36 Rocket Model 204 Terminal User’s Guide
Getting online
Getting online
Procedures
To connect to Model 204 through SNA Communications Server, follow these
steps:
1. Connect to Model 204 by issuing commands to the SNA Communications
Server Control Program. Check with your system administrator for the pro-
cedures specific to your site. These procedures might automatically log
you on to Model 204.
2. After the connection has been established, the system unlocks the termi-
nal keyboard. If you are not already logged on to Model 204, begin the
session by entering the first input line, usually one of the following com-
mands:
LOGIN userid [account]
or:
LOGON userid [account]
These commands are described in detail in the Model 204 Parameter and
Command Reference Manual.
3. After successfully logging in, you can enter an input line, as described in
“Input lines” on page 36.
IBM 3270 terminals (IODEV = 7)
This section summarizes the information needed to use IBM 3270s through
SNA Communications Server.
Note: Model 204 translates all unprintable characters to question marks (?) for
output to 3270 terminals, to avoid I/O errors.
Input lines
SNA Communications Server support is provided for two modes of operation:
line-at-a-time and full-screen support. In full-screen mode, when Model 204 is
prepared to accept input, it issues the prompt character (>) and unlocks the
keyboard. The user can now enter an input line.
A physical input line cannot exceed 78 characters; however, using a line
continuation character at the end of an input line causes Model 204 to treat the
next line as a logical continuation of the previous one.
The user indicates that the line is complete and transmits the line by pressing
the Enter key. No data is transmitted until Enter is pressed. The 3270 editing
keys can be used to correct the line before Enter transmits it.
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