
Do you have a question about the Dahua DH-SD49225I-HC-S3 and is the answer not in the manual?
| Camera Type | PTZ | 
|---|---|
| Image Sensor | 1/2.8" CMOS | 
| Scanning System | Progressive | 
| Optical Zoom | 25x | 
| Digital Zoom | 16x | 
| Power Loss Memory | Yes | 
| Streaming Method | Unicast / Multicast | 
| Ingress Protection | IP66 | 
| IR On/Off Control | Auto/Manual | 
| Electronic Shutter Speed | 1/1s~1/30, 000s | 
| S/N Ratio | ≥55dB | 
| Lens Focal Length | 4.8mm~120mm | 
| Close Focus Distance | 100mm~1500mm | 
| Pan/Tilt Range | Tilt: -15°~90° | 
| Manual Control Speed | Tilt: 0.1°~120°/s | 
| Preset Speed | Tilt: 120°/s | 
| PTZ Mode | 5 Pattern, 8 Tour | 
| Protocol | DH-SD | 
| Ethernet | RJ-45 (10/100Base-T) | 
| Network Protocol | IPv4; HTTP; HTTPS; 802.1x; Qos; FTP; SMTP; UPnP; SNMP; DNS; DDNS; NTP; RTSP; RTP; TCP; UDP | 
| Interoperability | ONVIF Profile S&G | 
| Max. User Access | 20 | 
| Edge Storage | Micro SD, Max 256GB | 
| Browser | Chrome, Firefox, IE, Safari | 
| Management Software | SmartPSS, DSS | 
| Certifications | CE, FCC | 
| Operating Temperature | -30°C~60°C (-22°F~140°F) | 
| Operating Conditions | -30° C to +60° C | 
| Video Compression | H.265; H.264; H.264B; H.264H; MJPEG | 
| Max. Resolution | 1920×1080 | 
| Network Interface | 1 RJ45 10M/100M self-adaptive | 
| Focal Length | 4.8mm~120mm | 
| Day/Night | Auto/Color/BW | 
Requirements for installation and maintenance personnel.
Guidelines for using lifting appliances safely during installation.
Precautions for transporting and storing the speed dome.
Actions to take if the device malfunctions or shows abnormal signs.
Warnings against unauthorized dismantling or modification of the device.
Precautions to prevent foreign objects or liquids from entering the speed dome.
General advice on handling the product to prevent damage.
Specifies suitable environmental conditions for installing the speed dome.
Instructions for cleaning and maintaining the exterior of the speed dome.
Conformance to safety codes and proper usage environment.
Verifying space, load capacity, wall thickness, and installation height.
Selecting appropriate video and coaxial cables based on transmission distance.
Specifies minimum requirements for video coaxial cables.
Guidelines for choosing power supply cables based on distance.
Verifying components and opening the speed dome device.
Detailed guide to setting address, baud rate, and parity using DIP switches for analog and HDCVI models.
Instructions for connecting the 120Ω terminal matching resistance.
Locating the reset button and SD card slot for system reset and data storage.
Covers quick mount connector installation, cable description, connection, and ground cable connection.
Details the wall-mounted bracket and its dimensions.
Step-by-step guide for installing the wall-mounted bracket in suitable environments.
Provides guidelines for lightning protection measures in outdoor environments.
Covers main features and theoretical transmission distances of the RS485 bus.
Discusses common issues encountered with RS485 connections in practical usage.
Provides solutions for common phenomena and problems related to RS485 bus control.











