Cable Diagrams

Cable Diagrams

Computer Sales and Services

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Cable wiring & diagrams

RJ-45 Ethernet

Hub to PC, Direct

Cross-over, uplink

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2-----2

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5-----5

6-----6

7-----7

8-----8

1-----3

2-----6

3-----1

4-----4

5-----5

6-----2

7-----7

8-----8

Serial 25 pin to 25 pin

Modem

Null Modem

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2-----2

3-----3

4-----4

5-----5

6-----6

7-----7

8-----8

15-----15

17-----17

20-----20

22-----22

1-----1

2-----3

3-----2

4-----5

5-----4

6-----20

7-----7

8-----8

15-----17

17-----15

20-----6

22-----22

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PC Doctors, LLC, 1248 N. King St., Hampton, VA 23669
Phone (757) 727-9263, Fax (757) 723-0603
Contact Roger Brehm (webmaster) HERE

Last updated: April 27, 2011

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