User's Manual

2-5
Cisco 3200 Series Mobile Access Router Hardware Guide
OL-5816-04
Chapter 2 Fast Ethernet Switch Mobile Interface Card (FESMIC)
FESMIC Component Systems
The FastEthernet ports on the 4-port FESMIC and the 2-port FESMIC are 10/100 Fast Ethernet switch
ports. The switch ports support all layer 2 features. The FastEthernet 0/0 port on the MARC is a
10/100 Fast Ethernet router port. The routing features supported on the MARC cannot be configured on
the FESMIC ports.
Figure 2-3 shows the 10-pin 10/100 Fast Ethernet header pin locations.
Figure 2-3 FESMIC Ethernet Header Pin Locations
Table 2-2 describes the pin assignments shown in Figure 2-3.
FESMIC LED Signals
Figure 2-4 shows the 20-pin LED header that provides connections for the LEDs.
Figure 2-4 FESMIC LED Header Pin Locations
Table 2-3 lists the pin assignments on the FESMIC 20-pin LED header.
74521
1
6
2
7
3
8
4
9
5
10
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Table 2-2 FESMIC Ethernet Header Pin Assignments
Pin Signal Description
1 RX+ Receive positive
6 RX- Receive negative
2 TX+ Transmit positive
7 Unused Terminated
3 Unused Terminated
8 TX- Transmit negative
4 Unused Terminated
9 Unused Terminated
5 Reserved Do not use
10 Reserved Do not use
81599
Board edge Board edge
10 9 8 7 6 5 4 3 2 1
20 19 18 17 16 15 14 13 12 11