Product Description
DS-6908UDI(C) — 128-channel 4K video wall decoder
A single DS-6908UDI(C) unit decodes up to 128 channels to a video wall, handling both network video sources and direct HDMI input. It is built for control-room and video-wall integration work, not standalone display.
Key specs
- Decoding capacity: 128 channels at 720p, or 64 channels at 2 MP simultaneously; supports streams up to 32 MP resolution.
- Video input: 4K HDMI (1.4) at 30 Hz, or 2× 1080p@50/60 Hz HDMI; network sources via cameras, NVRs and DVRs.
- Video output: HDMI 1.4, 4K UHD (3840×2160@30 Hz), with frame-synchronisation across all HDMI outputs to keep splicing lag-free and tear-free.
- LED loading: up to 2.6 MP per output port.
- Codecs: H.264 and H.265 (including Smart264/Smart265), MJPEG, HIK264; PS/TS/ES/RTP encapsulation.
- Audio decode: G.722, G.711A/U, G.726, MPEG2-L2, AAC, MP3, PCM.
- Wall management: up to 64 customised scenes, up to 100 auto-switching view groups via HCP client, window roaming, live view and playback, PTZ control (8-direction, preset calling, focus/iris).
- Device compatibility: ONVIF-compatible sources, IPv4/IPv6, NTP sync, user permission tiers, fault alarms.
Each video wall screen takes four 1080p windows or two 4K windows, so plan screen count against required window density before spec'ing a wall. Suitable for integrators building multi-screen monitoring walls needing mixed HDMI and network-camera inputs on one decoder.
Specifications
- Alarm in
- 8-ch alarm in
- Alarm Out
- 8-ch alarm out
- Serial Interface
- RS-232 (RJ45) × 1, RS-485 × 1
- USB Interface
- USB 2.0 × 2
- Network Interface
- Optic Interface × 2 100 base-FX/1000 base-X
- Video Wall Size
- ≤8
- Layers per Screen
- 1080p × 3 or 4K × 1.5
- Split Window
- yes
- Layers
- Layers Per Screen × Output Interface(s)
- Split Screen
- 1, 2, 4, 6, 8, 9, 12, 16, 25
- Scene Auto-Switch Delay
- 3s
- Auto-Switching Plans
- Support 256 auto-switching plans
- Operating Temperature
- -10 °C to 55 °C (14 °F to 131 °F)
- Operating Humidity
- 10% RH to 90% RH
- Net Weight
- < 5.18 kg (11.42 lb)
- Gross Weight
- 5.18 kg (11.42 lb)
- Max Power Consumption
- < 70 W
- Packing List
- Regulatory Compliance and Safety Information × 1
- Dimensions (W × H × D)
- 440 mm × 320.8 mm × 44.5 mm (17.32'' × 12.63'' × 1.75'')
- Power Supply
- 100 to 240 VAC
- Audio Input Interface Type
- embedded HDMI audio input
- Video Input Resolution
- 3840 × 2160@30 Hz, 1920 × 1080@50 Hz, 1920 × 1080@60 Hz, 1280 × 720@50/60 Hz
- Video Input Interface Type
- 2-ch: HDMI 1.4
- Max. Input Resolution
- 4K
- Audio Encoding Format
- G722.1, G711U, G711A, AAC-LC
Technical Specifications
Frequently Asked Questions
How many channels can the DS-6908UDI(C) decode at once?
Up to 128 channels at 720p, or 64 channels simultaneously at 2 MP resolution, with a maximum stream resolution of 32 MP.
What video inputs does it accept?
4K HDMI 1.4 input at 30 Hz, or two channels of 1080p HDMI at 50/60 Hz, plus network sources from cameras, NVRs and DVRs.
Does it support H.265 and ONVIF devices?
Yes, it decodes H.264 and H.265 (including Smart264/Smart265) and supports ONVIF-compatible network sources.
How many screens can one decoder drive with full window layouts?
Each screen supports four 1080p signal source windows or two 4K windows, with up to 64 saved custom scenes across the wall.
