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Model 3231 User Manual B • Specifications
General characteristics
• Compact low-cost Plug ‘n’ Play NTU
• 10/100 Ethernet port
• Unlimited host support
• Comprehensive hardware diagnostics, independent of operating system, easy maintenance and
effortless installation
• Built-in web configuration
• Simple software upgrade using HTTP and TFTP
• Nine front panel LEDs indicate Power, DSL WAN, Ethernet LAN speed and status
• Convenient and standard RJ connectors for Ethernet, Line, and Console
• External UI
• Field factory default option
• Standard 1 year warranty
G.SHDSL characteristics
• 4.6 Mbps maximum speed over 2-wire
• Data rates from 192 kbps to 4.608 Mbps
• Annex A (ANSI), Annex B (ETSI) PSD selection
• 2-wire support ITU G.991.2 and ETSI TS 101524 with G.994.1 handshake
• When connecting two NTUs in a point-to-point application, one 3231 must be set for central mode, the
other for remote mode
• EOC management channel for remote end-to-end management
Ethernet
• Auto-negotiating Full-duplex 10Base-T/100Base-TX Ethernet
• Standard RJ-45
• IEEE 802.1d transparent learning bridge up to 1024 addresses and Spanning Tree Protocol
Protocol support
• Complete internetworking with IP (RFC 741), TCP (RFC 793), UDP (RFC 768), ICMP (RFC 950),
ARP (RFC 826)
• Built-in Ping and Traceroute facilities
• Point-to-Point Protocol over HDLC