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42. ECB-142
(option)
:
EPI-I981 I/O Card, via a dedicated cabl e connected to EPI-I981 MIO1 and MIO2.
ECB-142 Top
:
ECB-142 Bottom
:
LED2:
CF Card 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#
Pin#
Signal Name
1 1
NC
422_RX- 2 2
NC
422_TX- 3 3
485-
4 4
485+
Содержание EPI-I981
Страница 8: ... 8 5 2 Board Dimensions units mm ...
Страница 9: ... 9 5 3 Jumpers and Connectors Location Board Top ...
Страница 10: ... 10 Board Bottom ...