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C
ABLES
B-4
1000BASE-T Pin Assignments
1000BASE-T ports switch support automatic MDI/MDI-X operation, so
you can use straight-through cables for all network connections to PCs or
servers, or to other switches or hubs.
The table below shows the 1000BASE-T MDI and MDI-X port pinouts.
These ports require that all four pairs of wires be connected. Note that for
1000BASE-T operation, all four pairs of wires are used for both transmit
and receive.
Use 100-ohm Category 5, 5e or 6 unshielded twisted-pair (UTP) or
shielded twisted-pair (STP) cable for 1000BASE-T connections. Also be
sure that the length of any twisted-pair connection does not exceed 100
meters (328 ft).
Pin
MDI Signal Name
MDI-X Signal Name
1
Transmit Data plus (TD1+)
Transmit Data plus (TD2 +)
2
Receive Data minus (RD1-)
Receive Data minus (RD2-)
3
Transmit Data plus (TD2+)
Transmit Data plus (TD1+)
4
Transmit Data plus (TD3+)
Transmit Data plus (TD4+)
5
Receive Data minus (RD3-)
Receive Data minus (RD4-)
6
Receive Data minus (RD2-)
Receive Data minus (RD1-)
7
Transmit Data plus (TD4+)
Transmit Data plus (TD3+)
8
Receive Data minus (RD4-)
Receive Data minus (RD3-)
Summary of Contents for 6709L2
Page 2: ......
Page 12: ...COMPLIANCES viii ...
Page 32: ...NETWORK PLANNING 2 8 ...
Page 40: ...INSTALLING THE SWITCH 3 8 ...
Page 46: ...MAKING NETWORK CONNECTIONS 4 6 ...
Page 56: ...CABLES B 8 ...
Page 62: ...ORDERING INFORMATION D 2 ...
Page 68: ...GLOSSARY Glossary 6 ...
Page 72: ...INDEX Index 4 ...
Page 73: ......