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