NMX-ENC-N2151 Encoder (discontinued)

JPEG 2000 4K UHD Video over IP Encoder with KVM

Larger Images

The NMX-ENC-N2151 4K Encoder and NMX-DEC-N2251 4K Decoder provide users with the industry's most versatile solution for distributing AV over a converged network at resolutions up to 4096×2160. JPEG2000 compression allows Ultra HD media to be switched and distributed over standard Gigabit Ethernet networks. Ultra HD signals from the NMX-ENC-N2151 encoder are provided simultaneously as: 1) a JPEG2000-compressed 200-600 Mbps stream through the RJ45 connector or small-form-pluggable (SFP+) port (10Gb), and 2) an uncompressed stream through the SFP+ connector (via a fiber module). Any source can be sent to any number of displays by routing through layer-3 switches. System scalability is limited only by uplink and stacking connector bandwidths.

Standard features like output scaling (decoder), bi-directional serial, IR output, embedded 7.1 audio, and KVM-over-IP extension are included. The NMX-ENCN2151-C and NMX-DEC-N2251-C form-factors are compatible with the NMX-ACCN9206 card cage for high-density applications.

Common Applications

The NMX-ENC-N2151 and NMX-DEC-N2251 together create the perfect solution for video matrix applications where resolutions up to 4K are required. Common applications include classrooms, conference rooms, performing arts centers, and sports bars.


  Version Language Size Uploaded
file type icon Data Sheet
updated: Nov 2023
    741 KB Nov 2023
file type icon Instruction Manual - NMX-ENC-N2151 / NMX-DEC-N2251 JPEG 2000 4K UHD Video over IP Encoder with KVM
updated: Jun 2020
    7.72 MB Jun 2020
file type icon NetLinx Control for N-Series Products Documentation Addendum
updated: Oct 2020
    1.05 MB Oct 2020
Bim Objects
file type icon NMX-ENC-N2151 - BIM Object
updated: Aug 2019
    Aug 2019
platform icon SVSI N2x51 Encoder and Decoder Firmware Updater
version 1.5.3f, updated: Nov 2021
1.5.3f     64.4 MB Nov 2021
Quick Start Guides
file type icon Quick Start Guide - NMX-ENC-N2151 / NMX-DEC-N2251 JPEG 2000 4K UHD Video over IP Encoder with KVM
updated: Mar 2018
    334 KB Mar 2018
Programming Guides
file type icon API Command List - SVSI N1000/N2000 Series
version F, updated: Jun 2020
  277 KB Jun 2020
Install Guides
file type icon SVSI Networked AV - Pre-Implementation Guide
updated: Aug 2023
    1.15 MB Aug 2023
Product Guides
file type icon Product Guide - N-Series Video Wall/Crop Limitation
updated: Oct 2020
    72.8 KB Oct 2020
file type icon Product Guide - N-Series Minimum Network Requirement
version B, updated: Oct 2023
  166 KB Oct 2023

If any of the links above result in strange characters in your browser, please right-click the file to save it to your computer.


  • Output Scaling — Video scaling at the output (decoder) allows seamless switching from any source, at any resolution, to any display or projector, while preserving video fidelity
  • Infrared (IR) — Infrared emitter connection allows control of low-cost, IR-only display devices
  • Onboard Control — All N-Series encoders and decoders have on-board, built-in control capability via events that can trigger any number of TCP/UDP commands to other IP controllable devices
  • Pass-through HDMI interface (encoder) — allows easy installation with local display such as desktop PC applications
  • Unlimited Scalability — Grow the video matrix by adding encoders or decoders as needed (within the bandwidth limits of the uplink and stacking connectors)
  • Stand Alone or Card — Available as a stand alone device, or card for use with NMX-ACC-N9206.


Digital Video Input HDMI, DVI-D, Dual-Mode DisplayPort (DP++); Both supported through passive adapter.
Analog Video Input HD-15 VGA, Component, supported through a passive adapter
Video Outputs Network video over Ethernet via RJ45 port or via 10G SFP+ port, HDMI, DVI-D (supported through passive adapter)
Video Formats HDMI, DVI-D (through adapter), Dual-Mode DisplayPort (DP++) (through adapter), HDCP content protection support, RGBHV, YPbPr.
Progressive Input Resolutions HDMI and DVI (Progressive), Minimum resolution of 1024x768, Maximum horizontal resolution of 4096 or a vertical resolution of 2160. See Data Sheet for details.
Interlaced Input Resolutions HDMI and DVI (Interlaced); 1920x1080@50Hz - 1080i50 (JPEG2000 only); 1920x1080@60Hz - 1080i60 (JPEG2000 only)
Analog Input Resolutions VGA, Minimum resolution of 1024x768, Maximum horizontal resolution of 1920 or a vertical resolution of 1200; Component, HD up to 1080p60 . See Data Sheet for details.
Audio Input Signal Types Embedded audio on HDMI (DVI-D through adapter) or Analog Stereo (Balanced or Unbalanced)
Audio Output Signal Types Ethernet, Embedded audio on HDMI or DVI-D (through adapter). See Data Sheet for details.
HDMI Audio Formats 8ch PCM
Analog Audio Formats Stereo 2-channel
Audio Analog-to-Digital Conversion 16-bit 32 kHz, 44.1 kHz and 48 kHz
Latency Uncompressed: 25 ms at 60 fps, 50 ms at 30 fps, JPEG2000: 50 ms at 60 fps,100 ms at 30 fps. See Data Sheet for details.
Communications Ethernet: 10/100/1000 Mbps, auto-negotiating, auto-sensing, full/half duplex, DHCP, Auto IP, and Static IP; HDMI: HDCP, EDID management. See Data Sheet for details.
FG Numbers FGN2151-SA
HARMAN Professional Solutions:

NMX-ENC-N2151 Encoder (discontinued)

JPEG 2000 4K UHD Video over IP Encoder with KVM