Virtual Access

ADSL Encapsulation Modes

• G.992.1 and G.992.2 Annex A (Model: GW53XX-A)
• G.992.2 Annex B (Model: GW53XX-B)
• G.992.1 and G.992.2 Annex C (Model: GW53XX-C)
• PPP over ATM routing (RFC2364)
• PPPoE over ATM routing (RFC1483)
• MAC-level bridging (RFC1483)
• LLC Encapsulation
• VC Multiplexing

T1/E1 Encapsulation Modes

• Frame Relay
• PPP
• Frame Relay inside PPP
• T1 basic and ESF, E1 basic and CRC4 framing formats
• AMI, B8ZS coding formats for T1 and AMI and HDB3 for E1
• Local and remote loopback
• Facility Data Link (FDL) support
• BERT (Bit Error Rate Testing) support

Quality of Service

• QoS support of classification and marking services

Management

• Telnet Server
• Fast.Start for easy configuration
• Customisable embedded web interface
• TFTP client download and upload
• Configuration change log
• SNMP

Fault Investigation and Reporting

• Graphical ADSL status monitor
• Graphical DSL connection monitor
• Graphical DSL connection history applet
• Event logging
• Full web-based protocol-level trace and debug
• Syslog support
• Email event alerting
• Trace route
• Ping (single/continuous)

Service Features

• Configurable host traffic monitoring applet
• DHCP server/client
• DHCP relay
• DNS proxy
• Local and remote advanced configuration
• BOOTP client
• IP Address translation
• Packet filtering and firewalling
• Performance Monitor

Routing Features

• Support for IP, TCP, UDP, ICMP, ESP, AH
• Static and dynamic IP routing algorithms
• Van Jacobson header compression
• PPP
• PAP/CHAP security
• RIP and RIP2
• Network time protocol
• X.25 Over TCP/ IP (XOT)
• Async Over TCP/IP
• SNMP MIB II
• VLAN 802.1Q
• IPPAD
• X.28

Frame Forwarding

• Forwarding of HDLC frames between serial interface and ISDN interface

IPSec

• Manual and automatic key management
• HMAC-MD5-96 and HMAC-SHA-1-96
• 3DES (168bit) and DES (56bit) with explicit IV

IKE-Related VPN Specifications

• Main mode, aggressive mode and quick mode
• Authentication using RSA signatures, DSS signatures and pre-shared keys

ADSL Interface

• RJ45 connector wired as inner pair

E1 Interface

• RJ45 connector, 120 ohm balanced
• ITU G.703 and G.704 compliant
• E1 CSU
• Supports data rates from 64Kbps to 2Mbps

T1 Interface

• RJ45 connector, 100 ohm balanced
• T1 DSU/CSU
• ANSI T1.403 compliant
• Data rates from 64 Kbps to 1.5Mbps

ISDN and IDSL Interface

• ISDN basic rate S/T-interface presented on RJ45

ISDN Switch Support

• CCITT I.430, Q.921, Q.931
• All European ISDN carriers (ETSI Euro ISDN-NET3)
• National ISDN-1 and ISDN-2 (North America)
• NTT, KDD (Japan)
• ISDN NT mode interface option

LAN Interface

• Quad 10/100 Base-T Ethernet ports
• Auto detects full- or half-duplex operation
• Auto detects a regular or crossover cable for easy connection to a switch or hub

Synchronous Serial Interface

• Single synchronous/asynchronous serial port
• Supports RS-232E, RS-422A, RS-449, RS-485, RS-530, V.24, V.35, V.36 and X.21 using a single 44-way D-type female connector
• Supports async serial speeds up to 115.2Kbps
• Synchronous connection up to 2Mbps

Quad Asynchronous Serial Interface

• Four asynchronous serial ports
• Supports RS232 and RS485 (full- and half-duplex)
• Speeds up to 115.2Kbps
• 4 RJ45 RS232D DCE presentation

Modem Interface

• V.92 support up to 56Kbps
• RJ11 socket

Analog leased line

• Provides an analog leased line interface
• Supports V.21, V22, V.22bis, V23, Bell 103, Bell 212A
• RJ11 socket on rear of enclosure

General Pupose I/O

• Optional general purpose I/O input and output

Power

• 100V–240V AC
• DC power input option

Physical and Environmental

• Unit size 310 W x 172 D x 43 H mm
• Unit weight 2.4 kg
• Packaging size 345 W x 215 D x 110 H mm
• Includes an installation kit for a 19-inch rack
• Industrial temperature range -40°C to 70°C

GPRS

• GPRS multi-slot class 12
• GPRS class 12: max. 86 kbps (DL & UL)
• 50 ohm compatible SMA female antenna connector