ADTRAN solutions maximize performance, lower costs, and help companies achieve the best return on investment. ADTRAN is committed to achieving success for customers by offering "best-in-class" products with outstanding value. Let ADTRAN work for you. ... Read more

$1324.00 - $1509.00

The 2FXO module is one of several expansion modules for the TSU Multiplexer family. This module should be selected when a connection to one or two voice line cards of a key system or PBX is required. PBX extensions may be extended to a remote site by combining a TSU on the remote end with FXS module... Read more

$250.00 - $398.00

Adtran's Dual T1/FT1 Network Interface Module (NIM) is for use with NetVanta 3000 series and NetVanta 4305 Access Routers and NetVanta 1224R/STR Switches with integrated routers. ... Read more

$375.00 - $511.00

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$50.00 - $92.00

The 2FXO module is one of several expansion modules for the TSU Multiplexer family. This module should be selected when a connection to one or two voice line cards of a key system or PBX is required. PBX extensions may be extended to a remote site by combining a TSU on the remote end with FXS module... Read more

$250.00 - $360.00

The ADTRAN TSU multiplexer family provides end users flexibility with the capability to add and remove option modules for voice, data and video. Some of the most popular applications in which the TSU is used involve high speed data interfaces for routers, audio broadcasting systems, and video-confer... Read more

$276.00 - $393.00

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$1390.00 - $1500.00

The Dual Universal Synchronous Serial Interface (USSI) module combines with other Atlas components to provide solutions for a variety of wide area networking applications. Providing two synchronous EIA-530, EIA-530A, X.21, (V.11), V.36, RS-449 or RS-232 DTE ports, the Quad USSI module serves as the ... Read more

$746.00 - $980.00

The DSX-1 Module is one of several expansion modules for the TSU multiplexer. This module should be selected when a standard DSX-1 interface is required, such as a connection to a PBX. The DSX-1 interface is provided on both RJ-45C and DB-15 physical and electrical interfaces providing DTE distances... Read more

$155.00 - $373.00

The DSX-1 Module is one of several expansion modules for the TSU multiplexer. This module should be selected when a standard DSX-1 interface is required, such as a connection to a PBX. The DSX-1 interface is provided on both RJ-45C and DB-15 physical and electrical interfaces providing DTE distances... Read more

$239.00 - $373.00

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

$650.00 - $970.00

Alliance Datacom has been in the networking business almost 7 years and strives to assist its customers with the right products and solutions for their networking needs.??This high speed V.35 interface card provides a female V.35 connector and will support rates up to 10 Mbps. ... Read more

$350.00 - $540.00

The FXO module is one of several expansion modules for the ATLAS 550 integrated access devices. It provides eight (8) foreign exchange office loop interfaces. This module should be selected when a connection to one to eight voice line cards of a key system or PBX is required. PBX extensions may be e... Read more

$840.00 - $1265.00

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

$189.00 - $237.00

When a small number of high-speed DTE ports are required, the network manager may choose to use the Nx56/64 V.35 expansion Module. Providing a single, female V.35 Winchester interface, the Nx56/64 V.35 Module offers a standard interface to synchronous data applications.??Using the built-in 8 kbps in... Read more

$180.00 - $236.00

The TSU Multiplexer FXS+ option modules provides four 2-wire interfaces that can operate in the PLAR, Tandem (MEGACOM), or FXS mode. The available modules provide 2- and 4-port voice interfaces that supply line current to station equipment. The original FXS+ modules support message waiting and highe... Read more

$276.00 - $278.00

The Dial Backup capability of the TSU ESP allows for automatic switched backup in the event of a dedicated T1 line failure. The Dial Backup is accomplished through a family of plug-in ESP DBU cards. ??This is the External DCE DBU card. When a failure condition occurs on the T1/FT1, the DBU card util... Read more

$123.00 - $123.00

The Quad Universal Synchronous Serial Interface (USSI) module combines with other ATLAS components to provide solutions for a variety of wide area networking applications. Providing EIA-232 DTE port, the Quad USSI module serves as the interface for high-speed routers and other DTE equipment to acces... Read more

$1795.00 - $2215.00

ADTRAN solutions maximize performance, lower costs, and help companies achieve the best return on investment. ADTRAN is committed to achieving success for customers by offering "best-in-class" products with outstanding value. Let ADTRAN work for you. ... Read more

$186.00 - $233.00

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. The Dual OCU DP expansion mod... Read more

$175.00 - $685.00