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U.S.A. 1-800-AVI-2131
DPN‐4 Quad
User Manual
Multi-platform KVM switch capable of managing up to 4 different computers through four DisplayPort monitors, one USB keyboard & USB mouse Port DisplayPort KVM Switch with USB 2.0 and Audio Supports 4 Computers with 4 DisplayPort Monitors each

8 Figure 2-1 Figure 2-2 PART NO. QTY DESCRIPTION
DPN-4Quad, x DisplayPort, USB 2.0, Audio Switch.
1 Power Adapter
1 Quick Start Guide WHATS IN THE BOX Brackets for mounting this device in a standard 19” rack maybe optionally ordered from Smart-AVI.

3 INTRODUCTION The DPN-4 Quad is a dedicated multi-platform KVM switch capable of managing up to 4 different computers through four DisplayPort monitors, one USB keyboard & mouse and a single set of speakers. The USB emulation technology utilized by the DPN-4 Quad enables immediate hotkey source switching through a remote USB keyboard and mouse. The DPN-4 Quad uses DisplayPort connectors providing high resolutions of up to K (x @ Hz) with zero pixel loss from TMDS signal correction. SOURCE SWITCHING MADE EASY The DPN-4Quad provides a simplified management approach to up 4 computers with DisplayPort, stereo audio, and USB 2.0 outputs. This dynamic KVM console can be controlled remotely from easily accessible keyboard hotkeys or RS commands, as well as directly through the console’s easy to read front panel.
EDID LEARNING & PROGRAMMING Detection of DDC signals for all attached devices is effortless with DPN-4Quad due to its real EDID learning and programming. This is vital in optimizing the resolution of the selected graphics card to properly display on the remote monitor. Furthermore, the EDID learning feature continues to replicate the right
DDC for the computer to enable the display card to effectively work when unused ports are not selected. FULL USB KEYBOARD AND MOUSE EMULATION The USB keyboard and mouse emulation utilized by DPN-4Quad provides accurate and quick source switching by means of keyboard hotkeys and mouse actions. DPN-4Quad imitates the presence of a keyboard and mouse for every attached computer through a USB cable. This is essential as it simulates the existence of the keyboard and mouse to all the computers while switching without interruptions. APPLICATIONS The DPN-4Quad has abroad range of applications, but the main function of this KVM switch is to centralize the access of several computers into one comprehensive PC. Not only does it function as a KVM console, it also supports USB 2.0 functionality. This allows a user at the console to use USB devices that would otherwise be unavailable with conventional KVM devices. For example, it allows a user to use a flash memory drive or camera without having to plug it directly into the remote computer. DPN-4Quad is a perfect solution for the medical or industrial field, where it may not be practical or safe to have one or more CPUs in the general vicinity.
 Server Collocation
 Digital Signage
 Education
 Airports
 Dealer Rooms
 Control Rooms
 Audio/Visual Presentations
 Shopping Centers
 Hotels/Resorts
 KVM Switches

DisplayPort 1.2 Link Rate
5.4 Gbps/lane Input Interface
(16) DisplayPort (female) Output Interface
(4) DisplayPort (female) Resolution x Hz)
Faux transaction mode option over Aux channel Input Equalization Automatic Bandwidth Frequency 10.2Gbps AUDIO Input Interface
(4) 3.5 mm Stereo Audio Output Interface
(1) 3.5 mm Stereo Audio Impedance
600 Ohm Frequency Response 20 Hz to 20 kHz Nominal Level
0-1.0 V Common Mode Rejection at 60 dB USB Signal Type USB 2.0, 1.1, and 1.0 w internal hub Input Interface
(4) USB Type B (female)
Output Interface
(2) USB 1.1 Type A (female) for keyboard and mouse
(2) USB 2.0 Type A Transparent CONTROL Front Panel Buttons, Select/Switch between Video & Audio sources and view the current selected channel. RS DB Female - 9600 N, No flow control Hot Keys Via Keyboard OTHER Power Adapter External 100-240 VAC 5VDC2A Dimensions
4.5” H x 6” D x 12.75” W Weight
5.6 lbs Operating Temp.
+23 to +F (-5 to +C) Storage Temp.
-4 to F (-20 to C) Humidity up to 90% (No Condensation) Emulation Keyboard and mouse only Consumption
20 W (Max)

