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The Cisco 1721, 1760, 2621XM, 2651XM, 2691, 3725, 3745, and 7206 VXR NPE-400 Routers

When a network module is inserted, it fits into an adapter called the network module expansion bus. The

expansion bus interacts with the PCI bridge in the same way that the fixed LAN ports do; therefore, no

critical security parameters pass through the network module (just as they don't pass through the LAN

ports). Network modules do not perform any cryptographic functions.

WICs are similar to network modules in that they greatly increase the router's flexibility. A WIC is

inserted into one of two slots, which are located above the fixed LAN ports. WICs interface directly with

the processor. They do not interface with the cryptographic card; therefore no security parameters will

pass through them. WICs cannot perform cryptographic functions; they only serve as a data input and

data output physical interface.

The physical interfaces include a power plug for the power supply and a power switch. The router has

two Fast Ethernet (10/100 RJ-45) connectors for data transfers in and out. The module also has two other

RJ-45 connectors on the back panel for a console terminal for local system access and an auxiliary port

for remote system access or dial backup using a modem. The 10/100Base-T LAN ports have

Link/Activity, 10/100Mbps, and half/full duplex LEDs.

panel with descriptions detailed in

Figure 16

NM -H DV

POWER

Cisco 1721, 1760, 2621XM, 2651XM, 2691, 3725, and 3745 Modular Access Routers and 7206-VXR NPE-400 Router FIPS 140-2 Non-Proprietary

Cisco 3725 and Cisco 3745 Rear Panel LEDs

BA NK 4

BA NK 3

BA NK 2

BA NK 1

BA NK 0

SEE MAN

UAL BEF

FastEthernet 0/1

FastEthernet 0/0

FastEthernet 0/1

SYSTEM

Figure 16

Table 11

and

Table

12:

DS U

ORE INS

TAL LAT ION

56K

SEE MAN

UAL BEF

ORE INS

DS U

TAL LAT ION

56K

SEE MAN

UAL BEF

ORE INS

TAL LAT ION

ETM NPA AIM1 AIM0

shows the LEDs located on the rear

OL-6083-01