SMC Networks SMC7824M/ESW Instrukcja Użytkownika Pobierz pdf (Strona 72)

ABLES

B-4

Crossover Wiring

If the twisted-pair cable is to join two ports and either both ports are

labeled with an “X” (MDI-X) or neither port is labeled with an “X”

(MDI), a crossover must be implemented in the wiring. (When

auto-negotiation is enabled for any RJ-45 port on these switches, you can

use either straight-through or crossover cable to connect to any device

type.)

You must connect all four wire pairs as shown in the following diagram to

support Gigabit Ethernet connections.

Figure B-3 Crossover Wiring

White/Orange Stripe

Orange

White/Green Stripe

EIA/TIA 568B RJ-45 Wiring Standard

10/100BASE-TX Crossover Cable

End A

End B

Green

Blue

White/Blue Stripe

Brown

White/Brown Stripe

1 2 ... 67 68 69 70 71 72 73 74 75 76 77 ... 103 104

TigerAccess 1
Installation Guide 3
Trademarks: 4
COMPLIANCES 7
Safety (EEC) 8
LASERGER 9
DER KLASSE I 9
Power Cord Safety 10
OMPLIANCES 11
PSE Alarm 12
War nings (in German) 13
APPENDICES: 17
Overview 21
(for 1000BASE-T/SFP Ports) 22
GPON/GEPON Module Slot 22
Gigabit Combo Module Slots 22
Description of Hardware 23
1000BASE-SX (SMCBGSLCX1) 24
1000BASE-LX (SMCBGLLCX1) 24
1000BASE-ZX (SMCBGZLCX1) 24
MgmtMgmt 25
Fan Tray 27
Features and Benefits 30
Management 31
Introduction to Switching 33
Application Examples 33
Collapsed Backbone 34
Network Aggregation Plan 35
1000BASE-ZX SMF 36
(70 kilometers) 36
Making VLAN Connections 37
Application Notes 38
Selecting a Site 39
Ethernet Cabling 40
Equipment Checklist 41
Mounting 42
Desktop or Shelf Mounting 44
NSTALLING 46
Grounding the Chassis 47
Connecting to a Power Source 48
-48VDC/Ground (Source A) 50
Return/24VDC A)(Source 50
-48VDC/Ground B)(Source 50
Return/24VDC B)(Source 50
ONNECTING 51
No other pins are used 52
Connecting to the Alarm Port 53
Wiring Map for Alarm Cable 54
Connecting Network Devices 57
Twisted-Pair Devices 57
ONNECTIONS 58
Fiber Optic SFP Devices 60
Connectivity Rules 62
ONNECTIVITY 63
Diagnosing Switch Indicators 65
ROUBLESHOOTING 66
Power and Cooling Problems 67
Installation 67
In-Band Access 67
10/100BASE-TX Crossover Cable 72
1000BASE-T Cable Requirements 74
Fiber Standards 75
Physical Characteristics 77
HARACTERISTICS 78
Switch Features 79
Management Features 79
Standards 80
Compliances 80
Extender Modules 81
APPENDIX D 83
GERMAN INSTRUCTIONS 83
Rack-Montage 84
Das Erden des Gehäuses 85
(Grounding the Chassis) 85
Anschluss an Gleichstrom 86
NSTRUCTIONS 88
NFORMATION 91
Glossary-1 93
Glossary-2 94
Glossary-3 95
Glossary-4 96
Glossary-5 97
Glossary-6 98

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