DATA-CONNECT TECHNOLOGIES
Adapters & Interfaces  Gateways & Gatekeepers Print Servers
ATM / IAD / Voice & Data Access Devices Gigabit - GigE Routers, Switches, Wireless Printers 
Baluns Hardened Ethernet   Radio Interoperability
Bridges Hubs Switches Rate Converters 
Broadband Access Industrial Ethernet - WAN / LAN Remote Access Servers - RAS
Broadband Cable Integrated Access Devices /  IAD Remote LAN Connectivity
Cabinets, Racks Interface Converters & Modules Routers
Cable Adapters Internet Security Routers - Enterprise / Video / T1 / E1
Cables - Patch, CAT5, CAT6 IP Ethernet Satellite Communications
Cellular Access - CDMA / GSM IP PBX Serial / Parallel Adapters
Channel Banks IP Telephony - Routers / Gateways Servers
Communication - RAS & Fax Servers ISDN Services - Repair & Installation
Concentrators and Multiplexers ISDN SIP Gateway
Converters  KVM Switches Surge Protectors / Suppressors
CSU / DSU Laptops, Desktops & Workstations  T1 / T3
CWDM / WDM Leased-line Modems TDM over IP / TDMoIP
Digital Access - Cross Connect,  DACX  Line Conditioners Terminal Servers
DS1 DS3 Line Sharing Devices Transceivers / Media Converters
DSL, DSLAM,   Long Range Ethernet UPS Systems
DSL, DSLAM,  Long Range Ethernet Media Converters USB - Hubs, Adapters, Firewire
E1 / T1 Microwave Cellular Radio USB Extenders
E3 / T3 Mobile IP Video Surveillance USB Extenders
Ethernet Extenders Modems - Analog / Digital / Fiber Video
Ethernet Switching Multiplexers  VoIP / ToIP / Telephony / Routers / Gateways 
Fiber Converters Network Adapters & Interfaces, NIC VPN
Fiber Modems - T1 E1 Network Security & Firewall Wireless - Access, Bridges & Backhaul
Fiber Multiplexers Notebooks Wireless - Microwave Cellular Radio
Fiber Optic Multiplexers  Notebooks & Workstations Wireless Access Points - WAP
Firewalls Optical Networking WirelessBridges & Backhaul
Frame Relay, X.25 Patch Panels Workstations

OTHER TECHNOLOGIES

Bell Modem Standards 

The old bell - 103(300bps), 202S/T, 212(1,200bps), 201(2,400bps), 208(4,800bps), 209(9,600)

 Modems Fiber Modems vs. Dial-up Lease Line Modems
v. specificationsX. SpecificationsCCITT Recommendations RJ Jacks Descriptions Fiber Multimode Modems- Duplex or Simplex Cable
Configuring Your Modem For Optimum Performance RS-232 Tech Info NEBS Network Equipment Building System
Frame Relay Tutorial V.35 Tech Info https://www.modemhelp.org/ This site is designed to be a help/support resource for Modem users of all ranges from beginners to advanced users.
Fiber a Tutorial

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