1. Ensure that power is disconnected from the DPN-4 Quad.
2. Connect the DisplayPort cables, USB cables (male-A to male-B) and Audio cables from the computers to the respective ports on the DPN-4 Quad.
3. Optionally connect RS for control functions.
4. Connect the USB keyboard and mouse to the two USB ports marked for them on the right.
5. Connect the DisplayPort monitors to the OUT connectors on the DPN-4 Quad.
6. Connect speakers to the Audio out jack on the DPN-4 Quad.
7. Power on the DPN-4 Quad. Note The 2 USB ports on the right are dedicated for keyboard and mouse emulation. The 2 on the left are for other USB peripherals. (flash drives, printers, etc) Figure 5‐1 Figure 5‐2

6 CONTROL Front Panel Control To switch ports using the front panel, press the M or M button to navigate from computer to computer. The numbered LED lights will indicate which computer is selected. Figure 6-1
Hotkey Commands A Hotkey command is a keyboard sequence used to trigger an action on the DPN-4 Quad through the use of the keyboard connected on the USB port of the DPN-4 Quad. To activate the hotkey sequence, press the CTRL key twice and then enter the desired hotkey commands. Hotkey commands are listed below. RS Control RS control allows for remote control of the DPN-4 Quad. Seethe section on establishing an RS connection in this manual. Set the connection to 9600 N, No flow control. RS commands are listed below.
HOTKEYS RS CONTROL Switch all devices (KVM, USB 2.0, and Audio) [CTRL] [CTRL] m port #] ENTER m port #] ENTER Switch KVM only
[CTRL] [CTRL] c port #] ENTER c port #] ENTER Switch audio only
[CTRL] [CTRL] a port #] ENTER a port #] ENTER Switch USB 2.0 only
[CTRL] [CTRL] u port #] ENTER u port #] ENTER Same as front panel up arrow button
[CTRL] [CTRL] ↑ n/a Same as front panel down arrow button
[CTRL] [CTRL] ↓ n/a Reset
[CTRL] [CTRL] r r Table 6-2

7 ESTABLISHING AN RS CONNECTION Before you start Controlling a Smart-AVI device via RS requires an RS card installed on your computer or a USB to RS adapter. Below are instructions on how to create an RS connection between a PC and the
Smart-AVI device. Use terminal client software such as the PuTTY to connect to the Smart-AVI device. Make sure to use communication settings 9600 bps, N, 8, 1, No flow control. Check the device and your PC to determine if you need a male to male or a male to female cable and how long it needs to be. The Smart-AVI device requires a straight through cable. You can use a Null Modem Adapter to convert a crossed cable to a straight through cable. Examples of crossed and straight thorough cable pin-outs are shown below. The standard maximum length for an RS cable is 50 feet. Call our
Smart-AVI Support Engineer if you require more information. Figure 7-1 Examples of 9 pin RS Straight Through and Crossed Cables Establish a connection to the Smart-AVI device. Connect an RS cable to the RS connector on the PC.
2. Connect the other end of the cable to the RS port of the Smart-AVI device.
3. Use Windows Control Panel / Device Manager to identify the Comport number. See instructions and Figure 7-2 below.
4. Power on the device. If you are using a USB to COM port adapter on a Windows PC and need to identify the COM port used, do the following
1. Click on the start button.
2. Click on Control Panel.
3. Click on Device Manager.
4. Click on the arrow next to Ports (COM & LPT). You should seethe name of your adapter and the COM port number in use. Figure 7-2


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