TECHNICAL SPECIFICATIONS
DEVICE INTERFACES
+ RJ-11 ADSL port
+ 4 RJ-45 10/100BASE-TX Ethernet ports with auto MDI/ MDIX
ADSL STANDARDS
+ ADSL : Multi-mode, ANSI T1.413 Issue 2, ITU-T G.992.1
(G.dmt) Annex A, ITU-T G.992.2 (G.lite) Annex A,
+ ITU-T G.994.1 (G.hs)
+ ADSL2: ITU-T G.992.3 (G.dmt.bis) Annex A/L/M ITU-T G.992.4
(G.lite.bis) Annex A
+ ADSL2+: ITU-T G.992.5 Annex A/L/M
ADSL DATA RATES
+ G.dmt: 8Mbps downstream, 832Kbps upstream
+ G.lite: 1.5Mbps downstream, 512Kbps upstream
+ ADSL2: 12Mbps downstream, 1Mbps upstream
+ ADSL2+: 24Mbps downstream, 3.5Mbps upstream
ATM & PPP PROTOCOLS
+ ATM Adaption Layer type 5 (AAL5)
+ Bridged or routed Ethernet encapsulation
+ VC and LLC based multiplexing
+ MAC Encapsulated Routing
+ ATM Forum UNI3.1/4.0 PVC
+ ATM Cell Format ITU-T Rec. I.361
+ PPP over ATM (RFC 2364)
+ PPP over Ethernet (PPPoE)
+ PPP Link Control Protocol (LCP)
+ Internet Protocol Control Protocol (IPCP)
+ PPP Authentication Protocol (PAP)
+ PPP Challenge Handshake
+ Authentication Protocol (CHAP)
+ Microsoft PPP CHAP extensions
ROUTER FEATURES & NETWORK PROTOCOLS
+ Ethernet to ADSL Self-Learning Transparent Bridging
+ Internet Control Message Protocol (ICMP)
+ Network Address Translation (NAT), IP Static Routing,
Routing Information Protocol (RIPv1, RIPv2)
+ Virtual Server, Port Forwarding
+ NAT ALGs: MSN/AOL/Yahoo Messenger, FTP, CUSEEME,
Real Audio, MIRC, SIP, ICQ, games, SNMP
+ Dynamic Host Confi guration Protocol (DHCP); DHCP server,
client, and relay
+ SNTP, DNS Relay, DDNS proxy and IGMP proxy (v1/v2/v3)
FIREWALL /ACCESS SECURITY
+ Built-in NAT fi rewall
+ MAC Filtering
+ Packet Filtering
+ Stateful Packet Inspection (SPI)
+ Denial of Service prevention (DoS)
+ Intrusion Detection and Prevention System/Log
+ User Authentication PAP
+ User Authentication CHAP
+ DMZ
VIRTUAL PRIVATE NETWORK
+ Multiple IPSec/PPTP/L2TP pass-through
DSL-2740B
WHAT THIS PRODUCT DOES
This ADSL2+ Modem with Wireless N300 Router
connects a group of users to the Internet, allowing
multiple computers at home or offi ce to share an
integrated high-speed ADSL2+ interface. It provides
high-performance wireless N access for wireless
networked computers, has 4 built-in Ethernet ports,
fi rewall protection and QoS for smooth and secure
download/upload of photos, fi les, music, video and
e-mail over the Internet.
GET HIGH ADSL AND WIRELESS
PERFORMANCE
With your ADSL connection of up to 24Mbps
downstream
1
and 3.5Mbps upstream
1
you can
watch TV, listen to live music, broadcast on the
Internet, and experience clear Internet phone calls
without any lag. Built-in high performance Wireless
N
2
means that you don’t have to compromise
high-speed ADSL transmission with wireless speed
constraints. Smooth streaming multimedia and VoIP
voice are now possible anywhere at home or in the
offi ce.