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Tahoe 681/682/684 - G.SHDSL+ Modems with FastEthernet interface

Tahoe 681 and Tahoe 682 modems take advantage of the latest G.shdsl technology providing unprecedented possibilities for copper leased lines. They achieve throughputs of nearly 11.4 Mbps (symmetrical) on the distance of a few kilometres - faster and further than any other modem technology. Developed to combine performance, quality, and scalability, the Tahoe range of next generation DSL modems take advantage of the latest G.SHDSL technology to help address customers’ needs for greater bandwidth while using existing copper infrastructure. The Tahoe 681 uses a single pair of copper cabling achieving data rates up to 5.7Mbps. The Tahoe 682 uses two pairs of copper cabling with speeds of up to 11.4Mbps. The Tahoe 684 uses four pairs of copper cabling achieving speeds up to 22.8Mbps. The modem has a built-in TCP/IP router and an Ethernet 10/100Base-T interface allowing connection directly to a LAN. The Tahoe is manageable using telnet, SNMP, serial console or built-in LCD and keyboard. Traffic statistics are available through the embedded HTTP server while Modem status messages can be sent to a central server using the syslog protocol. Further advanced features include automatic traffic balancing between DSL lines, the ability to configure individual line rates on each transmission line to cater for differences between line pair quality. The modems will also continue to operate should pairs fail, a feature that sets this product apart from its peers.

Tahoe DSL Access Multiplexer

The Tahoe DSL Access Multiplexer is a perfect solution for large DSL providers requiring concentration of a high number of DSL lines in a small space. Developed to combine performance, quality, and scalability, the Tahoe DSLAM takes advantage of the latest G.SHDSL technology to help operators address customers’ needs for greater bandwidth. The Tahoe DSLAM is a 19” rack-mountable, 3U high unit designed to gather multiple G.SHDSL.bis modems in one space saving system. It can hold up to 8 Tahoe 4681 cards each containing 4 modems, giving a total capacity of 32 G.SHDSL.bis lines. Each line is capable of working either individually or as part of a 1, 2 or 4 pair trunk. The Tahoe DSLAM is equipped with a management card and two hot-swappable, redundant power supplies. The management card provides central control of all devices and has a variety of management interfaces, including a local console and out-of-band Ethernet. For ease of use, the Tahoe DSLAM has a 4-button keyboard, Ethernet port, serial console port and a 4”colour LCD screen making it easy to view all operating parameters of cards within the chassis. The Tahoe DSLAM has the ability to support layer 2 bridged services with full VLAN support as well as Layer 3 routed services with NAT, firewall and access control lists.

Tahoe 4681 - Four-port G.shdsl.bis Modem Card

The Tahoe 4681 is a 4-port G.SHDSL.bis card providing a total capacity of 32 G.SHDSL.bis lines in a single Tahoe DSLAM. Each line may work separately or they may be bundled within the card to support 1, 2 and 4 pair operation. Each modem port achieves a maximum throughput of 5.7 Mbps. The pairs can be bundled using up to 4 pairs giving speeds reaching 22.8 Mbps. With the Tahoe 4681 card it is possible to connect 4 Tahoe 681 modems, 2 Tahoe 682Tahoe 684 modems or 1 on the other end of the pairs. The traffic on these lines may be mixed together in bridge mode or separated using VLANs. As well as standard G.shdsl modulations they support TCPAM-32 coding - much more efficient than the standard TCPAM-16, giving higher throughputs and higher reach.

SHRM03b - TDM 4U Managed 16-Slot G.SHDSL.bis TDM Chassis

The SHRM03b-CH chassis is a 4U 19 (23)" rack that supports dual power and 16-slot for 2 wires dual channels, 4 wires single channel hot swappable cards for G.703 E1, T1, V.35 (RS-530/449/X.21) and bridged Ethernet. Utilizing industry standard SNMP protocol, the management feature can configure and monitor each local channel and the connected remote modems. All the SHRM03b TDM chassis power supplies are hot swappable and modular, installing two into a chassis, provides redundancy should a single power supply fail.

