... λόγω του οτι δεν βολεύει με το Port forwarding.
Είναι για ANNEX B (isdn) αλλά γίνεται με firmware update ai ANNEX A (pstn). Τα χαρακτηριστικά του: Είναι το απλό μοντέλο χωρίς VoIP και Wlan.
Vigor 2820 Series Detailed Specification
Είναι για ANNEX B (isdn) αλλά γίνεται με firmware update ai ANNEX A (pstn). Τα χαρακτηριστικά του: Είναι το απλό μοντέλο χωρίς VoIP και Wlan.
Vigor 2820 Series Detailed Specification
- Physical Interfaces:
- LAN Ports (Switch)
- 1 X Gigabit Ethernet (1000Mb/s) Ports
- 3 X Megabit (100Mb/s) Ports
- Port-Based VLAN (Inclusive/Exclusive Groups)
- WAN Ports:
- ADSL Port Compliant with:
- ANSI T1.413 Issue2
- ITU-T G.992.1 G.dmt (ADSL)
- ITU-T G.992.2 G.lite
- ITU-T G.992.3 ADSL2
- ITU-T G.992.5 ADSL2+
- Annex L (READSL)
- Annex M
- Secondary WAN Port : 10/100 Base-TX Ethernet for load balance and WAN failover
- USB Port for 3G Cellular Modem or Printer
- ADSL Port Compliant with:
- VoIP: 2-port FXS Phone Ports (Vigor2820 'V' models only)
- ISDN: 2-Ports. One fixed S0, one configurable NT / TE mode ('S' model only)
- LAN Ports (Switch)
- Load Balance/Failover Features:
- Outbound Policy-Based Load-Balance
- WAN Connection Fail-over
- BoD (Bandwidth on Demand)
- Vigor 2820 ATM Protocols (DSL):
- RFC-2684/RFC-1483 Multiple Protocol over AAL5
- RFC-2516 PPP over Ethernet
- RFC-2364 PPP over AAL5
- PPPoE pass through LAN/WLAN
- PPPoE/PPPoA Relay
- Transparent bridge for MPoA
- Multiple PVC support for Triple Play Applications (up to 8 simultaneous)
- Wireless LAN Features ('n' Models Only):
- 802.11n Compliant (Draft 2.0)
- Latest 'MIMO' Technology with three aerials (2T3R)
- Multiple SSID : Create up to 4 virtual wireless LANs (independent or joined)
- Packet Aggregation and Channel Bonding
- Optional Higher Gain or directional aerials available - Click Here.
- Compatible with 802.11b and 802.11g Standards
- Active Client list in Web Interface
- Wireless LAN Isolation (from VLAN groups and wired Ethernet interfaces)
- 64/128-bit WEP Encryption
- WPA/WPA2 Encryption
- Switchable Hidden SSID
- Restricted access list for clients (by MAC address)
- Time Scheduling (WLAN can be disabled at certain times of day)
- Access Point Discovery
- WDS (Wireless Distribution system) for WLAN Bridging and Repeating (Firmware Upgradable)
- 802.1x Radius Authentication
- Wireless Rate-Control
- Automatic Power Management
- 802.11e WMM (Wi-Fi Multimedia)
- VoIP Features (Vigor2820 'V' Models only):
- Protocols: SIP, RTP / RTCP
- 12 SIP Registrar Accounts (for up to 12 VoIP providers)
- Line port for PSTN Passthrough (integrates POTS line)
- Auto-fallback to PSTN under power/Internet failure
- G.168 Line Echo-cancellation
- Automatic Gain Control
- Jitter Buffer ( 125ms )
- Voice Codecs:
- G.711 A / ΅ Law
- G.723.1
- G.726
- G.729 A / B
- VAD / CNG
- Tone Generation: DTMF , Dial , Busy , Ring Back , Call Progress
- DTMF Transmission: In Band / Out Band ( RFC-2833 ) / SIP info
- FAX / Modem Support G.711 Pass-through
- T.38 for FAX
- Supplemental Services:
- Caller ID
- Call Hold / Retrieve
- Call Waiting
- Call Waiting with Caller ID
- Call Transfer
- Call Forwarding ( Always , On Busy and On No Answer )
- DND (Do not Disturb)
- Call Barring ( Incoming / Outgoing )
- MWI ( Message Waiting Indicator ) ( RFC-3842 )
- Hotline (Dial preset number when handset lifted)
- ISDN Features (Vigor2820 'S' Model Only):
- RJ-45 S/T Interfaces
