3Com 100 TX manual RJ-45 Connector Pin Assignments

Page 27

Making Network Connections

3-3

Adapter

Hub

1

 

 

1

 

 

2

 

 

2

 

 

3

 

 

3

 

 

4

 

4

5

 

5

6

 

 

6

 

 

7

 

7

8

 

8

Figure 3-2 Pin Assignments for Straight-Through Cabling

The pin assignments for the 100BASE-TX transceiver interface module are the same as the pin assignments for the RJ-45 ports on the hub’s front panel. Figure 3-3 shows the RJ-45 connector pin assignments.

 

 

 

 

 

 

100BT

 

 

 

 

 

 

 

 

 

STATUS

 

 

 

UNIT

3C250-TX

1x

2x

3x

4x

5x

6x

7x

8x

9x

10x

11x

12x

ACTIVITY

 

 

 

 

 

 

 

 

 

FAN FAIL

CLSII

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LINK

 

 

 

 

 

 

 

 

 

OVERTEMP

CLSI

 

 

 

 

 

 

 

 

 

 

 

 

PARTITION

 

 

 

 

 

 

 

 

 

COLLISION

PWR

 

 

 

 

 

 

 

 

 

 

 

 

1

2

3

4

5

6

7

8

9

10 11 12

13

 

RD+ RD – TD+ TD –

1 2 3 4 5 6 7 8

12345678

Figure 3-3 RJ-45 Connector Pin Assignments

Image 27
Contents FMS 100-TX HUB 3Com Corporation 5400 Bayfront Plaza Santa Clara, California Contents Glossary Cispr a Compliance Page Figures Port LEDs Hub Operation LEDs TablesGuide How to Use ThisAbout this Guide IntroductionConventions Introduction GeneralDescription Front Panel of LinkBuilder FMS 100-TX Hub Only one Management Unit can be attached to each stack Harming the network Installing UnpackingHub Positioning Attaching a Bracket for Rack Mounting Installing a Hub Stack in a Rack Installing TransceiverInterface Modules 100BASE-TX Using Power SystemRedundant Connecting the Redundant Power System to Four Hubs Opening the Fuse-holder in the AC Receptacle Assembly Removing the Fuse Connections Aking FMS 100-TX H UBTwisted-pair Cable Server RJ-45 Connector Pin Assignments Down expansion port UP expansion port Connecting a Hub Stack to a Management Unit Connecting Hubs to the Network Backbone Networks ConsiderationsFor MultisegmentedLinkBuilder FMS Repeaters ClassificationClass II Hubs LED FAN Fail Enabled Power-Up Disabled Option SwitchPage Cabling Interface Module CablingRequirements Connecting the Hub in a Network Span of 260.8 Meters Using an Internetworking Device to Extend the Network Span Specifications Page On-line Technical ServicesAccess by Isdn Support from Your NetworkSupplier 3Com To find your authorized service providerGlossary FMS Flexible Media Stack Com’s family of stackable hubs Glossary Glossary Numerics IndexInstalling hub Desktop placement 2-5 positioning Index Page Limited Warranty FCC Class a Verification Statement Page Page Page Page Reader Comment Form Business Reply Mail