SHDTU03b-E1 2/4 Wire G.SHDSL.bis TDM E1 NTU

The SHDTU03b family of G.SHDSL.bis TDM based modems is a telecom product for carriers or SME users. The SHDTU03b-E1 offers an ITU-T G.703 DTE interface which works over an SHDSL interface. The modem supports two different connectors for G.703 E1 application (balanced 120 Ohm RJ45 or unbalanced 75 Ohm dual BNCs) at bit rates from 64kbps to 2.048Mbps. The SHDTU03b-E1 can be configured and managed via EOC, or menu-driven VT100 compatible Async.terminal Interface, either locally or remotely.

SHDTU03b-Data 2/4 Wire G.SHDSL.bis TDM Data (V35/X21/RS530) NTU

The SHDTU03b-V35 offers a V.35 DTE interface which works over an SHDSL interface. The V.35 interface provides high-speed TDM services by way of a DB25 I/F and adapter cable. The factory selected RS-530 interface will electrically support RS-530, X.21and RS-449 with appropriate adapter cable. The data rate of DB25 I/F may be up to 5.696Mbps within one pair copper wires or 11.392Mbps within two pairs copper wires. The SHDTU03b-V35 can be configured and managed via EOC, or menu-driven VT100 compatible Async. terminal Interface, either locally or remotely.

SHDTU03b-ET100 2/4 Wire G.SHDSL.bis TDM (Bridge) NTU

The SHDTU03-ET100 offers a 10/100Base-TX interface which works over an SHDSL interface. The Ethernet interface provides Ethernet over TDM services by way of a HDLC encapsulation and RJ-45 connector. The data rate of Ethernet I/F may be up to 2.304Mbps with one pair copper wires. The SHDTU03-ET100 can be configured and managed via EOC, or menu-driven VT100 compatible Async. terminal Interface, either locally or remotely.

SHDTU03b-31 2/4-Wire G.SHDSL.bis TDM (E1,V35,LAN) NTU

The SHDTU03b-31 offers three DTE I/Fs (E1, V.35, and Ethernet), which can work simultaneously to share DSL bandwidth. The user-configurable interfaces provide flexible application for various connections. The modem supports two different connectors for G.703 E1 application (balanced 120 Ohm RJ45 or unbalanced 75 Ohm dual BNCs) at bit rates from 64kbps to 2.048Mbps. The V.35 interface provides high-speed TDM services by way of a DB25 I/F and adapter cable. The factory selected RS-530 interface will electrically support RS-530, X.21and RS-449 with appropriate adapter cable. The data rate of DB25 I/F may be up to 5.696Mbps within one pair copper wires or 8.192Mbps within two pairs copper wires. The modem provides 10/100Mbps auto-negotiated Fast Ethernet via an RJ45 LAN connector, which offers customer premise high-speed LAN over TDM services. The SHDTU03b-31 can be configured and managed via EOC, or menu-driven VT100 compatible Async. terminal Interface, either locally or remotely.

SHDTU03b-31T 2/4-Wire G.SHDSL.bis TDM (E1/T1, V.35, LAN) NTU

In one device, the SHDTU03b-31T offers three DTE I/Fs (E1/T1, V.35, and Ethernet), which can work simultaneously to share DSL bandwidth. The user-configurable interfaces provide flexible application for various service connections. The modem supports two different connectors for G.703 E1/T1 applications (balanced 120 Ohm E1 or 100 Ohm T1 RJ45, unbalanced 75 Ohm dual BNCs) at bit rates from 64kbps to 2.048Mbps. The V.35 interface provides high-speed TDM services by way of a DB25 I/F and adapter cable. The factory selected RS-530 interface will electrically support RS-530, X.21and RS-449 with appropriate adapter cable. The data rate of DB25 I/F may be up to 5.7Mbps within one pair copper wires or 11.4Mbps within two pairs copper wires. The modem provides 10/100Mbps auto-negotiated Fast Ethernet via an RJ45 LAN connector, which offers customer premise high-speed LAN over TDM services. The SHDTU03b-31T can be configured and managed via LCD, or menu-driven VT100  compatible asynchronous terminal Interface, either locally or remotely.

SHRM03b-TDM Data (V35/X21/RS530) Card