Description
Dahua Technology N42B2P Overview
Record from and manage up to 8 cameras with the N42B2P Lite Series 8-Channel 8MP NVR (4TB HDD) from Dahua Technology at resolutions up to 3840 x 2160. Equipped with two SATA ports, the NVR can be configured to have an internal storage of up to 8TB (HDDs available separately). H.265, H.264, and MJPEG compressions keep file sizes manageable while maintaining the best quality possible. Two-way audio is possible thanks to an audio input and output.
This NVR supports simultaneous HDMI and VGA outputs, as well as up to 128 users. ONVIF-compliance for version 2.4 enables interoperability when combined with 4K cameras.
Embedded quad-core processor and Linux OS
HDMI and VGA simultaneous video output
10/100/1000M Ethernet port
8 x PoE ports
Supports Automatic Network Replenishment (ANR) technology
Supports network cameras from Dahua, Arecont Vision, Axis Communications, Bosch, Brickcom, Canon, CP Plus, DynaColor, Honeywell, Panasonic, Pelco, Samsung, Sanyo, Sony, Videotec, Vivotek, and others
Smart Add functionality enables the NVR to automatically detect and list IP cameras, simplifying the process of adding cameras to the NVR
IVS (intelligent video system) recording for standard intelligence at-the-edge features, premium features to detect motion, tripwire and intrusion violations, and abandoned or missing objects, and advanced features for facial detection, people counting, and heat mapping
Heat Map advanced IVS feature highlights areas with the highest concentration of people, and the data can be exported into a customized report to aid in business or forensic analysis
Alarm inputs for 4 channels
Trigger events include recording, PTZ, tour, alarm out, video push, email, FTP, snapshot, buzzer, and screen tips
Video detection includes motion detection, video loss, and tampering
OSD for camera title, time, video loss, camera lock, motion detection, and recording
16 kb/s to 20 Mb/s bit rate per channel
Dewarping mode corrects distortion in circular panoramic views from fisheye lenses
1 x USB 3.0 port & 1 x USB 2.0 port
Backup via USB device and network
Up to 128 users
Supports iOS and Android mobile devices
1 RU rack-mountable
Optional PFH101 rackmount tray available separately
Dahua Technology N42B2P4 Specs
System
| Main Processor | Embedded quad-core processor |
| Operating System | Embedded Linux |
Video & Audio
| IP Camera Inputs | 8 channels |
| Audio | 1 x RCA, 1-channel input 1 x RCA, 1-channel output |
Display
| Interface | 1 x HDMI 1 x VGA |
| Resolutions | 3840 x 2160 1920 x 1080 1280 x 1024 1280 x 720 1024 x 768 |
| Decoding | Maximum Decoding: 2 channels of 4K / 6 MP at 30 fps 3 channels of 5 MP at 30 fps 4 channels of 4/3 MP at 30 fps 4 channels of 1080p at 30 fps 8 channels of 1080p at 60 fps |
| Display Split | 1/4/8/9 |
| OSD | Camera title, time, video loss, camera lock, motion detection, recording |
Recording
| Compression | H.265, H.264, MJPEG |
| Supported IP Camera Resolution | 8 MP 6 MP 5 MP 4 MP 3 MP 1080p 1.3 MP 720p D1 CIF |
| Maximum Bandwidth | 200 Mb/s incoming |
| Bit Rate | 16 kb/s to 20 Mb/s per channel |
| Recording Mode | Manual Schedule (regular, continuous) Motion detection (video detection, motion detection, tampering, video loss) Stop |
| Recording Intervals | 1 to 120 minutes, default 60 minutes Pre-Recording: 1 to 30 seconds Post-Recording: 10 to 300 seconds |
Video Detection & Alarm
| Triggers | Recording, PTZ, tour, alarm out, video push, email, FTP, snapshot, buzzer, and screen tips |
| Video Detection | Motion detection MD Zones: 396 (22 x 18) Video loss & tampering |
| Alarm Input | 4 channels Low level effective, green terminal interface |
| Relay Output | 2 channels NO/NC programmable, green terminal interface |
Playback & Backup
| Playback | 1/4/8 |
| Search Modes | Time/date, alarm, motion detection & exact search (accurate to one second), smart search |
| Playback Functions | Play, pause, stop, rewind, fast play, slow play, next file, previous file, next camera, previous camera, full screen, repeat, shuffle, backup selection, digital zoom |
| Backup Modes | USB device, network |
Intelligent Video
| Standard Features | IVS Triggers: Tampering with the camera Camera loses or changes focus drastically Error writing to an onboard microSD card Error sending or receiving data over the network Unauthorized access to the camera |
| Premium Features | IVS Triggers: Motion: An object moves through any part of the scene Tripwire: A target crosses a user-defined line Intrusion: A target enters or exits a defined perimeter Scene Change: A person or object moves the camera to change the scene or covers the camera to obscure the scene Abandoned/Missing Object: A target leaves an object in designated area, or a target removes an object from the same designated area |
| Advanced Features | Recording Triggers: Facial Detection: Detects and captures a snapshot of a human face in a defined area within a scene People Counting: Measure the number of customers, visitors, or passengers in a surveillance scene Heat Map: Generates a visual representation of data |
Support
| Third-Party Support | Dahua, Arecont Vision, Axis, Bosch, Brickcom, Canon, CP Plus, Dynacolor, Honeywell, Panasonic, Pelco, Samsung, Sanyo, Sony, Videotec, Vivotek, and others |
Network
| Ethernet | 1 x RJ45 port, 10/100/1000M |
| PoE | 8 x ports, IEEE 802.3af/at |
| Network Function | HTTP, HTTPS, TCP/IP, IPv4/IPv6, UPnP, RTSP, UDP, SMTP, NTP, DHCP, DNS, IP filter, PPPoE, DDNS, FTP, alarm server, IP search Support for Dahua IP cameras, DVRs, NVS |
| Maximum User Access | 128 users |
| Mobile OS Support | iOS & Android |
| Interoperability | ONVIF 2.4, CGI conformant |
Storage
| Internal HDD | 2 SATA ports, total capacity up to 8 TB ( 4TB Included) |
| HDD Mode | Single |
Auxiliary Interface
| USB | 1 x USB 3.0 1 x USB 2.0 |
General
| Power Supply | 100-240 VAC, 60/50 Hz |
| Power Consumption | NVR: <9.6 W, without HDD |
| Total PoE Budget | 25.5 W single port, 130 W total |
| Certifications | CE: EN55032, EN55024, EN60950-1 Safety: UL 60950-1, CAN/CSA C22.2 No.60950-1 Electromagnetic Compatibility (EMC): FCC CFR 47 Part 15 Subpart B, ANSI C63.4-2014 |
| Operating Temperature | 14 to 131°F / -10 to 55°C |
| Storage Temperature | -4 to 158°F / -20 to 70°C |
| Storage Humidity | 0-90% RH |
| Rack Mount | 1 RU |
| Dimensions | 14.8 x 12.9 x 2.1″ / 375 x 327.5 x 53 mm |
| Weight | Without HDD: 5.7 lb / 2.6 kg |
Packaging Info
| Package Weight | 9.1 lb |
| Box Dimensions (LxWxH) | 17.7 x 16.8 x 7.5″ |
