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 DSU III AR is a technologically advanced, high performance data service unit/channel service unit. This unit provides a reliable interface between the digital data service (DDS) or 4-wire Switched 56 (SW56) network and the customer's data terminal equipment (DTE). The unit is an all-rate ... Read more

$437.00 - $530.00

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

$283.00 - $364.00

The ADTRAN Dual DSU III Module is one of several expansion modules for the TSU multiplexer family of products. This module should be selected when the customer's data terminal equipment (DTE) needs to be connected to the Digital Data Service (DDS) or the Switched 56 network using a T1 line. The modu... Read more

$266.00 - $438.00

The ADTRAN Dual DSU III Module is one of several expansion modules for the TSU multiplexer family of products. This module should be selected when the customer's data terminal equipment (DTE) needs to be connected to the Digital Data Service (DDS) or the Switched 56 network using a T1 line. The modu... Read more

$189.00 - $438.00

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 - $630.00

The ADTRAN DSU III DBU, a high-performance rackmount data channel service unit (DSU/CSU), provides an interface between the digital data service (DDS) and the customers data terminal equipment (DTE) while providing automatic switched dial backup (DBU) of the dedicated circuit. This is the 1B+D ISDN ... Read more

$557.00 - $557.00

The ADTRAN DSU III TDM, a full-featured four-port digital data service (DDS) data service unit/channel service unit (DSU/CSU), connects up to four DTE devices to a single 56/64 kbps DDS circuit. One communications link is shared by up to four DTE devices through time division multiplexing (TDM). The... Read more

$470.00 - $470.00

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$107.00 - $107.00