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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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S5700-28C-EI-24S

S5700-28C-EI-24S

Version Mapping

Table 4-714 lists the mapping between the S5700-28C-EI-24S and software versions.

Table 4-714 Version mapping

Series

Model

Software Version
S5700-EI S5700-28C-EI-24S

V100R005C01 to V200R005C03

NOTE:
This model does not match V200R003C02 or V200R003C10.

Appearance and Structure

Figure 4-283 S5700-28C-EI-24S appearance
1 Twenty 100/1000BASE-X ports 2 Four combo ports (10/100/1000BASE-T + 100/1000BASE-X)
Modules applicable to combo optical ports:
3 One console port 4 One ETH management port
5 Front card slot 6 ESD jack
NOTE:

Before installing or maintaining a switch, wear an ESD wrist strap and insert the other end of the ESD wrist strap into this ESD jack.

7 Rear card slot 8 Fan slot
NOTE:

Applicable fan module:

CX7E1FANA fan module

9 Power module slot 2
NOTE:
Applicable power modules:
10 Power module slot 1
NOTE:
Applicable power modules:

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 4-715 describes the attributes of a 100/1000BASE-X port.
Table 4-715 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

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.
NOTE:

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.
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 4-716.
Table 4-716 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 BootROM menu. File transfer through the ETH management port is faster than transfer through the console port. For details on how to use the ETH management port, see the Configuration Guide - Basic Configurations. Table 4-717 describes the attributes of an ETH management port.
Table 4-717 Attributes of an ETH management port

Attribute

Description

Connector type

RJ45

Standards compliance

IEEE802.3

Working mode

10/100 Mbit/s auto-sensing

Maximum transmission distance

100 m

Indicator Description

The S5700-28C-EI-24S has the same types of indicators as the S5700-28C-EI. For details, see Indicator Description.

Power Supply Configuration

The S5700-28C-EI-24S can use a single power module or double power modules for 1+1 power redundancy. In versions prior to V200R005C00, the AC and DC power modules cannot be configured on the same device, while in V200R005C00 and later versions, they can be configured on the same device.

Figure 4-284 shows the power supply connections of dual DC power modules. After DC power is transmitted to the PWR module, the PWR module provides 12 V output voltage, and the motherboard provides power for the entire device.
Figure 4-284 Power supply connections of dual DC power modules

NEG: negative cable

RTN: positive cable

GND: 12 V reference ground

Figure 4-285 shows the power supply connections of dual non-PoE AC power modules. After AC power is transmitted to the PWR module, the PWR module provides 12 V output voltage, and the motherboard provides power for the entire device.
Figure 4-285 Power supply connections of dual non-PoE AC power modules

L: Live wire

N: Neutral wire

PGND: Protection ground cable

GND: 12 V reference ground

Heat Dissipation

The S5700-28C-EI-24S uses pluggable fan modules for forced air cooling. Air flows in from the left and right sides, and exhausts from the rear panel.

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

Technical Specifications

Table 4-718 lists technical specifications of the S5700-28C-EI-24S.

Table 4-718 Technical specifications

Item

Description

Memory (RAM)

256 MB

Flash

32 MB

Mean time between failures (MTBF)

52.80 years when no interface card is configured, 41.33 years when a 2-port 10GE interface card is configured, 50.00 years when a 4-port GE front card is configured, 26.52 years when a 4-port 10GE front card is configured

Mean time to repair (MTTR)

2 hours

Availability

> 0.99999

Service port surge protection

±2 kV in common mode

Power supply surge protection

  • Using AC power modules: ±6 kV in differential mode, ±6 kV in common mode
  • Using DC power modules: ±1 kV in differential mode, ±2 kV in common mode

Dimensions (H x W x D)

43.6 mm x 442.0 mm x 420.0 mm (1.72 in. x 17.4 in. x 16.5 in.)

Weight

  • Empty: ≤ 5 kg (11.02 lb)
  • Fully configured: ≤ 8.5 kg (18.74 lb)

Stack ports

Two stack ports available on each stack card

RPS

Not supported

PoE

Not supported

Rated voltage range

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

-48 V DC to -60 V DC

Maximum voltage range

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

-36 V DC to -72 V DC

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

63 W

Operating temperature

0°C to 50°C (32°F to 122°F)

Storage temperature

-40°C to +70°C (-40°F to +158°F)

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

< 41 dB(A)

Relative humidity

5% to 95%, noncondensing

Operating altitude

  • AC power modules configured: 0-5000 m (0-16404 ft.)
  • DC power modules configured: 0-2000 m (0-6562 ft.)

Certification

  • EMC certification
  • Safety certification
  • Manufacturing certification

Part number

02352350
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Updated: 2019-08-19

Document ID: EDOC1000013597

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