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Ethernet NIC Connectors and Cables
The Ethernet connectors on the two-port and four-port 10/100 Ethernet NICs are RJ-45
connectors. Use a straight-through cable to connect the NIC to a hub or switch, or a crossover
cable to connect directly to a host.
Use IEEE 802.3 10/100 BASE-TX Cat 5 unshielded twisted-pair, full-duplex, or half-duplex
cable. You can order appropriate adapter cables separately from a cable vendor of your choice.
Caution
Cables that connect to the Ethernet card must be IEEE 802.3 compliant to prevent
potential data loss.
Figure 12
to left, with the copper tabs facing up and toward you.
Figure 12 Output Connector for the Ethernet Cable
Figure 13
Figure 13 Ethernet Crossover-Cable Pin Connections
Check Point IP2450 Security Platform Installation Guide
shows the pin assignments for the RJ-45 cable. The connector is numbered from right
8
1
shows the pin assignments for the RJ-45 cross-over cable.
Pin
Assignment
1
TX +
2
TX -
00270
3
RX +
4
5
6
RX -
7
8
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
00017.1
Four-Port 10/100 Ethernet NICs
63
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