Chapter 7 Pass Thru Over X.25

Table of Contents

Supported Terminals
Configuration for SNA IMF/V
Configuration for SNA IMF/XL

Terminals and printers connected by an X.25 network to an HP 3000 can use Pass Thru as if they were directly connected to the HP 3000. You can invoke Pass Thru from a remote PAD terminal, or you can log onto a directly connected terminal and start Pass Thru on someone else's remote device.




	NOTE: When you configure PAD devices, the nodename of each PAD device is explicitly mapped to an LDEV on the HP 3000. This LDEV-to-nodename mapping allows you to start Pass Thru on someone else's remote terminal by issuing an outgoing call from the HP 3000 and specifying the LDEV of the terminal you wish to acquire. However, when you start Pass Thru from a remote terminal by issuing an incoming call to the HP 3000, the LDEV-to-nodename mapping is ignored, and your call is given to the next available LDEV in a pool of LDEVs reserved for incoming calls. An error occurs if you issue an outgoing call to a PAD device that has already issued an incoming call and is engaged in a session. The LDEV that is explicitly configured for that PAD device is available, but the device itself is connected to an LDEV from the pool. You must wait until the remote device terminates the current session before you can start another session.

Running Pass Thru over an X.25 network differs between MPE V and MPE XL systems. The sections "Configuration for SNA IMF/V" and "Configuration for SNA IMF/XL," later in this chapter, describe the different hardware and software requirements and configuration.




	NOTE: Running Pass Thru over X.25 is supported only for SNA IMF. It is not supported for IMF/3000 (BSC or SDLC).

Chapter 7 Pass Thru Over X.25

Technical documentation

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