Aethran SHDSL EFM tuoteperheestä löytyy ratkaisu korkeaa suorituskykyä vaativalle tiedonsiirrolle niin access- kuin runkoverkkosovelluksissakin. Modeemien ominaisuuksista mainittakoon mm. Quality of Service (QoS) ja traffic shaping sekä kolmos- että kakkostasoilla (Layer 3 ja 2).

LED Indicators •PWR •ETH0 •ETH1 •ShDSL (L1-L2-L3-L4) Physical Interfaces •4-port 10/100bT Ethernet switch with RJ-45 connectors (Eth0)(AS2451/AS2251) •1-port 10/100bT Ethernet with RJ-45 connectors (Eth0) (AS2421/AS2221) •1-port 10/100bT Ethernet with RJ-45 connectors (Eth1) (all models) •1-port console with MiniDIN 8P connector ShDSL Network Interfaces •4-pair ShDSL.bis interface (AS2451/AS2421) •2-pair ShDSL.bis interface (AS2251/AS2221) •ETSI TS 101 524 •ITU G.991.2 Annex A •ITU G.991.2 Annex B •ITU G.991.2 Annex F •ITU G.991.2 Annex G •IEEE 802.3ah EFM •Line rate up from 192 kbps to 22800 kbps (with bonding)IP Functions •IP Routing RIP v1/v1c/ v2, BGP, OSPF Enhanced Network Address and Port Translation (NAPT) engine, with multiple ALGs (including SIP, TFTP and H.323) DHCP Server/Client/Relay, DHCP Learning Multicast IGMP v1/v2/v3, PIM-SM, Static • Routing Filtering Redistribution • Firewalling Extended Access Lists Stateful Packet Inspection including Denial of Service attacks • IP Services DNS proxy DDNS client VPN (GRE, IP, PPTP server/client) IPSec with DES, 3DES and AES ICMP, IGMP snooping, Telnet, TFTP Layer 3 QoS according to DiffServ model (RFC2474, RFC2475) Priority based queuing (Absolute Priority, WFQ, RED) Extensive monitoring, tracing and troubleshooting facilities Ethernet Services •Self Learning Bridge with up to 1k MAC addresses and automatic ageing •Full-Duplex IEEE 802.3x •Half-Duplex back pressure flow control •Automatic MDI/MDI-X crossover •Broadcast/Multicast storm protection •VLANs (802.1Q and 802.1p) port based management Tag/Re-Tag/Untag Trunking (VLAN multiplexing) Priority based queuing Access Protocols •PPP over Ethernet (RFC2516) •IEEE 802.3 Authentication •PAP/CHAP/MS-CHAPv1 and v2 authentication Service Resiliency • VRRP (RFC2338)Management & Configuration •Password Protected Access 2 login levels + configurable privilege Access right AAA and local authenticationTACACS+ •Local Management Console port Extensive CLI •Remote Management CLI (internal Telnet Server) HTTP (embedded WEB Server) HTTPS (embedded Secure HTTP WEB Server) SNMP Agent (v1, v2c, v3) SSH Syslog Network Performance Monitor Ping MIB TR-069 •Firmware upgrades: Local and Remote (TFTP & FTP client embedded) synchronisation •IEEE 1588 support (transparent clock mode) HW-based (factory set-up optional feature) Ethernet OAM functionality •Link Layer OAM (IEEE 802.3ah OAM) •Service Layer OAM (IEEE 802.1ag •Connectivity Fault Management) •ITU-T Y.1731 Performance Monitoring Environment •Operating Temperature: -5° ÷ 45°C (23° ÷ 113°F) •Non-Operating Temperature: -40° ÷ 70°C (-40° ÷ 158°F) •Operating Humidity: 10 ÷ 93% (noncondensing) Compliance & Approvals •Storage: ETSI EN 300 019-2-1 T 1.3 •Transportation: ETSI EN 300 019-2-2 T 2.3 •Operating Conditions: ETSI EN 300 019-2-3 T 3.2 •EMC: EN 55022, EN 55024, EN 61000-3-2, EN 61000-3-3 •Protection: ITU-T K.21 •Safety: EN 60950-1 Power •External power supply •AC input voltage: 110-240 Vac •AC input frequency: 50-60 Hz •AC input current: 0.2 A

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