A dual link, dual head digital video and USB (VM) fanless KVM extender that runs over a single cable on your standard IP network. Equipped with RealVNC, computers outside the network can be remotely and securely accessed

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Product Description

Part of the ADDERLink® INFINITY® range, the ADDERLink INFINITY Dual 2112T is a high performance KVM solution that enables you to isolate your critical computing hardware  from users. Configurable as a dual link or dual head, this extender serves pixel perfect video across distances up to 10km with no loss of compression and minimal lag. The ADDERLink INFINITY Dual 2112T is equipped with Real VNC and runs on your standard IP network, enabling up to 16 users to simultaneously, remotely and securely access computers outside of your network. This KVM extender can be kept as a point to point extender or can be integrated into a wider matrix system using the ADDERLink INFINITY Manager (A.I.M.).

  • Integrated remote access: monitor, control and maintain your computers remotely, utilizing VNC technology, provided by one of our technical partners, RealVNC
  • ‘At-the-PC’ experience: dual link or dual head, 24 bits per color at a maximum resolution of 2560×1600 or two at 1920×1200 @ 60Hz with minimal lag
  • Adaptable to suit your needs: delivers uncompressed digital video with audio, and option to compress video to minimize bandwidth usage over copper or fiber
  • IP-based: standard IP protocols, ensuring maximum compatibility with your existing IT infrastructure and staff skillset
  • Flexible solution: from point-to-point extender to an infinitely extensible matrix

Product Features

  • RealVNC server with RFP 3.3 support: up to 16 users can remotely and securely access computers outside your network
  • In-built security measures: compliant with universal enterprise grade security standards (AES 256 bit encryption and RSA 2048 bit public key authentication), with added encryption of RealVNC
  • High performance video over VNC: uncompressed video extension and pixel perfect digital video up to 24 bits per color at a maximum of 2560×1600 or two at 1920×1200 over 60Hz with real time control over VNC
  • Digital Stereo Audio: digitally delivered crystal clear audio across the network
  • Distribution: DVI, USB, audio and bidirectional RS232 across up to 10km
  • Power redundancy: the units can detect whether the network is in operation and will utilize the second network port is failure detected, whilst the RS232 port allows user to remotely re-boot the target computer
  • EDID management: Extended Display Identification Data (EDID) enables the remote system to exactly mirror the date coming from the source monitor
  • Plug and Play: delivered in a zero config state so they work as soon as they are connected, without the need for drivers or software
  • Robust yet lightweight: small form factor, rack mountable device
  • USB True Emulation: USB 2.0 enables connection to any USB human interface device from mice and keyboards through to graphics tablets, jog shuttles, joysticks and 3D explorers


Video Resolutions

The system supports either two single link DVI resolutions to a maximum of 1920×1200 @ 60Hz or dual link to a maximum of 2560×1600 @ 60Hz.


The system delivers analogue stereo audio (Line in, Line Out) digitally across the network.

Approvals / Compliance

  • CE
  • FCC


Supports USB2.0 devices (Low, full and high speed). The system has a security feature which allows the blocking of non HID devices. Isochronous devices are not supported (i.e. USB audio or video devices).

Cable Requirements

CATx (up to 100m/330ft) or fiber (requirements dependent).


0 to 40ºC / 32 to 104ºF

Connectors – Local Unit

N/A – this is a transmitter and is not sold as a pair.

Connectors – Remote Unit

2 x DVI-D x 1, Audio 3.5mm in, Audio 3.5mm out, USB type B, and RS232 9 pin D-Type, SFP slot


1U compact case, robust metal construction. 198mm/7.92” (w), 44mm/1.76” (h), 150mm/6.0” (d), 1.1kg/2.7lbs.


2.5mm DC jack (power adapter included),100-240VAC 50/60Hz, 0.8A, input to power adapter, 5VDC 20.0W output from power adapter

RS232 is reserved for power control. Maximum baud rate 115K2.


All known operating systems.

Related accessories

ADDER Rackmount Kit RMK4D-R2

ADDER® Rackmount Kits are designed to enable easy installation within the rack environment.

The RMK4D-R2 is a 19″ Rackmount 1U Kit for 2 units: ADDERLink® INFINITY®, ADDERView® CATx 1000 (8 and 16 port), ADDERView CATxIP 1000 (8 and 16 port) and ADDERView CATxIP 5000.

ADDER Rackmount Kit RMK4S

ADDER® Rackmount Kits are designed to enable easy installation within the rack environment.

RMK4S – ADDER® 19″ Rackmount 1U Kit

Compatible with:
ADDERView® CATx 1000 (8 and 16 port)
ADDERView CATxIP 1000 (8 and 16 port)


ADDER® C-USB-LAN is a high performance USB extender that enables you to locate your critical computing hardware away from the user work station whilst maintaining the original user desktop experience. It can transmit USB2.0 over a single CATx cable or via an 1GbE IP network: