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HY-1931
Multi-line Fire Telephone Jack
> 5.0mm Screw-Type Terminal Block
> Visual indicator flashes in monitoring status
> Low-Power Design, the device drawss
- Specifications
- Accessories
- Download
Technical Specification
Static Current
< 0.02mA
Working Current
< 30mA
Wiring
Non-polarity
Call Audio Range
300-3400MHz
Operating Temperature
–10°C to +55°C (+14°F to +131°F)
Operating Humidity
≤ 95% RH (no condensation)
- Datasheet
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DH Partner APP
Upgrade with brand new UI and a plenty of new functions. Download the App now to experience your handy business platform at your fingertips !
Project Partner Portal
The portal supports our project partner with larger, strategic opportunities throughout the project and the sales lifecycle. Here, you can register, track, manage, and revise your projects.
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DH Partner APP
Upgrade with brand new UI and a plenty of new functions. Download the App now to experience your handy business platform at your fingertips !
Our Dahua Training Site will undergo a comprehensive system upgrade to enhance performance and service quality. To ensure uninterrupted access, we sincerely ask you to complete all online courses and certifications by September 15, 2025. After this date, unfinished progress may be affected. We appreciate your prompt attention to this matter and apologize for any inconvenience. We are truly grateful for your continued support, valuable feedback, and active participation in our learning community. We look forward to seeing you in the next brand new version!