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SNA domain gateway for synchronous or channel transport

The HP SNA Domain Gateway with Physical Unit Type 5 (PU5) support enables IBM SNA networked 3270 terminal users (and PCs emulating 3270s) interactive access to HP OpenVMS applications.

In addition, the HP SNA Domain Gateway supports all the standard IBM interconnect capabilities such as interactive access to mainframe applications from OpenVMS platforms (3270 terminal emulation), remote job entry, bi-directional file transfer, and application programming interfaces (LU6.2, HLLAP, etc.) on both TCP/IP and DECnet networked systems.

The HP SNA Domain Gateway supports both high-speed, high-bandwidth connections directly to the IBM mainframe channel (Domain Gateway-CT) as well as SDLC connections to the FEP (Domain Gateway-ST), depending upon which dedicated gateway hardware device is selected. The Domain Gateway-CT runs on the high-speed, high-throughput DEC ChannelServer II dedicated gateway hardware (DESNB). The Domain Gateway-ST runs on either the 4-line or 1-line DEC MicroServer platform (DEMSA/DEMSB) for synchronous connections to the IBM system.

The HP SNA Domain Gateways supports 3270 connectivity to HP OpenVMS applications in the following ways:

  • Custom OpenVMS application services programming interface
  • Print Symbiont available with HP SNA 3270 Application Services, which provides the ability to print to SNA networked printers when used with the HP SNA Domain Gateway
  • Standard off-the-shelf applications that normally run on any VT terminal via the MEP VT for DEC SNA 3270 Application Services product available from INTEC Connectivity, Inc. (OpenVMS VAX only)

Highlights

  • Support for TCP/IP and DECnet transports
  • PU Type 5 emulation provides interactive access to UNIX applications from IBM SNA 3270 terminals when used with HP SNA 3270 Application Services
  • Both high-speed IBM channel attached (supports 1024 sessions) and SDLC versions (supports 32-128 sessions)
  • PU2 gateways to support TCP/IP and 3270 terminal-to-HP access
  • OpenVMS load-host and management of Gateway

» Software Product Description: SPD 38.69