IDS2000 Dual-Row Aisle Containment
Installation Guide (Split-type Skylight, Old-Version
Sliding Door)
10 Cable Layout
Issue 02 (2015-06-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
204
Silk Screen
Port Description
3: 12 V DC, 54 mA
4: Type_3
5: Type_4
6: D-
7: D+
8: GND
Type_1 to Type_4 indicate types of data sent through the AI/DI ports, corresponding to different
types of sensors.
Sensors including 4 mA to 20 mA sensors, door status sensors, water sensors, and smoke sensors
provide data for the ports.
Each AI/DI port provides a maximum of 14.6 V, 54 mA output power, and the power supply to each
port can be independently controlled.
Table 10-46
Description of ports on the front panel of an AI/DI module
Silk Screen
Port Description
COM_IN
COM_OUT
Cascading ports, connecting to the RS485
communication card and AI/DI module
respectively.
Pin definitions of the ports are the same as
those of the COM4 port on the
communication card.
AI/DI_1 to AI/DI_8
Provide 12 V DC outputs for sensors and
are compatible with 4 mA to 20 mA current
signals, signals from current-based smoke
sensors and water sensors, dry contact
signals, and NTC signals.
1: Type_1
2: Type_2
3: 12 V DC, 54 mA
4: Type_3
5: Type_4
6: D-
7: D+
8: GND
10.12.4 Connecting a Monitoring Cable to a CCU Collector
Procedure
Step 1
Connect cables to the CCU collector, as illustrated in