1-4
Cisco Network Modules Hardware Installation Guide
OL-2485-20
Chapter 1 Overview of Cisco Network Modules for Cisco Access Routers
Cisco Access Routers and Cisco Network Modules
Figure 1-5
Cisco 3660 Router Rear View
Figure 1-6
Chassis Slot Locations in Cisco 2851 Routers
Platform and Slot Limitations for Cisco Network Modules
Certain platforms have restrictions on the number of total network modules of a certain type that can be
installed, and some slots do not support certain network modules.
See
Table 1-1
for information on the type and quantity of network module slots available on Cisco
access routers.
1
Network module slot 2
4
Network module slot 1
2
Network module slot 4
5
Network module slot 3
3
Network module slot 6
6
Network module slot 5
1
High-speed WAN interface card slot 0
4
High-speed WAN interface card slot 3
2
High-speed WAN interface card slot 1
5
Extension module slot
3
High-speed WAN interface card slot 2
6
Network module slot
121093
VCC OK
SYSTEM
FDX
LINK
100Mbps
FDX
1
0
LINK
100Mbps
1
2
3
4
5
6
CISCO 27XXX-XX-XXX
T
D
M
0
A= ACT
GE 0/1
PVDM2 PVDM1 PVDM0
AIM1
AIM0
GE 0/0
S= SPEED
A= FDX
A= LINK
A
F
S
L
A
F
S
L
S
L
O
T
2
S
L
O
T
0
S
L
O
T
3
S
L
O
T
1
121088
1
3
2
4
5
6