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DDS Products, Depicting Adtran DSU, Adtran  CSU CSU/DSU CSU DSU
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Frame Relay Express 5000
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Internet Security Netvanta
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ISDN "NT1 ACE" "Express 3000" "ISU Products -ISU512, Inverse Multiplexers
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T1 Products: CSU, TSU, TDU, ESU
T3 Products: MX2800, T3 Multiplexers, M13 Multiplexers, T3SU 300
XDSL

NetVanta 1335 Single-slot Multiservice Router with a 24-port Ethernet switch, IPSec VPN, and Voice Quality Monitoring (VQM)
NetVanta 1335 PoE Single-slot Multiservice Router with a 24-port Power over Ethernet (PoE) switch, IPSec VPN, and Voice Quality Monitoring (VQM)
NetVanta 3448 Single-slot/Dual Ethernet Multiservice Access Router with an integral eight-port switch
NetVanta 3458 Dual slot/Dual Ethernet Multiservice Access Router with an integral eight-port switch
NetVanta 3458 PoE NetVanta 3458 bundled with an external PoE power supply

Alcatel 2753 90-4093-02 - Brand New and factory Sealed

Welcome to the National Data Mux product page. We are here to service all of your Data Communication equipment needs. We provide excellent service to hundreds of companies, ranging from overseas corporations to banks to school districts, city governments and more. The fast changing nature of today's networks presents significant challenges for communication users & service providers. There is, however, the ever-present need to preserve investment in legacy equipment so as to continue with legacy services. These legacy services must be maintained, while simultaneously attending to the growing demand for improved network infrastructures. Established in 1989, National data Mux has been  a useful entity to many companies in the support of legacy network equipment needs while at the same time adapting to the requirements of today's fast networks. We have always been a reliable supplier of data multiplexers, modems, terminal servers, routers, T1 multiplexers, CSU, CSU/DSU & fiber optic products, with special emphasis on Cisco, Adtran, MRV, Lantronix, Newbridge, Micom, Motorola UDS & others.

We are an experienced and reputable seller of both new & used communications equipment. We are an authorized reseller of MRV, Lantronix, Adtran, Newbridge & Multitech products. In addition, we sell Hayes, 3Com, Cisco, Motorola UDS, Datarace, Gandalf, Paradyne, Telebit, Racal Milgo, US Robotics, Penril, Microcom, Xyplex & Micom. Finally to better serve you, we even offer to sell & repair Micom, Multitech, Penril and Codex Multiplexers & modems for your data communication facilities.