Optional) Connecting Linkage Cables Between The Equipment Room Fire Extinguishing System And Skylight Actuator - Huawei FusionModule2000 Installation Manual

FusionModule2000 Smart Modular Data Center
Installation Guide (2000 mm High Cabinets, Dual-Row
Aisle Containment, 208 V)
Figure A-51 Connecting fire alarm signal cables to the access actuator
A.11 (Optional) Connecting Linkage Cables Between the
Equipment Room Fire Extinguishing System and Skylight
Actuator
After linkage cables are connected between the equipment room fire extinguishing system and
skylight actuator, the skylight actuator opens data center skylights when the fire extinguishing
system generates an alarm signal.
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
Connect fire alarm signal cables to the BUTTON and GND on the skylight actuator.
BUTTON connects to DI+, and GND connects to DI–.
Issue 01 (2017-07-30)
Fire alarm signals are dry contact signals generated by the fire extinguishing system
selected by the customer.
Fire alarm signals are valid only when the dry contact is closed.
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