To support analog voice applications in the TSU multiplexer, ADTRAN has several modules available that provide FXS, FXO and E&M interfaces. For flexibility, the analog voice modules come in a variety of formats. These modules provide a quick and simple upgrade path for TSU multiplexers requiring... Read more

$487.00 - $610.00

The Adtran Total Access 1500 Dual T1 Line Interface Unit (LIU) is a common module plug-in unit that connects the channel bank to a T1 line at the DSX-1 level. All data formatting and line encoding, as well as backplane timing and control, are performed by the ACT LIU. The LIU can be provisioned loca... Read more

$154.00 - $951.00

The ADTRAN TSU LT is a low cost, full-featured T1/FT1 Data Service/ Channel Service Unit (DSU/CSU). The TSU LT provides an interface between T1 or Fractional T1 service and the end user's Data Terminal Equipment (DTE) for applications such as LAN to LAN bridging, Frame Relay circuit termination and ... Read more

$627.00 - $690.00

... Read more

$277.00 - $330.00

ADTRAN, Inc. designs, develops, and manufactures ADvanced TRANsmission products for high-speed digital communications. ADTRAN commitment to total customer satisfaction requires continually developing and improving products to meet changing needs while maintaining the highest level of quality. That's... Read more

$158.00 - $192.00

The ADTRAN DSU 5600 provides cost-effective solutions for termination of 56 kbps DDS services. The unit is a very economical solution for single port point-to-point, multi-point or frame relay applications. Extensive use of VLSI technology provides a highly reliable feature-rich DSU. The enclosure f... Read more

$268.00 - $364.00

The NetVanta ISDN BRI DIM provides dial backup access to the public switched telephone network (PSTN) via Basic Rate ISDN for the NetVanta. This DIM is a plug-on module that connects to the NIM. ... Read more

$177.00 - $294.00

The ADTRAN DSU IV ESP (data service unit with embedded SNMP) provides a reliable, high-speed data connection for customer data terminal equipment (DTE) through digital data service (DDS) lines. The DSU IV ESP has an embedded SNMP (simple network management protocol) agent that provides complete SNMP... Read more

$522.00 - $815.00

Single port T1/FT1 SNMP DSU/CSU provides an interface between T1 or Fractional T1 service and the customer's Data Terminal Equipment (DTE). The TSU ESP provides access to traditional dedicated point-to-point T1circuits as well as Frame Relay services. The TSU ESP supports synchronous data rates from... Read more

$755.00 - $780.00

The V.34 DBU Module provides switched backup of the leased line application. This module allows backup data rates of up to 33.6Kbps over the public switched telephone network (PSTN).??PRODUCT FEATURES:??Provides V.34 modem dial backup rates up to 33.6 Kbps via RJ-45 analog POTS line; ?Provides dial ... Read more

$349.00 - $393.00

The ADTRAN Express 3000 series is a family of ISDN modems that are ideal for remote access and corporate connectivity. The series is capable of transmitting data at speeds up to 230.4 kbps, when using hi/fn compression or up to 512 kbps when using Microsoft compression. They include both ISDN termin... Read more

$200.00 - $200.00

The ADTRAN Total Access Ear and Mouth /Transmit Only Dataport (E&M/TO) is an access module that plugs into a single channel slot of a Total Access 1500 platform. It provides an interface between a platform PCM interface and a Voice Frequency (Voice Frequency) transmission facility with E&M D... Read more

$125.00 - $156.00

Improve and lower the costs of Internet communications for both enterprise businesses and network service providers by attaching this 4-port ISDN module to your Atlas 550 Enterprise Integrated Access Device. ... Read more

$63.00 - $64.00

ADTRAN designs, develops and manufactures ADvanced TRANsmission products for high-speed digital communications. ADTRAN's commitment to total customer satisfaction requires continually developing and improving products to meet changing needs while maintaining the highest level of quality. That's why ... Read more

$193.00 - $196.00

The ADTRAN Dual OCU DP Module is an expansion module for the TSU Multiplexer family. Designed to provide full OCU DP operation for office applications, the module can be used to extend 64k DDS, Switched 56 or Frame Relay circuits up to 18, 000 feet from the multiplexer. For CPE applications, the Dua... Read more

$685.00 - $685.00

ATLAS 800 Series Option Module provides 8 FXS analog RJ interfaces to support major FXS applications with the exception of message waiting indication. It includes ring generator and eight RJ-45-RJ11 cables (7 ft). ... Read more

$970.00 - $970.00

The ADTRAN TSU LT is a low cost, full-featured T1/FT1 Data Service/ Channel Service Unit (DSU/CSU). The TSU LT provides an interface between T1 or Fractional T1 service and the end user's Data Terminal Equipment (DTE) for applications such as LAN to LAN bridging, Frame Relay circuit termination and ... Read more

$627.00 - $627.00

The ADTRAN Total Access 1500 Dual DS0 Dataport is a two-port access module used in the Total Access 1500 platform. It serves as an interface to the basic DDS DS0 (64 kbps) signal to a T-carrier line. The Dual DS0 DP is generally located in either a hub or intermediate office. It is used in conjuncti... Read more

$312.00 - $312.00