Functions Not Supported In Emulation Mode; Additional Functions In Emulation Mode - IBM 3151 User Manual

Introduction
Functions Not Supported in Emulation Mode
The following functions are not supported in emulation mode:
• Changeable power supply voltage
• Keyclick
• 20 mA current loop communication interface
• Speed indicator (pin 12) and speed select (pin 23) on the main port connector
(EIA RS-232C interface)
• Video signal output port
• Data/Talk key
An integrated modem cannot be attached.
• Selection of the receive line speed
The receive line speed depends on the transmit line speed, that is, the latter is
selectable but the former is not selectable, and a selected transmit line speed is
applied to the receive line speed.
Additional Functions in Emulation Mode
The 3151 provides the following additional functions:
• EIA RS-422A interface for the main port
• 25 lines of 80 characters and 25 lines of 132 characters screen support
You can select a screen format by the setup menu or by a CSI (Control
Sequence Introducer) sequence. To
use
this function,
see
"Step 12A.
Defining Setup Values (emulation)" on page 2-26, or "Select Screen Format"
on page 5-1.·
1-8
User's Guide for the Cartridge to Emulate IBM and DEC Terminals