Black Box manual Protocol Converter Model A/S-4

PROTOCOL CONVERTER MODEL A/S-4

The functions of the A/S-4 Keys are as follows:

Restart Protocol	Jump to A/S-4’s main menu for
Converter	option changes.
Disconnect VDU	Causes A/S-4 to drop DTR to device connected to terminal port.
	Used to disconnect a modem attached to the terminal port in a
	dial-up configuration
Disconnect SDLC	Causes A/S-4 to drop DTR to device connected to modem port.
	Used to disconnect a modem attached to the modem port in a dial-
	up configuration.
* Dual or Mono Case	Used to shift between Dual (Upper & Lower Case) and Mono
	(Upper Case only).
* Cent Key	Allows cent ( ) key to be sent to IBM host since most VDU’s do not
	have a cent key.
* Redisplay Screen	Used to redisplay current screen. Used when VDU is attached to
	terminal port through dial-up modem and garbage has been
	displayed on screen.
* Local Print	Print VDU screen on printer
* Stop/Start Print	Allows stopping of printer to align forms and then starting again.
* Line Insert	Causes a blank line to be inserted at cursor location.
* Line Delete	Causes a line of data to be deleted at cursor location.
* Character Insert	Causes a Null Character to be inserted at cursor location.
*Character Delete	Causes a data character to be deleted at cursor location.

*Keys used only during interactive application, not used in batch.

40