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Quidway S3700 Series Ethernet SwitchesV100R006C00Hardware DescriptionIssue 03Date 2012-07-20HUAWEI TECHNOLOGIES CO., LTD.

ProductSeriesModel Maximum Number of InterfacesS3700-52P-EI-24S-ACS3700-52P-EI-24S-DC52There are twenty-four 10/100BASE-T Ethernetinterfaces, twenty-f

Figure 1-1 Naming rulesS3700-28TP-PWR-EIA B C D E FS3700-52P-EI-24S-DCGC D FS3700-28TP-SI-ACC D FS3700-28TP-EI-MC-ACC D F IHHH IdentifierDescriptionA

IdentifierDescriptionF Software version type:l EI: enhanced version, supporting enhanced featuresl SI: standard version, supporting basic featuresG Do

Model ImageS3700-28TP-SI-DCS3700-28TP-EI-DC1 3 4 95 10 12S3700-28TP-EI-24S-AC1 2 4 96 10 12S3700-52P-EI-24S-ACS3700-52P-EI-24S-DC6 9 12115S3700-52P-EI

5. Twenty-four10/100BASE-TEthernet interfaces6. Twenty-four100BASE-X Ethernetinterfaces7. Forty-eight100BASE-X Ethernetinterfaces8. Forty-eight10/100B

Model ImageS3700-52P-EI-ACS3700-52P-SI-AC43 1S3700-52P-EI-DC4 23S3700-28TP-PWR-EIS3700-52P-PWR-EI7654 1. AC jack2. DC jack 3. Switch 4. Ground screw5.

Item ParameterSwitching capacityl S3700-28TP: 12.8 Gbit/sl S3700-52P: 17.6 Gbit/sPacket forwardingcapacityl S3700-28TP: 9.6 Mppsl S3700-52P: 13.1 Mpps

Item DescriptionWeight Fullconfiguration≤ 6.5 kgEmptychassis≤ 5 kgDC input voltage Ratedvoltage–48V DC to –60V DCMaximum voltage–36V DC to –72V DCAC i

2 Power Supply UnitAbout This ChapterCAUTIONl Only the power supply units of the same power can be used on an S3700.l Power supply units are hot-swapp

2.1 Power Supply ConfigurationThis section describes the power supply configuration on the S3700.PoE Power SupplyThe downlink electrical interfaces of

Copyright © Huawei Technologies Co., Ltd. 2012. All rights reserved.No part of this document may be reproduced or transmitted in any form or by any

Power Supply Unit PoE Power of totalPower SupplyMaximum Number ofPoE Interfaces250 W powersupply- 123.2 Wl 802.3af: 8l 802.3at: 4500 W powersupply- 36

The working mode of the S3700 non-PoE AC power supply units is shown in Figure 2-2.Figure 2-2 Working mode of non-PoE AC power supply unitsMotherboard

2.3.1 Function OverviewPower over Ethernet (PoE) refers to power supply over a 10Base-T, 100Base-TX, or 1000Base-T twisted pair cable.PoE provides pow

Table 2-1 Description of the AC PoE power indicatorsName Status DescriptionINPUT Green The input power is withinrange.Red The input power is out ofran

Item 250 W PoE 500 W PoEMaximum output currentl 12 V: 10 Al -53.5 V: 2.5 Al 12 V: 10 Al -53.5 V: 7.11 AMaximum output power PoE: 130 WTotal: 250 WPoE:

3 Heat Dissipation SystemAbout This ChapterThis chapter describes the heat dissipation system of the S3700.3.1 Heat Dissipation ModeThis section descr

3.1 Heat Dissipation ModeThis section describes the heat dissipation modes of the S3700.The heat dissipation system ensures that the S3700 operates at

The following table describes the air circulation through the S3700 chassis.No.Air Circulation Model1l S3700-28TP-PWR-EIl S3700-52P-PWR-EI2l S3700-52P

3.2 Fan ModuleThis section describes the appearance and technical specifications of the S3700 fan module.AppearanceThe S3700 fan module consists of tw

Table 3-3 Fan module technical specificationsItem SpecificationDimensions (width xdepth x height)103.0 mm x 99.2 mm x 39.6 mmWeight 230 g to 270 gMaxi

About This DocumentIntended AudienceThis document provides an overall description of the S3700, details about each chassis andmodule, cables available

4 CablesAbout This Chapter4.1 DC Power CablesA DC power cable transmits DC power to the switch.4.2 AC Power CablesAn AC power cable transmits AC power

4.1 DC Power CablesA DC power cable transmits DC power to the switch.ApplicationsA DC power cable connects the following two interfaces:l Input power

Figure 4-2 -48 V DC power cable 4.2 AC Power CablesAn AC power cable transmits AC power to the switch.ApplicationsAn AC power cable connects the follo

Figure 4-3 Appearance of an AC power cable 4.3 Ground CablesA ground cable protects the device from lightning strike and electromagnetic interference.

