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 - $1041.00

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

$650.00 - $930.00

The Catalyst 6000 family 8-port T1/E1 PSTN interface module is a high-density, 8-port, T1/E1 Voice over IP (VoIP) module that can support digital T1/E1 connectivity to the Public Switched Telephone Network (PSTN) or transcoding and conferencing. The module requires an IP address, is registered with ... Read more

$934.00 - $1200.00

Modems are the most widely used way to get online, from big cities to the backwoods. And all the modems that 3Com offers to you are part of a long and distinguished line of award-winning, history-making products that connect people to information, ideas and each other. ... Read more

$427.00 - $995.00

The MP 595 GPS provides in-vehicle data solutions while operating over CDMA EV-DO Revision A networks with peak download data rates of 3.1 Mbps. ... Read more

$863.00 - $863.00

... Read more

$1365.00 - $1365.00

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

$1080.00 - $1080.00

Cisco offers a wide variety of connectivity, expansion and upgrade modules to accommodate the range of application needs in customer networks. The network modules assure customers that they can choose a connectivity solution that fits their requirements. As modular components, they are easily and in... Read more

$3342.00 - $3342.00

Cisco offers a wide variety of connectivity, expansion and upgrade modules to accommodate the range of application needs in customer networks. The network modules assure customers that they can choose a connectivity solution that fits their requirements. As modular components, they are easily and in... Read more

$1950.00 - $1950.00

The D/480JCT-2T1 board is the next generation of SpringWare based DualSpan products. It is ideal for developers seeking to provide cost-effective, highly scalable, high-density communications applications requiring multimedia resources such as voice, software-based speech recognition, fax, and digit... Read more

$1050.00 - $1050.00

Cisco offers a wide variety of connectivity, expansion and upgrade modules to accommodate the range of application needs in customer networks. The network modules assure customers that they can choose a connectivity solution that fits their requirements. As modular components, they are easily and in... Read more

$1200.00 - $1200.00

Cisco Systems, the worldwide leader in networking, provides the broadest line of solutions for transporting data, voice and video within buildings, across campuses, or around the world. Cisco solutions ensure that networks both public and private operate with maximum performance, security, and flexi... Read more

$5200.00 - $5200.00

The Cisco uBR-MC16S cable interface line card is a card with a DOCSIS-based cable interface that supports one downstream and six upstreams. It incorporates a daughterboard with hardware-based spectrum management features.??PRODUCT FEATURES: ??Improves response time to ingress noise impairments that ... Read more

$1950.00 - $1950.00

The multichannel E1/PRI port adapter integrates data service unit (DSU) functionality and E1 channel support into the Cisco router. The PA-MC-2E1 port adapter provides two independent E1 (120-ohm) connections via RJ-48C connectors.??This port adapter is designed for the following systems: ??Catalyst... Read more

$1517.00 - $1517.00

Cisco offers a wide variety of connectivity, expansion and upgrade modules to accommodate the range of application needs in customer networks. The network modules assure customers that they can choose a connectivity solution that fits their requirements. As modular components, they are easily and in... Read more

$2500.00 - $4460.00

Cisco offers a wide variety of connectivity, expansion and upgrade modules to accommodate the range of application needs in customer networks. The network modules assure customers that they can choose a connectivity solution that fits their requirements. As modular components, they are easily and in... Read more

$1200.00 - $1200.00

Cisco cable modem cards, together with IF-to-RF upconverters, serve as the radio frequency (RF) interface between the cable headend and Data Over Cable Service Interface Specifications (DOCSIS)-compliant cable modems or EuroDOCSIS-compliant cable modems and set-top boxes (STBs). Cisco cable modem ca... Read more

$4200.00 - $4200.00

Cisco offers a wide variety of connectivity, expansion and upgrade modules to accommodate the range of application needs in customer networks. The network modules assure customers that they can choose a connectivity solution that fits their requirements. As modular components, they are easily and in... Read more

$3500.00 - $3500.00

Cisco offers a wide variety of connectivity, expansion and upgrade modules to accommodate the range of application needs in customer networks. The network modules assure customers that they can choose a connectivity solution that fits their requirements. As modular components, they are easily and in... Read more

$3342.00 - $3342.00

Cisco Systems is the worldwide leader in networking for the Internet. Cisco's networking solutions are the foundation of the Internet and most corporate, education, and government networks around the world. Cisco provides the broadest line of solutions for transporting data, voice and video within b... Read more

$4200.00 - $4200.00