Ditel DN109/NB Manuel Technique page 148

TECHNICAL MANUAL
LARGE DISPLAYS DN109/NB - DN119/NB - DN189/NB
CHAPTER 21
RS-232 connection between a PC and DN-1x9 display
Use a standard RS-232 line. Maximum recommended length is 15 m (9.600 bps). Use
shielded cable and connect shield to pin 9. Please avoid near disturbances.
.
RS-485 between DN1x9 display and a PC
Use a standard RS-485 line. Maximum recommended length 1.000 m. Use braided and
shielded cable and connect shield to pin 9. Please avoid near disturbances.
At both ends or RS-485 line a 120 Ω termination must be placed.
INSTALLATION
Fig. 84: DB9 pin out RS-232/RS-485
Fig. 85: Aerial cable
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