4.4 Console CablesA console cable is used to debug or maintain a local S3700.ApplicationsA console cable connects the console port of the S3700 to the

Connector X2 (RJ45) Direction X1 (DB9) Signal7 <--- 4 Data Terminal Ready (DTR)8 <--- 7 Request to Send (RTS) 4.5 Network CablesA network cable

Figure 4-6 Appearance of a network cable Figure 4-7 shows the appearance of a network cable.Figure 4-7 Structure of a network cableMain labelX1X2 Pin

X1 Pin Tip Color X2 Pin4 Blue 45 White and Blue 56 Green 67 White and brown 78 Brown 8 Table 4-3 describes the pin assignments of a crossover cable.Ta

Table 4-4 Optical fiber classificationNo. Purpose Local EndConnectorRemote EndConnectorMode1 To connect LPU of thedevice to the ODFLC/PC FC/PC Single

Figure 4-8 Single mode fiber with LC/PC connectors Figure 4-9 shows the appearance of a multimode fiber.Figure 4-9 Multimode fiber with LC/PC connecto

Change HistoryUpdates between document issues are cumulative. Therefore, the latest document issue containsall updates made in previous issues.Change

Table 4-5 Pin assignments of an optical fiberLocal End Terminal SignalDirectionRemote End TerminalOptical interface Tx terminal -> Optical interfac

ST/PC optical connector- 4.7 Stack cablesThis section describes the structure and technical specifications of a stack cable.ApplicationsA stack cable

Item DescriptionPin Two pairsLength 1.5 mBend radius 75 mm Quidway S3700 Series Ethernet SwitchesHardware Description 4 CablesIssue 03 (2012-07-20) Hu

5 List of IndicatorsAbout This ChapterThis chapter describes the status and meanings of the indicators on the S3700, including theindicators for subca

5.1 Indicators on the Front PanelThis section describes the indicators on the S3700 front panel.Indicators of a Non-PoE S3700S3700-28TP-SI-AC is a non

Table 5-2 Description of S3700-52P-PWR-EI indicatorsNo. Indicator Identifier Status Description1 PowerindicatorPWR1 Off The power supplyunits are not

No. Indicator Identifier Status DescriptionRedl Two powersupply units areinstalled properly,but not switchedon.l The power supplyunits are switchedoff

No. Indicator Identifier Status DescriptionGreen The service interfaceindicator indicatesthe interface speed.After 45 seconds, theservice interfaceind

Display Mode Status DescriptionBlinking green The interface is sending orreceiving data.Speed Off The interface is not connected orhas been shut down.

The S3700 fan module consists of two fans. The fans can be replaced when the device isoperating.Figure 5-3 Fan module appearance1 2 31. Captive screw

ContentsAbout This Document...ii1 Ov

AC PoE Power IndicatorsFigure 5-4 Appearance of the 250 W AC PoE power supply unit1 2 3 541. Indicator 2. Handle 3. Fan 4. Switch 5. AC jackFigure 5-5

Name Status DescriptionRed The output power is out ofrange, for example:l Abnormal power fanoperationl Output overvoltagel Output overcurrentl Short c

6 List of Optical ModulesAbout This ChapterThis section describes the attributes of optical modules supported by the S3700.NOTEOnly Huawei certified o

6.1 SFP Optical Module (FE) AttributesThis section describes the attributes of an SFP optical module (FE).Table 6-1 SFP optical module (FE) attributes

Item DescriptionReceiversensitivity-31.0 dBm -32.0 dBm -32.0 dBm -37.0 dBm -37.0 dBmOverloadpower-8.0 dBm -8.0 dBm -8.0 dBm -10.0 dBm -10.0 dBmExtinct

Item DescriptionOverload power0 dBm -3.0dBm-3.0dBm-3.0dBm-3.0dBm-3.0dBm-3.0dBm-9.0dBmExtinction ratio9.0 dB 9.0 dB 6.0 dB 6.0 dB 8.5 dB 9.0 dB 9.0 dB

NOTEThe ESFP CWDM-SFP optical module is applicable to only the 100M SFP optical interfaces or 1000MSFP optical interfaces or 100M/1000M SFP optical i

5 List of Indicators...375.1 In

1 Overview of the S3700About This Chapter1.1 IntroductionThis section describes the characteristics of the S3700.1.2 S3700 Device Models and Naming Ru

1.1 IntroductionThis section describes the characteristics of the S3700.1.1.1 PositioningWARNINGThe Quidway S3700 Ethernet switches are class A produc

Advanced Surge Protection TechniqueThe S3700 uses the Huawei patented built-in surge protection technique. This technique protectsdevices against ligh