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polskiEnglish

  Tahoe 682
   4-wire G.shdsl+ modem with Ethernet interface

pdf Datasheet
pdf User manual

 

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Description
 

4-wire G.shdsl+ modem with Ethernet interface

Tahoe 682 modems take advantage of the latest G.shdsl technology unfolding unprecedented possibilities for the copper leased lines. They achieve throughputs of 11.4 Mbps (symmetrical) on the distance of a few kilometers - faster and farther than any other modem technology.

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Apart from typical G.shdsl modulations it supports TCPAM-32 coding - much more efficient than the standard TCPAM-16, giving higher throughputs and higher reach.

Ease of use
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Build-in LCD and keyboard allows easy configuration even without connecting to PC. Telnet, ssh or serial console management may be used for more detailed setup.

Reliability
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Stability and reliability is provided by multiple hardware and software watchdogs that monitor system status. Solid metal enclosure and rugged design ensures high mechanical durability and long lifespan.

 
Technical data
 
  Throughput
  • up to 5.7 Mbps per port
  • up to 11.4 Mbps on a bundled 4-wire line
  Standards G.shdsl, conforms to ITU G.991.2
  Interface Ethernet 10/100 Base-T
  Modulation TCPAM-32, up to 30% higher reach in comparison to HDSL
  Features
  • TCP/IP router
  • NAT/masquerade
  • firewall
  • built-in LCD and keyboard for easy configuration
  • telnet and SSH management
  • SNMP management
  • serial console management
  • DHCP/BOOTP Server
  • DHCP/BOOTP Relay Agent (relaying of the DHCP/BOOTP requests to a central server)
  • firmware upgrade using TFTP
  • managed or unmanaged bridge functionality
  • logging through syslog
  • 802.1q VLAN support
  • inside temperature measurement
  • automatic traffic balancing among two DSL lines
  • individual throughput settings for each line (in case of quality differences between the lines)
  • automatic fall back to 2-wire transmission in case of line failure
  Processor Freescale PowerPC 50MHz
  Memory 4MB SDRAM
  Performance up to 8,200 packets per second
  Network protocols
TCP, IP, UDP, ICMP, TFTP, SNMP, DHCP, BOOTP, PPP, Frame Relay, HDLC, Cisco® HDLC, IEEE 802.1q
  WAN encapsulation
ATM AAL5
  Dimensions 200 mm (width) x 130 mm (depth) x 45 mm (height)
  Power supply
15-30V, 360-180 mA, 5W (110-230V/50-60Hz power supply included)

 
Reach
 

Values below were measured on a test line of 0.5mm wire diameter. They depend on an actual line and thus are not guaranteed. They may be different - higher or lower - in an individual case.

Throughput Reach on 4 wires
Reach on 2 wires
11392 kbps 2500 m -
6272 kbps 3500 m -
5696 kbps 3600 m 2500 m
3072 kbps 4100 m 3500 m
2048 kbps 5000 m 3900 m
1024 kbps 6900 m 5000 m


22784 kb/s
 
Additional information
 
pdf User manual update
 
 

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