
200 APPENDIX C: CABLE SPECIFICATIONS
Figure 68 and Figure 69 below show the pin connections when using a
crossover Category 5 cable. It is not necessary to use a crossover cable
with your Firewall as the Normal/Uplink switch beside each port serves
the same purpose.
Figure 68 Connecting the firewall to a hub or switch using a crossover cable
Figure 69 Connecting the firewall to a network interface card using a crossover
cable
TxD+
TxD-
RxD+
RxD-
1
2
3
6
Pins 4, 5, 7 and 8 are not used
1
2
3
6
TxD+
TxD-
RxD+
RxD-
Firewall
(Normal)
Network Device
(Hub/Switch)
1
2
3
6
Pins 4, 5, 7 and 8 are not used
1
2
3
6
Firewall
(Uplink)
Network Card
(NIC)
RxD+
RxD-
TxD+
TxD-
RxD+
RxD-
TxD+
TxD-
DUA1611-0AAA02.book Page 200 Thursday, August 2, 2001 4:01 PM
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