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DVI-Vision-IP – extends single-link DVI signals over standard IP-based networks on Layer 3
The KVM-over-IP extender system DVI-Vision-IP extends the following signals:
- Single-link DVI video
- Keyboard/mouse (USB and PS/2)
- Audio + RS232
- USB HID Generic
The system processes single-link DVI image data pixel-perfectly and with very good hand-eye coordination. The maximum possible image resolution corresponds to a pixel rate between 25MPixel/s and 165MPixel/s. ignals are transmitted using CAT cabling or optical fibers as well as over IP-based networks on layer 3 – even across network boundaries.
The DVI-Vision-IP system consists of a computer module (transmitter) and a console module (receiver) and allows users to operate their computers from great distances. By means of manual bandwidth management, the transmission can be adapted to a wide range of bandwidth requirements. Video, keyboard, mouse and control data is encrypted with AES-128.
Operating principle
Extenders of the DVI-Vision-IP series use G&D’s KVM-over-IP™ technology to transmit signals. The transmission is based on IP networks over gigabit Ethernet (OSI model, layer 3). The devices include with a network interface for transmitting data, WebIF, configuration, monitoring, SNMP and updates. They are also equipped with a management network interface that provides all of the above functions in addition to data transmission.
For monitoring, DVI-Vision-IP uses G&D’s proven monitoring and SNMP technology. The system can be configured by via web interface or OSD. Due to predefined IP addresses, plug & play is supported for both console and computer modules. Therefore, it couldn’t be easier to use existing network infrastructures or CAT cables or optical fibres in a 1:1 connection to put the modules into operation. Within the KVM-over-IP product family, the different extender variants are compatible with each other, allowing any mixmatching of different video interfaces on console and computer modules.
G&D’s KVM-over-IP technology can be used extremely flexible. The KVM-over-IP extenders can be operated in a matrix mode using an additional control unit, the ControlCenter-IP. This allows the distribution and sharing of signals within a LAN infrastructure. Users can also access their systems within the LAN network regardless of actual ranges. However, data transmission with KVM-over-IP technology is not compatible with classic KVM extenders from G&D.
Product details
Video
- Support of single-link DVI video
- Resolution with pixel rate between 25MPixel/s and 165MPixel/s
- Horizontal frequency: 25 kHz - 130 kHz
- Vertical frequency: 24 Hz - 120 Hz
- Resolutions up to 1920 × 1200 @ 60 Hz, 1280 × 1024 @ 85 Hz
- Exemplary resolutions:
- 1920 x 1080 @ 60 Hz,
- 1600 x 1200 @ 60 Hz.
- Further VESA and CEA standardized resolutions can be used within the scope of the pixel rate and the horizontal and vertical frequency.
- Supported interlace resolutions:
- 1920 x 1080i @ 60 Hz (1080i_60 Hz),
- 1920 x 1080i @ 50 Hz (1080i_50 Hz),
- 1440 x 576i @ 50 Hz (576i_50 Hz),
- 1440 x 480i @ 60 Hz (480i_60 Hz),
- Pixel encoding of RGB 4:4:4 with 24bpp/8bpc
- Compressed transmission, pixel perfect, lossless video quality, near-zero latency, ideal hand-eye coordination
- EDID support
- Digital and analogue monitors can be connected on user side
Operation
- Integrated matrix support for use in combination with ControlCenter-IP
- On-screen display for configuration and operation
- Web application Config Panel 21 for configuration, monitoring and updates
- Local console at computer module
- Ident LED to quickly find devices in complex installations
- Competing or exclusive operation over local or remote workstation
- Screen-freeze function at remote console
Signals
- Encrypted video, keyboard, mouse and control data (AES-128)
- Support of PS/2 and USB keyboard/mouse (even in mixed mode)
- Permanent keyboard and mouse emulation
- Permanent monitor emulation
- Audio stereo bidirectional
- RS232 transparent
- Generic USB HID interface
Transmission
- IP-based signal transmission over standard gigabit Ethernet networks Layer 3, CAT or optical fibers
- HDIP level 1-3
- Secure and trouble-free operation through pairing and encryption with be AES-128 (cannot be manipulated)
- Unlimited transmission distance, with up to 100 meters between 2 active network components when using CAT cabling and up to 10,000 metres when using optical fibres
Device
- Internal power pack for main power supply
- Redundant, external power supply (optional)
- Ident LED to quickly find devices in complex installations
- Shipped as desktop variant (sets for rackmounting are separately available)
System update
- Update via Config Panel 21 (HTML, Java-free, optimised operation)
Configuration and security
- Encrypted video, keyboard, mouse and control data (AES-128)
- Support of Quality of Service (QoS), can be configured by users
- Users can configure network ports of the respective communication channels
- Additional, independent management interface
- Manual bandwidth management to adjust the required bandwidth
- SNMP (trap and agent)
- Galvanic separation of transmitter and receiver (only with Fiber), less sensitive to interfering radiation
- High reliability
Screen freeze function
If the receiver loses the video signal due to a broken connection or a problem with the computer‘s graphics card, the Screen freeze function „freezes“ the image last displayed on the monitor. This status is highlighted by a red semi-transparent frame. The function is automatically cancelled when the display receives an active video signal.
Monitoring
With the Monitoring function, you can auto-output device status messages to Syslog servers or via SNMP. The web interface lets you monitor the device manually.
The monitoring function of the DP1.2-Vision-IP queries the following values:
• Status power supply unit (on/off)
• Status temperature threshold device (in/over limit)
• Status connection cables (ok/nok)
• Status computer (on/off)
• Status image signal graphics card computer (available/not available)
• Status network
• Fan monitoring
• Status SFP modules (fiber variant)
• Status interfaces transmitter and receiver
• Freeze status
• Type of display (local and remote)
• Proactive monitoring of device status
• Event reporting function (syslog or SNMP traps)
The video shows you the differences between classic KVM and KVM-over-IP and the challenges and advantages of IP transmission – explained on the example of KVM-over-IP extenders.
List of Item Numbers
Computer modules
Item No. | Description | |
---|---|---|
A1110238 | DVI-Vision-IP-AR-CPU | |
A1110250 | DVI-Vision-IP-Fiber(M)-AR-CPU | |
A1110252 | DVI-Vision-IP-Fiber(S)-AR-CPU |
Console modules
Item No. | Description | |
---|---|---|
A1120332 | DVI-Vision-IP-AR-CON | |
A1120344 | DVI-Vision-IP-Fiber(M)-AR-CON | |
A1120346 | DVI-Vision-IP-Fiber(S)-AR-CON |
What is a KVM extender?
Explanation

Transmission via CAT-X cable

Transmission via fibre optics

Resolutions up to 4K

DisplayPort™ video signals

DVI-DualLink video signals

DVI-SingleLink video signals

Analogue VGA video signals

Mix & Match compatible

USB 2.0 transmission

USB 3.0 transmission

Transmission of audio signals

Transparent RS232
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