Annex C. Rs232 Interface - Promag Mifare DESFire DF7 Series User Manual

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DF7XX
PROMAG
REV.E

ANNEX C. RS232 Interface

Connect the RS232 wires, example as below:
HOST/Terminal
7.5~24VDC
(Red)
Reader
TXD (Yellow)
GND (Black)
GND
GND
Optional: External LED/Buzzer Control (Brown)
42

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