrical port is connected by an Ethernet cable first, the electrical port is used for data switching. If the optical port has an optical module installed first, the optical port is used for data switching.
  • If the electrical port has an Ethernet cable connected and is in Up state, the electrical port is still used for data switching when the optical port has an optical module installed.
  • If the optical port, no matter in Up or Down state, has an optical module installed, the optical port is still used for data switching when the electrical port has an Ethernet cable connected.
  • If the optical port has an optical module installed and the electrical port has an Ethernet cable connected, the optical port is used for data switching after the switch restarts.
You can configure a combo port as an electrical or optical port using the combo-port command.

1000BASE-X port

When a 1000BASE-X port uses a GE optical module, it can only transmit and receive data at 1000 Mbit/s and does not support the 100 Mbit/s transmission speed. When a 1000BASE-X port uses a GE copper module, it can transmit and receive data at 10 Mbit/s, 100 Mbit/s, or 1000 Mbit/s. Table 4-214 describes the attributes of a 1000BASE-X Ethernet optical port.
Table 4-214 Attributes of a 1000BASE-X Ethernet optical port

Attribute

Description

Connector type

LC/PC

Optical port attributes

Depend on the module used

Standards compliance

IEEE802.3z

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 4-215.
Table 4-215 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

Indicator Description

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.
Figure 4-82 Indicators on the S5720-12TP-LI-AC

Table 4-216 Description of indicators on the switch

No.

Indicator

Name

Color

Status

Description

1

PWR

Power module indicator

-

Off

The switch is powered off.

Green

Steady on

The system power supply is normal.

Yellow or red

Steady on

The built-in power module has failed.

2

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 temperature alarm has been generated.

3

STAT

Status indicator

-

Off

The status mode is not selected.

Green

Steady on

The status mode (default mode) is selected. If the status mode is selected, the service port indicator shows the port link or activity state.

4

SPED

Speed indicator

-

Off

The speed mode is not selected.

Green

Steady on

The service port indicators show the port speeds. After 45 seconds, the service port indicators automatically restore to the status mode.

5

STCK

Stack indicator

-

Off
  • If you are not changing the indicator mode (default): The switch is in stack standby or slave state 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 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 a stack master switch or a standalone switch with the stacking function enabled.
  • If you are changing the indicator mode: 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.

6

MODE

Mode switch button

-

-
  • When you press this button once, the service port indicators change to the speed mode and show the speed of each service port.
  • When you press this button a second time, the service port indicators change to the stack mode and show the stack ID of the local switch.
  • When you press this button a third time, the service port indicators restore to the default mode, and the STAT indicator turns green.

If you do not press the MODE button within 45 seconds, the service port indicators restore to the default mode. In this case, the STAT indicator is steady green, the SPED indicator is off, and the STCK indicator is off or blinking green.

7

-

Service port indicator

Meanings of service port indicators vary in different modes. For details, see Table 4-217.
Table 4-217 Description of service port indicators in different modes (one indicator for each port)

Display Mode

Color

Description

Status

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

  • Steady on: The port is connected.

  • Blinking: The port is sending or receiving data.

Speed

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

  • Steady on:

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

  • Blinking:

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

Stack

Green

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

If the indicator is steady on, the switch is not a master switch:

  • 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.

If the indicator is blinking, the switch is a master switch:

  • 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.

Power Supply Configuration

The S5720-12TP-LI-AC has a built-in power module and does not support pluggable power modules.

Figure 4-83 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 4-83 Power supply mode of a built-in AC power module

L: live wire

N: neutral wire

PGND: protection ground wire

GND: 12 V reference ground

Heat Dissipation

The S5720-12TP-LI-AC has no fans and uses natural heat dissipation.

Technical Specifications

Table 4-218 lists technical specifications of the S5720-12TP-LI-AC.

Table 4-218 Technical specifications

Item

Description

Memory (RAM)

512 MB

Flash

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

Mean time between failures (MTBF)

23.8 years

Mean time to repair (MTTR)

2 hours

Availability

> 0.99999

Service port surge protection

Common mode: ±7 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 250.0 mm x 180.0 mm (1.72 in. x 9.8 in. x 7.1 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 250.0 mm x 186.7 mm (1.72 in. x 9.8 in. x 7.35 in.)

Weight (with packaging)

1.8 kg (3.97 lb)

Stack ports

Eight 10/100/1000BASE-T ports and two 1000BASE-X ports

RTC

Not supported

RPS

Not 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)

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

10.39 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.).

The operating temperature of the switch is 0°C to 40°C (32°F to 104°F) when it uses GE SFP optical modules with 40 km transmission distance.

Storage temperature

-40°C to +70°C (-40°F to +158°F)

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

Noise-free (no fans)

Relative humidity

5% to 95%, noncondensing

Operating altitude

0-5000 m (0-16404 ft.)

Certification
  • EMC certification
  • Safety certification
  • Manufacturing certification

Part number

98010567
Translation
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Updated: 2023-04-21

Document ID: EDOC1000013597

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