Cisco Secure Router 520 Adsl-Over-Isdn Routers - Cisco 520 Hardware Installation Manual

Router Models
Figure 1-3
front panel contains the LEDs, ports, reset button, and antenna. The antenna is available only with the
wireless router.
Figure 1-3
1
3
5
The back panel is identical for all the Cisco Secure Router 520 Series routers (see
page
for the AC adapter.

Cisco Secure Router 520 ADSL-over-ISDN Routers

The Cisco Secure Router 520 ADSL-over-ISDN router is a routing device that uses an asymmetric
digital subscriber line (ADSL) over integrated services digital network (ISDN). These routers have an
integrated 4-port Fast Ethernet switch for connecting to the LAN and an ADSL-over-ISDN physical
interface for connecting to the WAN. This feature allows the router to connect a small business or a
teleworker to a central office or an Internet service provider (ISP) over an ADSL interface.
Two router models are available:
•
•
Cisco Secure Router 520 Series Hardware Installation Guide
1-4
shows the front panel of the Cisco Secure Router 520 ADSL-over-POTS wireless router. The
Cisco Secure Router 520 ADSL-over-POTS Wireless Router—Front Panel
1
LEDs
ADSL-over-POTS port
RJ-45 console port
1-3). The back panel contains the Kensington security slot for securing the router and the input jack
Cisco Secure Router 520 ADSL-over-ISDN (without wireless functionality).
Cisco Secure Router 520 ADSL-over-ISDN Wireless (with wireless functionality). The wireless
router supports the use of a single 2.4-GHz antenna.
2
3
2
Four 10/100BASE-T RJ-45 Fast Ethernet
switch ports
4 Reset button
6 Antenna (wireless router only)
Chapter 1 Product Overview
6
Cisco Secure Router 500 Series
4 5
Figure 1-2 on
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