Device Type: Standalone Network Video Recorder (NVR) with HDMI Output
Part Number/SKU: DNR-312L
Brand: D-Link (mydlink Series)
Channel Capacity: Up to 9 Network Cameras
Max Camera Resolution: Up to 3 Megapixel (1080p Full HD)
Supported Camera Brands: D-Link network cameras (with Auto Surveillance VLAN support)
Video Output:- HDMI: Yes — 1 × HDMI Port for connecting to HD Monitor or TV
- Display Modes: 1, 4, or 9 Split Screen; Auto Scan (cycles through camera views)
- PTZ Control: Supported
- Auto Pan/Patrol: Supported
Video Compression: H.264, MPEG-4, MJPEG
Recording Modes: Continuous, Schedule, Manual, Motion Detection, Event
Pre-Recording Period: 60 Seconds
Post-Recording Period: 300 Seconds
Auto/Scheduled Recycling: Supported (old footage automatically overwritten)
Storage:- HDD Bays: 1 × SATA 3.5" HDD Interface
- Max HDD Capacity: Up to 6 TB
- Backup Options: USB, NAS, FTP
Data Ports:- Network Interface: 1 × Gigabit Ethernet Port (10/100/1000 Mbps, Auto-MDIX)
- USB Ports: 2 × USB 2.0 (for USB Thumb Drive, External HDD with Power, or Mouse)
- Audio: 1 × 3.5mm Audio In, 1 × 3.5mm Audio Out (2-Way Audio Supported)
System Memory:- RAM: 1024 MB DDR III
- Flash ROM: 128 MB
Remote Viewing & Management:- Client Viewer: Web Browser, mydlink View NVR App (iOS/Android)
- Max Concurrent Channels per Client: 9
- Playback Viewer: Playback Manager via Browser
- Simultaneous Playback: 9 Channels
- E-Map: 3 Layers Supported (BMP/JPG Image Format)
- Security: IP Address Filtering, User Access Privileges
Video Export & Search:- Video Export Format: AVI
- Image Export Format: BMP, JPG
- Video Search: Time, Event, Camera
Event & Alarm Features:- Tamper-Proof: Digital Watermark
- Event Notifications: Event to E-mail, Event to Alarm, Event by Signal Lost, Event by Disk Full
Power:- Power Adapter: DC 12V / 3A
- Max Power Consumption: 30 W
- Standby Power Consumption: 0.337 W
- Auto Boot-Up (Power Recovered): Supported
Physical Specifications:- Dimensions (W × D × H): 141.6 × 49.8 × 173 mm (5.57" × 1.96" × 6.81")
- Weight: 425 g (0.43 kg)
- Colour: Black
Product Status: End of Life (EOL) — Phased Out on 31 October 2020
Key Specs: D-Link DNR-312L, 9-Channel Standalone NVR with HDMI Output, Up to 3MP/1080p Resolution, H.264/MPEG-4/MJPEG Compression, 1 × SATA 3.5" HDD Bay (Up to 6TB), 1 × Gigabit Ethernet, 2 × USB 2.0, HDMI Output (1/4/9 Split Screen), 2-Way Audio, Pre/Post Recording (60s/300s), Motion & Event Recording, Simultaneous 9-Channel Playback, 16X Digital Zoom, 3-Layer E-Map, Tamper-Proof Watermark, mydlink Remote Viewing, 1024MB DDR3 RAM, 128MB Flash, DC 12V/3A Power (30W Max), 425g, Black, EOL Product
Usage: Small Business & Home Surveillance, Retail Stores, Offices, Franchise Monitoring, DIY Security Systems, Multi-Location Camera Viewing, Remote Surveillance via mydlink App, Standalone Recording Without a Dedicated PC
