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PSI BOX Reference
MODE 6 RS232 input to IEEE 488 output.
_______ _
_______ _
MODE 8 RS232 input to IEEE 488 output with talk back.
Allows HP IEEE plotters to fully emulate Rs232
version.
In mode 7, only available on the PSI BOX PLUS+, the PSI
BOX is the IEEE 488 controller. The RS232 port of the host
computer is used to control the IEEE bus. An enhanced
control language is used to address many IEEE devices and
to provide complete instrumentation control.
_______ _
MODE 7 RS232 bi-directional to IEEE 488, full control of
IEEE bus of up to 14 instruments or devices.
The Buffer Switch.
________________ _
The 32K ram buffer can be either in operation or
bypassed. DIP switch 8 on switch block 2 selects whether the
internal ram buffer will be in use.
on
off
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When the buffer is enabled the ram is divided up between
the various ports in use.
Page 4
__________________________
Figure 1-1. The Buffer Switch.
8
Setting Up The PSI BOX
Buffer On
Chapter 1
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