Huawei FusionDC1000A - Page 79

Table 6-10 COM3/12V port pin denitions
Item Description
Pin
sequence
Pin1 RS485+
Pin2 RS485-
Pin3 12 V DC_OUT
Pin4 RS485+
Pin5 RS485-
Pin6 -
Pin7 -
Pin8 GND
Indicator Green
indicator
Power output indicator
● Steady on: The 12 V DC output is normal.
● O: No 12 V DC output is provided.
Table 6-11 COM4/CAN port pin
denitions
Item
Description
Pin
sequence
Pin1 RS485+
Pin2 RS485-
Pin3 -
Pin4 RS485+
Pin5 RS485-
Pin6 -
Pin7 CAN_H
Pin8 CAN_L
The following provides the AIDI_1, AIDI_2 and AIDI_3 ports pin denitions.
NO TE
● Pins 1, 2, 4, and 5 identify sensor types.
● Pin 3 and Pin 8 are power output ports.
● Pin 6 and Pin 7 collect sensor data. Pin 7 can detect current type sensors (4–20 mA). Pin
6 and Pin 7 can detect the output status of passive dry contact type sensors. Pin 3 and
Pin 7 can detect temperature sensors.
FusionDC1000A Prefabricated All-in-One Data
Center
Product Description (IT Scenario) 6 Management System
Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd. 72