Enterasys Networks C2K122-24 Manuel d'utilisateur Page 28
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100BASE-TX Network
2-2 Network Requirements
100BASE-TX Network
Whenconnectinga100BASE‐TXsegmenttooneofthefixedports(1 through24),use
Category5UTPcabling.Theswitchattheotherendofthetwistedpairsegmentmust
meetIEEE802.3‐2002100BASE‐TXFastEthernetnetworkrequirementsfortheswitchesto
operateat100 Mbps.
1000BASE-T Network
TheRJ45fixedfrontpanelconnectorssupportcopper1000BASE‐Tcompliantconnections.
Whenconnectinga1000BASE‐TsegmenttooneoftheRJ45fixedportsuseCategory5
UTPcabling.Thedeviceattheotherendofthetwistedpairsegmentmustmeet
IEEE 802.3‐20021000BASE‐TGigabitEthernetnetworkrequirements
forthedevicesto
operateat1000 Mbps.
10GBASE-XX Network
Thetwooptionalinterfacefront‐panelportslots(25and26)supportXFPIEEE 802.3ae
10‐GigabitEthernet(10 GbE)fiber‐opticmodules.Asoftheprintingofthisguide,the
10GBASE‐SR ‐XFP,10GBASE‐LR‐XFP,and10 GBASE‐ER‐XFP
areavailable.These
10‐GigabitEthernetinterfacesarebasedupontheXFPMulti‐sourceAgreement(MSA).
ThisMSAdefinesafiber‐optictransceivermodule,whichconformstotheIEEE802.3ae
10‐GigabitEthernet(10GbE)standardandincludesallphysicalmediadependent(PMD)
typesdefinedbytheIEEEfor802.3ae10
GbE.
Toobtainthemaximumbenefitsof10 GbE,carefullyconsiderthecablingtype(for
example,single‐modeormultimodefiber)andtheperformanceataspecifiedwavelength.
Theperformanceischaracterizedbychannelinsertionloss(cablingattenuation)and
modalbandwidth(formultimodefiber).
Table 2‐1providesthecabletype,maximumlength,
andconnectortypeaccordingtoeach
versionofXFP.Forcompletespecifications,referto“SupportedXFPTransceiverInterface
Options”onpage A‐3.
Note: When using the fixed ports on the switch for 100 Mbps operation use Category 5
UTP cabling with an impedance between 85 and 111 ohms for 100 Mbps operation.
The fixed switch ports are capable of operating at 10, 100, or 1000 Mbps. This is
accomplished by the switch when Auto-Negotiation is enabled. This enables the switch to
automatically sense the transmission speed of the other device and adjust for the speed
accordingly.
- Enterasys 1
- SecureStack 1
- Personal vorgenommen werden 3
- HAZARDOUS SUBSTANCES 5
- (Circuit Modules) 6
- (Circuit Breakers) 6
- DECLARATION OF CONFORMITY 8
- ENTERASYS NETWORKS, INC 9
- FIRMWARE LICENSE AGREEMENT 9
- Contents 13
- Chapter 4: Troubleshooting 14
- Appendix A: Specifications 14
- About This Guide 17
- Related Documents 18
- Introduction 21
- C2K122-24 22
- High-Speed Stack Connections 23
- Connectivity 23
- Management 24
- Standards Compatibility 24
- LANVIEW Diagnostic LEDs 24
- Getting Help 25
- 1-6 Introduction 26
- Network Requirements 27
- 100BASE-TX Network 28
- 1000BASE-T Network 28
- 10GBASE-XX Network 28
- areavailable.These 28
- 2-4 Network Requirements 30
- Hardware Installation 31
- Required Tools 32
- Unpacking the Switch 32
- Installing Optional XFPs 33
- Preparation 33
- Installing the XFP 34
- Removing the XFP 34
- Installing the Rubber Feet 35
- Guidelines for Installation 36
- TX RX TX RX 37
- Rack Mounting the Switch 38
- 3-8 Hardware Installation 38
- 3 STACK UP connector 40
- Important 42
- Connecting AC and RPS Power 43
- 3-14 Hardware Installation 44
- Stack Initialization Overview 45
- What Is Needed 46
- 3-18 Hardware Installation 48
- Connecting to a Modem 49
- Connecting to the Network 50
- Connecting UTP Cables 50
- 2 Other device port 52
- 3-24 Hardware Installation 54
- Completing the Installation 56
- Troubleshooting 57
- Using LANVIEW 58
- 4-2 Troubleshooting 58
- Figure 4-2 LANVIEW LEDs 59
- 4-4 Troubleshooting 60
- Troubleshooting Checklist 61
- 4-6 Troubleshooting 62
- STACK UP 63
- STACK DOWN 63
- 4-8 Troubleshooting 64
- Specifications 65
- Switch Specifications 66
- Regulatory Compliance 68
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