AT&T 3B2/300 Technical Reference Manual page 32

EQUIPMENT D E S C R I P T I O N - - - - - - - - - - - - - - - - - - - - - - - - - -
Add-On Features
The following equipment and features can be added to a 3B2 computer configuration.
Data Terminal/Communications Equipment
Various terminals, printers, and other peripheral devices can be connected to a 3B2 computer.
Some of these devices are briefly described in the following paragraphs.
AT&T Automatic Dial Modem.
The AT&T Automatic Dial Modem is an intelligent, asynchronous,
autodial/autoanswer modem operating at user selectable speeds of 300/1200 baud. The modem can be
connected to either a data terminal or to the host computer.
TELETYPE® Model 5410/AT&T Model 4410 Terminal. The TELETYPE Model 5410/AT&T Model
4410 terminal is an asynchronous, serial, video display terminal. It features a selectable 80- or
132-column screen. The low-profile keyboard has a standard typewriter layout with eight
programmable function keys.
TELETYPE Model 5420/AT&T Model 4415 Terminal. The Model 5420/4415 terminal has been
replaced by the 5425 / 4425 terminal.
TELETYPE Model 5425/AT&T Model 4425 Terminal.
The Model 5425/4425 terminal has all the
features of the 5410/4410 terminal plus features such as full screen windowing, five different character
sets, a fully buffered auxiliary printer port, and up to 38 downloadable function keys. An optional
feature available with this terminal is an integral 300/1200 baud modem/dialer with five autodial
strings. This terminal has replaced the TELETYPE 5420 /AT & T Model 4415 buffered terminal.
TELETYPE Model 5620 Dot-Mapped Display Terminal.
The Model 5620 terminal is a
Dot-Mapped Display terminal featuring the WE 32000 Microprocessor System. This terminal features
256-kilobyte or I-megabyte Dual Port Random Access Memory (DPRAM) with transparent refresh and
1000 dots-per-square-inch resolution on a 15-inch diagonal, nonglare screen. A dot addressable screen
gives the user the capability to create full graphics, define character fonts, and make line drawings. The
electronic mouse on this terminal can be used to create and control up to six window displays when
used with supporting software on the host computer system.
AT&T 605 Terminals.
The AT&T 605 Business Communications Terminal (BCT) offers the features
of basic terminals. It is PC compatible, has 80- or 132- column operation, and a 102-key keyboard with
36 programmable function keys. There are two RS32-C ports, one for host communications and one for
a printer.
AT&T 615 Terminals.
The AT&T 615 Multitasking Terminal (MT) is an interactive,
character-at-a-time keyboard/display terminal optimized for windowing capabilities. Multitasking
feature allows simultaneous access for up to three applications. There is also a slot for optional
input/output cards. The AT&T 615 MT also supports an autodialer card.
AT&T 620 Terminals.
The AT&T 620 Multitasking Terminal with Graphics (MTG) is a full featured
terminal with a bit-mapped screen. It offers the same features as the AT&T 615 MT plus 256 kilobytes
of RAM (512 kilobytes optional), up to six active layers, a three-button mouse, and built-in emulation.
AT&T
630
Terminals.
The AT&T 630 MTG has the same capability of the TELETYPE Model 5620.
The user interface offers more advanced features like cut and paste between windows, scrolling of lines
in a window, and resident fonts. The 630 MTG has a three-button mouse, 640 kilobytes of RAM,
384 kilobytes of Erasable Programmable Read Only Memory (EPROM), a 68000 microprocessor, and
cartridge Read Only Memory (ROM) expansion capabilities. The 16-inch diagonal monitor has 1024
dots-per-inch resolution on a coated, nonglare screen.
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