Item
Description
Indicator
Green
indicator
Linked, steady on
Yellow
indicator
ACT data communication, blinking
Table 3-8 COM1/AIDI_4, COM2/AIDI_5 port pin definitions
Item
Description
Pin
sequence
Pin 1
RS485+
Pin 2
RS485-
Pin 3
12V DC_OUT
Pin 4
RS485+
Pin 5
RS485-
Pin 6
DI-
Pin 7
DI+
Pin 8
GND
Indicator
Green
indicator
Power output indicator
● Steady on: The 12 V DC output is normal.
● Off: No 12 V DC output is provided.
Table 3-9 COM3/12V port pin definitions
Item
Description
Pin
sequence
Pin 1
RS485+
Pin 2
RS485-
Pin 3
12V DC_OUT
Pin 4
RS485+
Pin 5
RS485-
Pin 6
-
Pin 7
-
Pin 8
GND
ECC800 Data Center Controller
User Manual
3 Device Description
Issue 04 (2021-10-09)
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