

System Available light: If lit, this terminal is connected to the host system and is receiving information from it.On a 5251 type terminal featured five status lights on the front of the unit: Signed numeric reserves the rightmost position of a field for a sign – blank for positive or '-' for negative.Right adjust will right adjust data entered in a field when the operator exits the field.

#Mocha tn5250 cycle mutliple sessions code
Duplicate enable allows the operator to press the DUP key in a field, entering a special code which is interpreted by the application program – typically duplicating data in this field from the previous record or line.Bypass automatically skips over a field in the screen.Auto enter simulates an ENTER key press at the conclusion of the field.A field can be defined as alpha only, numeric only, or alphanumeric.įield attributes also define the type of data the operator can enter into a field, and specify other control information for the field.

The keyboard is an early 122-key variant of the Model M the original 5251-1 had a much smaller beam-spring keyboard. IBM 3486 Terminal, a later terminal with 5250 functionality, capable of supporting two independent sessions concurrently, and with an amber screen.
#Mocha tn5250 cycle mutliple sessions serial
The 5256 is a tabletop serial dot matrix printer with three models providing speeds of 40, 60, or 120cps and a print line of 132 characters. The 5252 was not part of the initial announcement. The 5252 features a single CRT displayed 12 lines each on two different sides back to back in a single case, with separate keyboards. 52 input format control attributes are optimized for data entry applications and offer significant enhancements over previous 3270 terminals. Text attributes consist of blink, high intensity, reverse video, non-display, underscore, and a unique column separator that causes the field to be preceded and followed by a vertical bar. The monochrome text-only display can be either 960 characters, formatted as 12 lines of 80 characters, or 1920 characters as 24 lines of 80 characters. In 19 system consisted of the following components: IBM 5251 display station on front of IBM 5120 system
