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6.....The Avocent® LongView™ 5000 Series High Performance KVM Extender System Installer/User Guide

Support for other video standards

Both ports support the DisplayPort Dual-Mode (DP++) standard, which means that as well as providing high

resolution DisplayPort signals, they can also sense when a single-link HDMI or DVI adaptor is attached.

When this occurs, the output signals are adjusted accordingly to support those display types. Additionally, a

dual-link DVI adaptor can be attached (to port 1 only), which provides higher resolution signals for special DVI

displays. Some adaptors use power from the video socket whereas others require an external power supply,

and this is usually gained from a spare USB socket. Port 1 provides a higher bandwidth than port 2 which is

limited to a maximum of 154 Mpixels/per second. Single-link DVI can require up to 165 Mpixels/per second.

EDID management

The extenders mask the resolution modes that cannot be supported within the available bandwidth. The

display attached to Video port 1 is given the priority. If sufficient bandwidth does not exist for the modes

declared by the second display, it is not reported to the host PC. EDID information is checked when a new

monitor connection is sensed and it is passed to the computer.

The receiver provides four USB ports on the front. Three ports are labeled for low/full speed USB keyboards

and mice only. These are also suitable for providing power to third-party DisplayPort adaptors. The fourth port

is the hi-speed USB port which provides the following:

•

One of the host computer USB ports is connected to the Link B port on the transmitter and supports

USB version 2.0.

•

The second CATx Link B is in place.

Transmitters and receivers are linked by either one or two CATx cables at a distance of up to 150 meters (492

feet). The type and quality of the CATx cables used are crucial to the mode of operation. If a hi-speed USB is

not needed at the receiver, a CATx link between the B ports of the units is not required.

The receiver has two analog audio inputs, a microphone input on the front panel and a line-in input on the rear

of the receiver. You can choose between these two analog inputs using a hotkey switch.

To choose between the line-in and microphone inputs:

1. Using a USB keyboard attached to one of the USB A ports on the receiver, press CRTL three times.

The three keyboard indicators will all flash, once per second.

2. Use the numeric keys to select the required input.

NOTE: Do not use the numeric keypad.

To select line-in mode, press 2. The line-in icon is displayed on the screen to confirm your selection.

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