1-15
Cisco 7206 Installation and Configuration Guide
OL-5102-02
Chapter 1 Product Overview
Field-Replaceable Units
Note When you use the I/O controller that is equipped with an MII port and an RJ-45 port
(C7200-I/O-FE=), only one port can be configured for use at a time.
You can install an I/O controller with or without a Fast Ethernet port in all Cisco 7200 series
routers (including the Cisco 7206 and Cisco 7206VXR as router shelves in a Cisco AS5800
Universal Access Server).
–
Nonvolatile random-access memory (NVRAM) for storing the system configuration and
environmental monitoring logs.
Note NVRAM uses lithium batteries to maintain its contents when disconnected from power. Some I/O
controllers use an SRAM component with an external lithium battery to provide the same functionality
as the NVRAM. (See the second illustration in Figure 1-9 and Figure 1-10.)
Note Your I/O controller with the Fast Ethernet port that has MII and RJ-45 ports (C7200-I/O-FE=) might look
like the first illustration in Figure 1-9, or it might look like the second illustration in Figure 1-9. There
is no functional difference between these two I/O controllers with the Fast Ethernet port.
Figure 1-9 C7200-I/O-FE=—with MII and RJ-45 Fast Ethernet Ports
H11293
A
U
X
C
O
N
S
O
L
E
Midplane
connectors
Temperature
sensor
Flash SIMM [U99]
NVRAM [U41]
Temperature
sensor
Boot ROM [U20]
PC Card slots
Console
port
Captive
installation
screw
E
N
A
B
L
E
D
P
C
M
C
IA
E
J
E
C
T
S
L
O
T
0
S
L
O
T
1
F
E
M
I
I
F
A
S
T
E
T
H
E
R
N
E
T
IN
P
U
T
/O
U
T
P
U
T
C
O
N
T
R
O
L
L
E
R
LEDs CPU reset button
Auxiliary
port
R
J
-
4
5
C
P
U
R
E
S
E
T
Optional Fast Ethernet port
(MII receptacle and RJ-45 receptacle)
M
II
E
N
R
J
4
5
E
N
R
J
4
5
L
IN
K
IO
P
W
R
O
K
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