Who Uses 3770 SNA/RJE Communications Today?

Who Uses 3770 SNA/RJE Communications Today?

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Introduction to IBM 3770 SNA/RJE Communications

Who Uses 3770 SNA/RJE Communications Today?

What Did 3770 SNA/RJE Terminals Look Like?

What is SNA/RJE?

3770 SNA/RJE Communications Frequently Asked Questions

3770 SNA/RJE Communications Glossary

Things to Consider When Purchasing 3770 SNA/RJE Emulation
Two of the largest SNA/RJE applications today are remote job submission to IBM mainframes and distribution of line printer output to printers physically distant from data centers. This is essentially the same function that the original 3776/3777 terminals were designed for in the 1970s.

U.S. Customs

The advent of PCs and 3770 SNA/RJE emulation has opened the doors for the creation of industry specific applications. One of the largest applications utilizing SNA/RJE emulation has arisen out the U.S. Federal Government -- the U.S. Customs Service, to be precise.

The Customs Service has built mainframe-based systems to manage the exporting and importing of goods. Three of these systems are:
  • Automated Export System (AES) -- AES is a paperless way to file Shipper's Export Declarations (SEDs) and ocean manifest information directly with U.S. Customs.
  • Automated Broker Interface (ABI) -- ABI is an electronic service of U.S. Customs that permits qualified participants to file required import data. ABI is available to brokers, importers, carriers, port authorities, law firms, surety companies, and independent agents through which over 96% of all entries are filed.
  • Automated Clearinghouse (ACH) -- ACH is an electronic payment option that allows ABI filers to pay Customs fees, duties, and taxes
Third-party firms, such as International Trade Systems, have come into being to create and market complete freight forwarding and customs house brokerage systems. These systems work in conjunction with AES and ABI.

You guessed it. The connection required to U.S. Customs is via 3770 SNA/RJE emulation. There is a similar system in use by the Canadian Customs Service.

Remote Printing

Another modern use of SNA/RJE is in connecting remote printers to mainframe systems. This used to be another of IBM's exclusive domains but third-party companies, such as Xerox and Solimar Systems, have come into the marketplace to provide a variety of printers, print management systems, and associated services. SNA/RJE is one of the connectivity options in such remote printing systems.

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Send an e-mail to submit your company's 3770 RJE application.

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