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This section provides a general description of all
IBM
1050 components, as well as the 1092 and 1093 key-
boards. A more detailed description of the basic com-
ponents of the 1050 (1051-1058) is provided in the
principles of operation section of this manual. For
detailed information on the 1092 and 1093, refer to
the publication, IBM 1092 and 1093 Programmed Key-
boards, Form A24-3266.
1051 Control Unit
The control unit (Figure 2) controls and coordinates
the input and output components. The control unit is
required in all configurations and contains the power
supplies, printer code translator, data channels, and
control circuitry for the system. The cabinet that
houses the control unit is free standing with a height
equivalent to that of a normal typewriter table. Be-
cause the input and output units are self-contained and
cable-connected to the control unit, they can be ar-
Figure 2.
IBM
1051 Control Unit
Component Description
ranged in a position to accommodate their intended
use.
The top surface of the control unit is the basic size
shown in Figures 2 and 3A, or this size can be in-
creased by the addition of a permanently attached
typing table (Figure 3B) to accommodate the 1052
printer-keyboard. To accommodate additional 1050
components, an auxiliary table (Figures 4 and 5) is
available as an accessory item. The control unit is avail-
able in three models (Models 1, 2, and Nl). The model
used is dictated by the application requirements of the
system.
Switches that control the various input and output
units are considered a part of the control unit. For
those configurations using a 1052 printer-keyboard, the
switches are located in the keyboard housing. Other-
wise they are located in a separate switch unit (see
Figures 3A and 7).
These switches assign the input and output units to
the desired line-loop or home-loop operation. They also
Figure 3A.
Printer Configuration (Receive Only)
7
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