Radio Shack TRS-80 Model 3 - Rs-232-C

TRS-80 MODEL III
On/Off Switch
Disk Expansion Jack.
Shown with cable
connected. Cable is supplied with external
drives (optional/extra).
Parallel PrinterJack. Shown with cable con-
nected. Cable and printer are optional/extra.
RS-232-C Jack. Shown with cable
connected. Cable and RS-232-C Interface
are optional/extra.
e I/O Bus Jack. For future expansion.
Cassette Jack. Shown with cable con-
nected. Cable and cassette recorder are
optional/extra. Black mini-plug connects
to
recorder EAR; gray mini-plug to recorder
AUX; gray sUbmini-plug to MIC REMote con-
trol.
G AC Power Cord.
e Video Contrast Adjustment.
o Video Brightness Adjustment.
Figure 1. Connection of peripherals and location ofcontrols.
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