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docs(wiki): DS-2CD1047G3H-LIU main-stream ISAPI snapshot is a firmware bug — camera line to be replaced 
Full live investigation of the persistent 503 "deviceBusy" on main-stream ISAPI
snapshots (10.0.10.13): ruled out config (byte-identical to a working sibling
model), ruled out firmware age (reproduced on both the original V5.8.11 and
current V5.11.0 builds, ~15 months apart), and ruled out real resource
contention (a full channel-ID sweep shows every ID fails identically except
the one hardcoded working value, including nonexistent channels) — pointing
at a broken/incomplete ISAPI snapshot handler that mislabels itself as
"busy," not a real encoder ceiling.

RTSP main-stream frame-grab was confirmed as a working route around it, but
given the bug and the sub-stream's real-world plate-read accuracy problems,
the owner decided to replace the DS-2CD1047G3H-LIU units rather than carry
an ffmpeg/RTSP dependency to work around vendor firmware. Ingested the
vendor datasheet as a source page along the way.

Claude-Session: https://claude.ai/code/session_01FWncR69HgGPuei1dLrW3cU
2026-08-23 14:50:22 +02:00

10 KiB
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HIKVISION DS-2CD1047G3H-LIU-F 4 MP ColorVu 3.0 Fixed Bullet Network Camera

HIKVISION-DS-2CD1047G3H-LIU-F-4-MP-ColorVu-3.0-Fixed-Bullet-Network-Camera-PRODUCT

FEATURE

  • HikAI-ISP for excellent noise reduction effect
  • Super clear 24/7 colorful imaging with ColorVu 3.0 technology
  • Motion Detection 3.0, more accurate on person and vehicle classification
  • Strobe Light & Audio Alarm to deter intruders (optional)
  • Two-Way Audio via camera and Hik-Connect
  • Smart Hybrid Light: integrates IR and white lights, 3 supplemental lighting modes
  • On-board storage with SD card up to 512 GB (optional)
  • Water and dust resistant (IP67)HIKVISION-DS-2CD1047G3H-LIU-F-4-MP-ColorVu-3.0-Fixed-Bullet-Network-Camera-FIG-1

Specification

n Specification
Camera
Max. Resolution2560 × 1440
Min. IlluminationColor: 0.0001 Lux @ (F1.0, AGC ON)
Shutter Time1 s to 1/100,000 s
Day & NightIR cut filter
Angle AdjustmentPan: 0° to 360°,tilt: 0° to 90°,rotate: 0° to 360°
Lens
Lens TypeFixed focal lens, 2.8 and 4 mm optional
Focal Length & FOV2.8 mm, horizontal FOV 104°, vertical FOV 54.4°, diagonal FOV 126.7°

4 mm, horizontal FOV 89.3°, vertical FOV 48.2°, diagonal FOV 106.5°

Lens MountM16
Iris TypeFixed
ApertureF1.0
Depth of Field2.8 mm: 2.5 m to ∞

4 mm: 2.8 m to ∞

DORI
DORI2.8 mm, D: 61 m, O: 24 m, R: 12 m, I: 6 m

4 mm, D: 68 m, O: 27 m, R: 13 m, I: 6 m

Illuminator
Supplement Light TypeIR,White Light
Supplement Light RangeIR: up to 30 m

White Light: up to 20 m

Smart Supplement LightYes
IR Wavelength850 nm
Video
 

 

Main Stream

50 Hz:

25 fps (2560 × 1440, 1920 × 1080, 1280 × 720)

60 Hz:

24 fps (2560 × 1440, 1920 × 1080, 1280 × 720)

Sub-Stream50 Hz: 25 fps (768 × 432, 640 × 360)

60 Hz: 24 fps (768 × 432, 640 × 360)

Video CompressionMain stream: H.265+/H.265/H.264+/H.264,

Sub-stream: H.265/H.264/MJPEG

Video Bit Rate32 Kbps to 16 Mbps
H.264 TypeBaseline Profile,Main Profile,High Profile
H.265 TypeMain Profile
Bit Rate ControlCBR,VBR
Scalable Video Coding (SVC)H.264 and H.265 encoding
Region of Interest (ROI)1 fixed region for main stream
Audio
Audio TypeMono sound
Audio CompressionG.711/G.722.1/G.726/MP2L2/PCM/MP3/AAC-LC
Audio Bit Rate64 Kbps (G.711)/16 Kbps (G.722.1)/16 Kbps (G.726)/32 to 160 Kbps (MP2L2)/16 to 64

Kbps (AAC-LC)

Audio Sampling Rate8 kHz/16 kHz
Environment Noise FilteringYes
Network
ProtocolsTCP/IP, ICMP, DHCP, DNS, HTTP, RTP, RTSP, RTCP, NTP, IPv4, IPv6, IGMP, UDP, QoS,

FTP, SMTP

Simultaneous Live ViewUp to 6 channels
APIONVIF (Profile S, Profile G),ISAPI,SDK
User/HostUp to 32 users

3 user levels: administrator, operator, and user

 

Security

Password protection, complicated password, watermark, basic and digest

authentication for HTTP, WSSE and digest authentication for Open Network Video

Interface, security audit log, host authentication (MAC address)

