20 Hardware Guide
Cross-over cabling
To connect a Firebox to a hub or switch, use a standard, straight-through
cable. However, if you plan to connect a Firebox directly to a router, either
purchase or build a cross-over cable for RJ-45 (Cat5) wire.
The tables below provide pin-out descriptions for both a straight-through
and a RJ-45 (Cat5) cross-over cable.
Firebox System Area
WatchGuard ships the Firebox III with a fixed, baseline set of functionality
stored on the read-only system area of the Firebox flash disk memory. It is
possible to start the Firebox using this read-only system area when the
primary user area is misconfigured or corrupted. This functionality
allows you to:
• Troubleshoot problems where all access to the Firebox is lost
Pin Number Pin Number
1 (Transmit
Plus)
1 (Transmit
Plus)
2 (Transmit -) 2 (Transmit -)
3 (Receive Plus) 3 (Receive Plus)
6 (Receive -) 6 (Receive -)
4,5,7,8 Not Used
Pin Number Pin Number
1 (Transmit
Plus)
3 (Receive Plus)
2 (Transmit -) 6 (Receive -)
3 (Receive Plus) 1 (Transmit
Plus)
6 (Receive -) 2 (Transmit -)
4,5,7,8 Not Used