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Now you want to end the session with Chicago and return to the Tokyo system
(Figure 137).
1. From the Chicago system, type SIGNOFF ENDCNN(*YES). You return to the Tokyo
system.
Notes:
1. There is no limit to the number of systems to which you can establish a Telnet
session.
2. You can mix Telnet and pass-through (DSPT) sessions. For example, you could
go from Tokyo to Chicago using pass-through (DSPT) and from Chicago to
Geneva using Telnet.
You can only use the TFRPASTHR command at a target system using the
pass-through (DSPT) function. You cannot use it at a server system using
Telnet. For information on using display station pass-through (DSPT), see the
Remote Work Station Support
book.
3. You can only have one pass-through (DSPT) or Telnet session per job. If you
want to have multiple sessions from your home system, see “Using a Group
Job—Scenario” on page 227.
4. The home system intercepts System Request options 13 and 14 if entered on
the System Request input line. This function may be helpful if you establish a
Telnet session with a system to which you cannot sign on. In this case, you can
end the session to that system by doing the following:
a. Press the System Request key.
b. Type 13 (Start system request at home system) on the System Request
input line.
c. Type 2 (End previous request) on the System Request menu.
All pass-through (DSPT) and Telnet sessions are stopped and you are returned
to the home system.
5. If you use Telnet from a home system to another system, and want to establish
a Telnet session with a third or an additional system, there is no requirement
that the home system be at a certain release level. However, to pass through
from an end system to another system, the end system must be running
OS/400 Version 2 Release 3 or later. Similarly, to use System Request options
13, 14, and 15, the end system must be running OS/400 Version 2 Release 3 or
later. And, finally, System Request options 10 and 11 work differently on
systems prior to OS/400 Version 2 Release 3 (as described in the following
topic).
Figure 136. Returning to the End System
Figure 137. Ending a Session between Two Systems
224 OS/400 TCP/IP Configuration and Reference V4R4