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Adtran Quad FXS+ Voice Interface Card (1202300L1)

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

Stores Selling: 10

$487.00 - $610.00

Adtran TSU LT (3rd Gen) DSU / CSU (1203060L1)

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

Stores Selling: 9

$599.00 - $736.00

Adtran ATLAS 550 OCTAL FXS MOD-Voice interface card (1200309E1) Analog Modem

Stores Selling: 7

$695.00 - $793.00

Adtran DSU III AR DC (1200270L1)

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

Stores Selling: 2

$463.00 - $530.00

Adtran DSU IV ESP (4204011L1)

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

Stores Selling: 2

$522.00 - $630.00

Adtran TSU ACE (2ND GEN) [adn-1202295l1]

Stores Selling: 2

$431.00 - $463.00

Adtran (4200410L1)

The ADTRAN® ESU LT is a full featured E1/FE1 data service unit/channel service unit (DSU/CSU). It provides an interface between E1 or Fractional E1 service and the end user's data terminal equipment (DTE) for applications such as LAN-to-LAN bridging, Frame Relay circuit termination and video-confer... Read more

Stores Selling: 1

$707.00 - $707.00

Adtran (1200314L1) ISDN Modem

The Dual T1/PRI module combines with other ATLAS components to implement a variety of WAN access products, including a T1 Bandwidth Manager, an ISDN Switch, and a Digital Access Cross-Connect System (DACS). The module provides two user ports, each of which can be independently configured to operate ... Read more

Stores Selling: 1

$645.00 - $645.00

Adtran REFURB TDU120DC 1200.155L1 (1200155L1)

Stores Selling: 1

$578.00 - $578.00

Adtran (1202066L1) DSU / CSU (ADN1202066L1)

The ADTRAN T1 ESF CSU is a full-featured T1 Channel Service Unit used to connect T1 data terminal equipment (DTE) such as a PBX, switch or channel bank to T1 facilities. Capable of interfacing to both B8ZS or AMI circuits, the T1 ESF CSU can convert signal formats or line code to integrate older equ... Read more

Stores Selling: 1

$610.00 - $610.00

Adtran (1203060L1) E1 / FE1 Modem (ADN1203060L1)