Cisco 7206 - VXR Router Installation Manual page 36

Field-Replaceable Units
Table 1-6
Table 1-6
Memory Type
Boot ROM
Flash memory 4 MB
Flash memory
card
Flash Disk
NVRAM
1. Some I/O controllers have no Flash SIMM but use a permanently fixed 4-MB Flash chip instead. (See
2. The NVRAM on some I/O controllers is replaced by a 32-pin nonsocketed SRAM component that is soldered onto the card.
LED Descriptions
Figure 1-12
MII port and an RJ-45 port.
port.
a single MII port.
Table 1-7
controller, refer to
Controller" section on page
A CPU reset button is located next to the IO power OK LED or the auxiliary port on the I/O controller
faceplate. The CPU reset button resets the entire system.
Caution To prevent system errors and problems, use the CPU reset button only at the direction of your service
representative.
Cisco 7206 Installation and Configuration Guide
1-18
lists the I/O controller memory components.
I/O Controller Memory Components
Size
256 KB
20 MB
48 to 128
MB
2
128 KB
The SRAM component is made to act like the NVRAM by the addition of some external components, one of which is a 1-inch
(2.54-cm) button-type lithium battery.
shows the LEDs on the I/O controller with the Fast Ethernet port that is equipped with an
Figure 1-13
Figure 1-14 shows the LEDs on the I/O controller with the Fast Ethernet port that is equipped with
lists I/O controller LEDs and their functions. To use the LEDs for troubleshooting the I/O
Chapter 6, "Troubleshooting the Installation,"
6-6.
Quantity Description
1 32-pin DIP-type
32-pin DIP-type or
32-pin PLCC-type
1 Contains the default
boot helper image
Up to 2 Contains the default
Cisco IOS image
Up to 2
1 Nonvolatile EPROM for
the system
configuration file
shows the LEDs on the I/O controller without the Fast Ethernet
Chapter 1 Product Overview
Model Location
C7200-I/O-FE-MII U20
C7200-I/O-FE, U20 or U4
C7200-I/O
C7200-I/O-FE-MII U99
C7200-I/O-FE, U99 or
C7200-I/O U10, U11,
U12, and U13
(soldered
All models PC Card slot
0 and slot 1
C7200-I/O-FE-MII U41
C7200-I/O-FE, U41 or U14
C7200-I/O (soldered)
Figure
the "Troubleshooting the I/O
1
)
2
1-9.)
OL-5102-02