Gcom creates protocol conversion products that connect older, mainframe-class computers, such as IBM, Tandem, and Unisys, to one another, or to modern, TCP/IP-based servers and applications.

Regardless of your protocol conversion needs, we can help. Since 1979, Gcom has been providing legacy protocol data communications solutions to technology firms as well as multinational Fortune 500 companies, all of whom rely on our products to provide quality services to their customers.

Our products and services can help you solve a multitude of protocol conversion problems such as:

  • Converting protocols such as X.25, SNA, LU6.2 and Bisync to TCP/IP
  • Upgrading and migrating to an IP host while maintaining legacy protocols on your end-user devices
  • Maintaining a legacy protocol mainframe but adding IP end-user devices
  • Replacing aging legacy protocol hardware and software
  • Connecting a legacy protocol mainframe to an IP host
  • Connecting two different legacy protocol networks
  • And much more

Get more information on solutions to these, and other scenarios, on the Gcom Protocol Appliance 2G page.

Legacy Protocol Expertise
Gcom has been designing and developing data communications solutions since 1979.
Learn more about Gcom.
Quality, Longevity & Viability
Gcom products have been used in mission-critical environments for over 25 years; are used in thousands of locations across the globe; and have been fine-tuned over the decades to fit real-world situations.
Easy Implementation
Gcom’s flagship product is a simple plug/configure/play solution that fits most customer needs, however, we also offer custom solutions which allow for further control of legacy protocol connections.


Click to learn more about Insight, a worldwide distributor of Gcom productsGcom is proud to help UNISYS provide legacy connectivity in ClearPath mainframe modernization projects.Gcom is a member of the Sun Partner Advantage Program.Gcom is a member of HP's Developer & Solution Partner Program. Click to learn more about Gcom's official partner in China. Gcom is a member of the Mainframe Migration Alliance

 

(Looking for Gcom Premium Services? That's not us.)

XOT on the GPA
The Gcom Protocol Appliance supports XOT.  It can turn XOT connections into X.25 over a synchronous link or into TCP connections.  Check out our XOT White Paper.

SNA Migration to TCP
Check out our latest white paper on SNA Migration. If you are replacing your IBM 3745 and migrating your applications to TCP we will show you how Gcom's GPA can help you preserve your investment in branch office SNA equipment.

 Gcom Customer Solutions

Federal Aviation Administration - SDLC, Link Layer

Federal Aviation Administration - SDLC, Link Layer

U.S. National Weather Service - X.25, Raw Async, IP

U.S. National Weather Service - X.25, Raw Async, IP

China Bank - SNA, LLC2, IP, NCR

China Bank - SNA, LLC2,
IP, NCR

HP Atalla Security Products - SNA, LLC2, IP

HP Atalla Security Products - SNA, LLC2, IP

HypoVereinsbank - X.25, SNA, IP

HypoVereinsbank - X.25,
SNA, IP

VISA - SNA, X.25, Bisync, Frame Relay, IP

VISA - SNA, X.25, Bisync, Frame Relay, IP

Motorola - LAPD, Frame Relay

Motorola - LAPD, Frame Relay

Lucent Technologies - LAPB, LAPD, Link Layer

Lucent Technologies - LAPB, LAPD, Link Layer

    
Frustrated getting legacy protocols to talk nicely? The Gcom Protocol Appliance 2G can solve your most difficult protocol conversion needs.