Selecting The Interface Format - IBM 5150 Hardware Reference Manual

Selecting The Interface Format
The Voltage or Current loop interface is selected by plugging the
programmed shunt module, with the locator dot up or down. See the
figure below for the two configurations.
D
o
D
D
o
ASYNCHRONOUS
COMMU N ICATI 0 NS 1....I...I...L..J..I....L...L.J~t..L.L.JL...L...L..L..L.J.J..L.L~II-'-I-
..................
ADAPTER
CURRENT LOOP
VOLTAGE INTERFACE
INTERFACE
DOT UP
DOT DOWN
Figure 23. SELECTING THE INTERFACE FORMAT
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