1-5
Cisco Secure Router 520 Series Hardware Installation Guide
OL-12892--01
Chapter 1 Product Overview
Hardware Features
Figure 1-4 shows the front panel of the Cisco Secure Router 520 ADSL-over-ISDN wireless router. The
front panel contains the LEDs, ports, reset button, and antenna. The antenna is only available with the
wireless router.
Figure 1-4 Cisco Secure Router 520 ADSL-over-ISDN Wireless Router—Front Panel
Cisco Secure Router 500 Series
231356
1
543
6
2
1LEDs 2Four 10/100BASE-T RJ-45 Fast Ethernet
switch ports
3ADSL-over-ISDN port 4Reset button
5RJ-45 console port 6Antenna (wireless router only)
The back panel is identical for all the Cisco Secure Router 520 Series routers (see Figure 1-2 on
page 1-3). The back panel contains the Kensington security slot for securing the router and the input jack
for the AC adapter.

Hardware Features

The following sections provide information about the hardware features of the
Cisco Secure Router 520 Series routers:
Serial Number Label Location
LED Indicators on the Routers
Integrated 802.11b/g Radio Module—Wireless Routers Only
Router Memory
Router Hardware Security
Feature Summary