- ISDN Loop-Through
- ISDN On-net / Off-net
- Euro ISDN Compatible
- Automatic ISDN Backup for Internet Access
- Support 64 / 128Kbps ( Multilink-PPP)
- BoD ( Bandwidth on Demand )
- Remote Dial-In / LAN-to-LAN Connection
- Remote Activation (Dial back on ISDN Caller ID recognition)
- ISDN Port Passthrough During Power Cut
- WAN Protocols (Ethernet):
- DHCP Client
- Static IP
- PPPoE
- PPTP
- L2TP *
- BPA
- Firewall & Security Features:
- CSM (Content Security Management):
- URL Keyword Filtering - Whitelist or Blacklist specific sites or keywords in URLs
- Surfcontrol Support - Block Web sites by category (subject to subscription)
- Prevent accessing of web sites by using their direct IP address (thus URLs only)
- Blocking automatic download of Java applets and ActiveX controls
- Blocking of web site cookies
- Block http downloads of file types :
- Binary Executable : .EXE / .COM / .BAT / .SCR / .PIF
- Compressed : .ZIP / .SIT / .ARC / .CAB/. ARJ / .RAR
- Multimedia : .MOV / .MP3 / .MPEG / .MPG / .WMV / .WAV / .RAM / .RA / .RM / .AVI / .AU
- Time Schedules for enabling/disabling the restrictions
- Block P2P (Peer-to-Peer) file sharing programs (e.g. Kazza, WinMX etc. )
- Block Instant Messaging programs (e.g. IRC, MSN/Yahoo Messenger etc.)
- Multi-NAT, DMZ Host
- Port Redirection and Open Port Configuration
- Policy-Based Firewall
- MAC Address Filter
- SPI ( Stateful Packet Inspection ) with new FlowTrack Mechanism
- DoS / DDoS Protection
- IP Address Anti-spoofing
- E-Mail Alert and Logging via Syslog
- Bind IP to MAC Address
- CSM (Content Security Management):
- Bandwidth Management:
- QoS
- Guaranteed Bandwidth for VoIP
- Class-based Bandwidth Guarantee by User-Defined Traffic Categories
- DiffServ Code Point Classifying
- 4-level Priority for each Direction (Inbound / Outbound)
- Bandwidth Borrowed
- Temporary (5 minute) Quick Blocking of any LAN Client
- Bandwidth / Session Limitation
- Network/Router Management:
- Web-Based User Interface (HTTP / HTTPS)
- CLI ( Command Line Interface ) / Telnet / SSH*
- Administration Access Control
- Configuration Backup / Restore
- Built-in Diagnostic Function
- Firmware Upgrade via TFTP / FTP
- Logging via Syslog
- SNMP Management with MIB-II
- TR-069
- TR-104
- VPN Facilities:
- Up to 32 Concurrent VPN Tunnels (incoming or outgoing)
- Tunnelling Protocols: PPTP, IPSec, L2TP, L2TP over IPSec
- IPSec Main and Agressive modes
- Encryption : MPPE and Hardware-Based AES / DES / 3DES
- Authentication : Hardware-Based MD5 and SHA-1
- IKE Authentication : Pre-shared Key and X.509 Digital Signature
- LAN-to-LAN & Teleworker-to-LAN connectivity
- DHCP over IPSec
- NAT-Traversal ( NAT-T )
- Dead Peer Detection (DPD)
- VPN Pass-Through
- Network Features:
- DHCP Client / Relay / Server
- Dynamic DNS
- NTP Client (Syncrhonise Router Time)
- Call Scheduling (Enable/Trigger Internet Access by Time)
- RADIUS Client
- DNS Cache / Proxy
- Microsoft? UPnP Support
- Routing Protocols:
- Static Routing
- RIP V2
- Operating Requirements:
- Rack Mountable (Optional Vigor 2820 mounting bracket required)
- Wall Mountable
- Temperature Operating : 0°C ~ 45°C
- Storage : -25°C ~ 70°C
- Humidity 10% ~ 90% (non-condensing)
- Power Consumption: 18 Watt Max.
- Dimensions: L240.96 * W165.07 * H43.96 ( mm )
- Operating Power: DC 15V (via external PSU, supplied)
- Warranty : Two (2) Years RTB
- Power Requirements : 220-240VAC