ClientiVMS-4200,Hik-Connect
Web BrowserPlug-in required live view: Chrome 80+, Firefox 80+, Edge 89+, Safari 13+,

Plug-in free live view: Chrome 80+, Firefox 80+, Edge 89+

Image
Image SettingsRotate  mode,saturation,brightness,contrast,sharpness,gain,white balance,adjustable

by client software or web browser

Day/Night SwitchDay,Night,Auto,Schedule
Wide Dynamic Range (WDR)120 dB
SNR≥ 52 dB
Image EnhancementBLC,HLC,3D DNR
Privacy Mask4 programmable polygon privacy masks
Interface
Ethernet Interface1 RJ45 10 M/100 M self-adaptive Ethernet port
 

 

 

 

 

 

 

 

On-Board Storage

DS-2CD1047G3H-LIU(F)(/SL)(/SRB):-SL/SRB/LIUF:  Yes

-LIU: NA

Built-in MicrophoneYes,1 built-in microphone
Built-in Speaker DS-2CD1047G3H-LIU(F)(/SL)(/SRB):-SL/SRB:  Yes -LIU/LIUF: NA
Audio DS-2CD1047G3H-LIU(F)(/SL)(/SRB):-LIU:  NA
Alarm DS-2CD1047G3H-LIU(F)(/SL)(/SRB):-LIU:  NA
Reset Key DS-2CD1047G3H-LIU(F)(/SL)(/SRB):-SL/SRB/LIUF:  Yes, -LIU: NA
Event
Basic EventMotion detection (support alarm triggering by specified target types (human and

vehicle)),video tampering alarm,exception

LinkageUpload to FTP,notify surveillance center,send email,trigger recording,trigger capture
General
PowerDS-2CD1047G3H-LIU(F)(/SL)(/SRB):-LIU: 12 VDC ± 25%, 0.58 A, max. 7 W, Ø5.5 mm

coaxial power plug, reverse polarity protection, PoE: IEEE 802.3af, Class 3,max. 9 W LIUF: 12 VDC ± 25%, 0.67 A, max. 8 W, Ø5.5 mm coaxial power plug, reverse polarity protection, PoE: IEEE 802.3af, Class 3,max. 10 W

-SL/SRB: 12 VDC ± 25%, 0.84 A, max. 10.1 W, Ø5.5 mm coaxial power plug, reverse polarity protection, PoE: IEEE 802.3af, Class 3,max. 12.1 W

 

 

 

 

 

 

 

 

 

Dimension

DS-2CD1047G3H-LIU(F)(/SL)(/SRB):-LIU: 69.1 mm × 66.9 mm × 172.9 mm (2.7″ × 2.6″ ×

6.8″)

-LIUF/SL/SRB: 69.1 mm × 67.4 mm × 179 mm (2.7″ × 2.7″ × 7.1″)

 

Package Dimension210 mm × 116 mm × 106 mm (8.3″ × 4.6″ × 4.2″)
Weight DS-2CD1047G3H-LIU(F)(/SL)(/SRB):-LIU: Approx. 310 g (0.7 lb.) -LIUF: Approx. 315 g (0.7 lb.) -SL/SRB: Approx. 325 g (0.7 lb.)
With Package Weight DS-2CD1047G3H-LIU(F)(/SL)(/SRB):-LIU: Approx. 465 g (1.0 lb.) -LIUF: Approx. 470 g (1.0 lb.) -SL/SRB: Approx. 495 g (1.1 lb.)
Storage Conditions -30 °C to 60 °C (-22 °F to 140 °F). Humidity 95% or less (non-condensing)
Startup and Operating Conditions -30 °C to 60 °C (-22 °F to 140 °F). Humidity 95% or less (non-condensing)
Language English, Russian, Ukrainian, Arabic, Spanish, French, Portuguese, Turkish, Polish, German
General Function Heartbeat,mirror,flash log,password reset via email,password protection,anti -banding
Flashing Light DS-2CD1047G3H-LIU(F)(/SL)(/SRB):-SL/SRB:  Yes -LIU/LIUF: NA
Approval
EMCCE-EMC: EN 55032:2015+A1:2020, EN 50130-4:2011+A1:2014, EN IEC

61000-3-2:2019+A1:2021, EN  61000-3-3:2013+A1:2019+A2:2021

SafetyCB: IEC 62368-1: 2014+A11,

CE-LVD: EN 62368-1: 2014/A11: 2017

EnvironmentCE-RoHS: 2011/65/EU,

WEEE: 2012/19/EU

ProtectionIP67: IEC 60529-2013

Available Model

  • DS-2CD1047G3H-LIUF/SRB(2.8mm)
  • DS-2CD1047G3H-LIUF/SRB(4mm)
  • DS-2CD1047G3H-LIU(2.8mm)
  • DS-2CD1047G3H-LIU(4mm)
  • DS-2CD1047G3H-LIUF(2.8mm)
  • DS-2CD1047G3H-LIUF(4mm)
  • DS-2CD1047G3H-LIUF/SL(2.8mm)
  • DS-2CD1047G3H-LIUF/SL(4mm)
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