Cisco PIX 501 Hardware Installation Manual page 56

PIX 520 Product Overview
Figure 5-2
Figure 5-2
Auto-Rang e Selection
L:90-135V H:180-270V
RESET
Use of the four-port Ethernet circuit board changes the position of the outside and inside interfaces
Note
depending on the slot in which the circuit board is installed. Four-port Ethernet connectors are numbered
from the top connector down sequentially. On horizontally mounted cards, the slots are numbered left to
right.
The PIX 520 can be used with Ethernet circuit boards.
The four-port Ethernet circuit board provides four 10/100 Ethernet connections and has autosense
capability. Connectors on the four-port Ethernet circuit board are numbered top to bottom sequentially;
however, the actual device number depends on the slot in which the four-port Ethernet circuit board is
installed.
Table 5-1
Table 5-1
Slot 0 Contains
4-port
Ethernet
Ethernet
Token Ring
Token Ring
Token Ring
Ethernet
With the four-port Ethernet circuit board, having a circuit board in slot 3 makes the number of interfaces
greater than six; while the circuit board in slot 3 cannot be accessed, its presence does not cause
problems with the PIX Firewall.
Cisco PIX Firewall Hardware Installation Guide
5-2
shows the rear view of the PIX 520.
PIX 520 Rear Panel
PIX Fir ew all
SERI ES
shows how the top connector is numbered.
Numbering Devices with a Four-Port Connector
Slot 1 Contains
Any
4-port
Ethernet
4-port
Token Ring
Ethernet
Token Ring
Slot 2 Contains
Any
Any
4-port
Any
4-port
4-port
4-port
Chapter 5 PIX 520
Four-Port Top
Connector
ethernet0
ethernet1
ethernet2
ethernet0
ethernet0
ethernet1
ethernet1
78-15170-01