Aplex-technology APC-3918P Manuel d'utilisateur télécharger pdf (Page 30)

APC-3918P User Manual

LED2:

POWER LED status.

S1:

PWR BT: POWER on/off Button, They are used to connect power switch button. The

two pins are disconnected under normal condition. You may short them temporarily to

realize system startup & shutdown or awaken the system from sleep state.

PWR LED: POWER LED status.

COM3:

(Type DB9),I/O serial port, it provides selectable RS422/RS485 serial signal output.

RS422 Type (option)

RS485 Type (option)

Signal Name

Pin#

Signal Name

422_RX+

422_RX-

422_TX-

485-

422_TX+

485+

Ground

1 2 ... 25 26 27 28 29 30 31 32 33 34 35 ... 86 87

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Aplex-technology APC-3918P Manuel d'utilisateur Page 30