FusionModule800 Smart Small Data Center
Installation Guide (Six Fans)
4 Cable Routing
Issue 10 (2019-12-20)
Copyright © Huawei Technologies Co., Ltd.
224
Figure 4-40
Ports on the front panel of the standalone AI/DI module
(1) DC 15 V power input port
(2) Indicators
(3) DIP switch
(4) Cascading ports
(5) AI/DI_1 to AI/DI_8
(6) Ground point
describes the ports on the front panel of the standalone AI/DI module.
Table 4-3
Description of ports on the front panel of the AI/DI module
Silk Screen
Port Description
COM_IN
COM_OUT
Cascading ports. COM_IN connects to the RS485 port on the ECC800,
and COM_OUT connects to another standalone AI/DI module.
Pin definitions of the ports are the same as those of the COM4 port on
the communications card.
AI/DI_1 to
AI/DI_8
Provides 12 V DC outputs for sensors and are compatible with 4–20 mA
current signals, signals from current-based smoke sensors and water
sensors, dry contact signals, and NTC signals.
Pin definition:
3: 12 V DC, 54 mA
6: D-
7: D+
8: GND
Procedure
Step 1
Use a network cable to connect the COM_IN port on the independent deployment AI/DI
module to the COM3/12 V port on the ECC800.
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4.6.6 Connecting the Smoke Detector Monitoring Cable
Prerequisites
The smoke detector has been installed.