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

$590.00 - $860.00

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 - $736.00

NetVanta 7100 T1/PRI Voice Interface Module provides one RBS T1 or one PRI (5E, DMS100, or National) interface for termination of TDM voice trunks and includes DBU port. ... Read more

$286.00 - $472.00

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

$660.00 - $930.00

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

$259.00 - $626.00

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

$65.00 - $419.00

This Smart 16/16e rackmount T1 DSU/CSU module terminates a DS1 signal and provides an EIA-530 DB-25 DTE connection. ... Read more

$82.00 - $88.00

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

$138.00 - $150.00

The NetVanta Series of internetworking products are designed for cost-effective Internet access, corporate Frame Relay, point-to-point connectivity, and Virtual Private Networks (VPN). These modular platforms offer a complete turnkey solution for IP access routing, WAN connectivity. ... Read more

$212.00 - $228.00

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

$700.00 - $780.00

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 - $694.00

ADTRAN 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 why a... Read more

$1075.00 - $1075.00

The ADTRAN T1 CSU ACE is a compact, full-featured T1 channel service unit used to connect T1 data terminal equipment (DTE) and T1 facilities. The unit is designed to provide alarms, loopbacks, signal regeneration, line build out, and surge protection, as well as maintain 1s density for the DTE and T... Read more

$139.00 - $149.00

The ADTRAN TSU ESP is a full-featured T1/FT1 Data Service/Channel Service Unit (DSU/CSU) with an integral SNMP agent and optional, modular dial backup (DBU) capabilities. It provides an interface between T1 or Fractional T1 service and the customer's data terminal equipment (DTE). The TSU ESP provid... Read more

$790.00 - $1080.00

ADTRAN 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 why a... Read more

$690.00 - $930.00

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

$645.00 - $645.00