مودم DLINK DSL-2540U

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

technicAL speciFicAtions

+ Dynamic Host Configuration Protocol (DHCP); DHCP server,

client, and relay

+ SNTP, DNS Relay, DDNS proxy and IGMP proxy (v1/v2/v3)

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

+ 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

FirewALL /Access security

+ Built-in NAT firewall

+ MAC Filtering

+ Packet Filtering

+ Stateful Packet Inspection (SPI)

+ Denial of Service prevention (DoS)

+ User Authentication PAP

+ User Authentication CHAP

+ DMZ

conFigurAtion/MANAgeMent

+ Web-based GUI configuration

+ 3-level login control for local/remote management

+ Firmware upgraded, configuration data uploaded and

downloaded via Webbased GUI

+ TFTP for firmware, configuration files and image files

upgrade and download

+ TFTP server and client

+ Code Lock to prevent from improper firmware upgrade

through UI, TFTP, and TR-069

+ Telnet/SSH access for configuration (optional)

+ Local access via console (optional)

+ ADSL/ADSL2/ADSL2+ manual selection and auto fallback

+ Auto VPI/VCI detection

+ Configuration backup and restore

+ Diagnostics

+ Log & Trace function

+ SNMP v.1 and v.2c with MIB-I and MIBII (optional)

+ TR-069 compliant with ACS (optional)

QUALity OF service

+ Traffic Prioritization/Classification

+ Port-based priority

+ 802.1p/q (0-7) priority

+ DiffServ-Codepoint IPQoS (TOS)

+ Application port-based priority