Enterasys SecureStack C2 C2G124-48P, Hardware Installation Manual, Page: 55 / 82

Connecting to the Network
SecureStack C2 Installation Guide 3-23
d. Ensure that the twisted pair connection meets the dB loss and cable specifications
outlined in the Cabling Guide. Refer to “ Related Documents ” on page xvi for
information on obtaining this document.
5. If a link is not established or there is no PoE power, contact Enterasys Networks. Refer
to “ Getting Help ” on page 1 ‐ 7 for details.
Repeat all steps above until all connections have been made.
Figure 3-14 Four-Wire Crossover Cable RJ45 Pinouts for 10/100BASE-TX
Figure 3-15 Four-Wire Straight-Through Cable RJ45 Pinouts for 10/100BASE-TX
1 RJ45 switch port 3 RJ45-to-RJ45 crossover cable
2 Other device port 4 RX+/RX- and TX+/TX-connections
These connections must share a common color pair.
1 RJ45 switch port 3 RJ45-to-RJ45 straight-through cable
2 Other device port 4 RX+/RX- and TX+/TX-connections
These connections must share a common color pair.
TX+
TX –
RX+
RX – 2
1
3
6
TX+
TX –
2
1
3
6
RX+
RX –
À Á
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Ã
TX+
TX –
RX+
RX – 2
1
3
6
TX+
TX –
2
1
3
6
RX+
RX –
À Á
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Ã