Enterasys Enterasys Matrix 9033989-06 Instalační příručka Strana 85
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Hodnocené. / 5. Na základě hodnocení zákazníků
Matrix DFE-Gold Series PoE Module Hardware Installation Guide C-1
C
About PoE (Power over Ethernet)
ThisappendixprovidesanoverviewofPoweroverEthernetTechnologyandhowitis
implementedinrelationtothe4H4285‐49.
Overview
PoweroverEthernet(PoE)referstotheabilitytoprovideoperationalpowertoadevice
connectedtoadatanetworkusingthesamecablingthatprovidesthedatainterface.
ModernEthernetimplementationsemploydifferentialsignalsovertwistedpaircables.
Thisrequiresataminimumoftwotwistedpairsforasingle
physicallink.Bothendsof
thecableareisolatedwithtransformersblockinganyDCorcommonmodevoltageonthe
signalpair.PoEexploitsthisfactbyusingtwotwistedpairsasthetwoconductorsto
supplyadirectcurrent.Onepaircarriesthepowersupplycurrentandtheother
pair
providesapathforthereturncurrent.Whileseveralproprietarylegacyimplementations
ofPoEhave beendeployedbyLANequipmentvendors,in2003theIEEEpublishedthe
IEEE802.3af‐2003specification,whichispartofthe802.3suiteofstandards.
The4H4285‐49isfullycompliantwiththeIEEE802.3af
standard.Itsupportsthestandard
resistorbaseddetectionmethod,aswellasACdisconnectcapability.The4H4285‐49is
alsocapableofsupplyingthemaximumspecifiedcurrenttoallportssimultaneously.
EachPDhasaPDC(PoweredDeviceClassification)thatistransmittedtotheDFE module
forpowermanagementpurposes.Table C‐1
onpage C‐1liststheclassificationsandthe
associatedpowerranges.
Table C-1 Powered Device Classifications
Class Usage PD Maximum Power Range Usage
0 Default 0.44 to 12.95 Watts
1 Optional 0.44 to 3.84 Watts
2 Optional 3.84 to 6.49 Watts
3 Optional 6.49 to 12.95 Watts
4 Not Allowed Reserved for Future Use
- Enterasys Matrix 1
- orcontact 5
- (Circuit Modules) 6
- (Circuit Breakers) 6
- VCCI Notice 7
- BSMI EMC Statement — Taiwan 7
- Safety Information 8
- Class 1 Laser Transceivers 8
- Declaration of Conformity 8
- Contents 13
- Chapter 4: Troubleshooting 14
- Appendix A: Specifications 14
- About This Guide 17
- How to Use This Guide 18
- Related Documents 18
- Getting Help 20
- Introduction 21
- DFE-Gold Module 22
- 1-4 Introduction 24
- Connectivity 25
- Management 25
- Standards Compatibility 26
- LANVIEW Diagnostic LEDs 26
- Network Requirements 27
- 10BASE-T Network 28
- 100BASE-TX Network 28
- Installation 29
- Installation Site Requirement 30
- Unpacking the DFE Module 30
- Example 1 (Figure 3-1, A) 32
- Example 2 (Figure 3-1, B) 32
- Example 3 (Figure 3-1, C) 33
- Example 4 (Figure 3-1, D) 33
- Example 5 (Figure 3-1, E) 33
- 3-6 Installation 34
- 3-8 Installation 36
- 4 Metal back panel 37
- into Matrix N3 or N5 Chassis 38
- FAST ENET 39
- 3-12 Installation 40
- Connecting to the Network 41
- 3-14 Installation 42
- 2 Other device port 44
- Verifying PoE Port Status 45
- What Is Needed 46
- 3-20 Installation 48
- Connecting to a Modem 49
- 3-22 Installation 50
- RJ45 Connector (Female) 51
- DB9 Connector (Female) 51
- DB25 Connector (Female) 51
- DB25 Connector (Male) 52
- Enterasys 53
- Completing the Installation 54
- 3-26 Installation 54
- 3-28 Installation 56
- Troubleshooting 57
- Using LANVIEW 58
- 4-2 Troubleshooting 58
- Viewing the PoE Port Status 59
- 4-4 Troubleshooting 60
- 4-6 Troubleshooting 62
- Troubleshooting Checklist 63
- 4-8 Troubleshooting 64
- 4-10 Troubleshooting 66
- Specifications 67
- Item Specification 68
- COM Port Pinout Assignments 69
- Regulatory Compliance 69
- A-4 Specifications 70
- Required Tools 71
- Setting the Mode Switches 72
- 1 2345678 73
- 48V --- 20A MAX 74
- OPTIONAL 74
- WER INPUT 74
- Removing the Safety Cover 75
- AST ENET 76
- Removing the DRAM SIMM 78
- Installing the DRAM SIMM 79
- DIMM Replacement Procedure 80
- Installing the DIMM 81
- --- 20A MAX 82
- Reinstalling the Safety Cover 83
- Overview 85
- Proprietary PD Detection 86
- Power Interface 86
- Front Panel 48 Vdc Interface 86
- PoE Port Status LEDs 87
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