ADC 500L Manuel D’Utilisation

The Megabit Modem 500L provides:

rate-adaptable ADSL transmission downstream at up to 1.5 Mbps and upstream at 
up to 512 kbps

Internet or other types of WAN applications and phone service over your existing 
phone line

Point-to-Point Protocol (PPP) encapsulation method

Password and Challenge-Handshake Authentication Protocols (PAP/CHAP) for 
authentication of PPP sessions

Network Address Translation (NAT) protocol to map the user to the PPP session

Dynamic Host Configuration Protocol (DHCP) server to provide network configuration 
information including IP addresses to LAN devices

TFTP to download software

AccessGain™ software to provide access through an HTTP server to configure, manage, 
and monitor the modem through a Web-based interface

SNMP agent for management through any industry standard SNMP platform

autodetecting 10/100BASE-T Ethernet port for connection to the LAN

DSLview™ LEDs to provide continual status at-a-glance of power, LAN, and 
ADSL connections

ATM technology with three virtual channels to allow one active Internet or other 
WAN application session at a time

PriorityVoice™ to allow full deployment of the modem without splitters or microfilters

InstaConnect™ to sense phone activity and optimizes performance

On a Megabit Modem 500L, you can configure three PPP over ATM sessions. However, you 
can enable only one of the sessions at a time. You assign the user to the session that is active. 

 provides more information about the technologies implemented in the 

Megabit Modem 500L.