Kramer Electronics VP-12NHD User Manual
Kramer Electronics, Ltd.
USER MANUAL
Model:
VP-12NHD
1:12 + 3 UXGA / CAT5 Distributor
Contents
Contents
1
Introduction 1
2
Getting Started 1
2.1 Quick Start 1
3
Overview 3
3.1 About the Power Connect Feature 3
3.2 Shielded Twisted Pair (STP) / Unshielded Twisted Pair (UTP) 3
3.3 About the VP-12NHD 3
3.4 Recommendations for Achieving the Best Performance 4
4
Your VP-12NHD 1:12 + 3 UXGA / CAT5 Distributor 4
5
Installing on a Rack 7
6
Using Your VP-12NHD 1:12 + 3 UXGA / CAT5 Distributor 8
6.1 Wiring the CAT5 LINE IN / LINE OUT RJ-45 Connectors 10
7
Technical Specifications 11
Figures
Figure 1: VP-12NHD 1:12 + 3 UXGA / CAT5 Distributor 5
Figure 2: Underside of the VP-12NHD 1:12 + 3 UXGA / CAT5 Distributor 5
Figure 3: Connecting the VP-12NHD 1:12 + 3 UXGA / CAT5 Distributor 9
Figure 4: CAT5 PINOUT 10
Tables
Table 1: Front and Rear Panel Features of the VP-12NHD 6
Table 2: Underside Features of the VP-12NHD 6
Table 3: CAT5 PINOUT 10
Table 4: Technical Specifications of the VP-12NHD 1:12 + 3 UXGA / CAT5 Distributor 11
i
Introduction
1 Introduction
Welcome to Kramer Electronics (since 1981): a world of unique, creative and
affordable solutions to the infinite range of problems that confront the video,
audio and presentation professional on a daily basis. In recent years, we have
redesigned and upgraded most of our line, making the best even better! Our
500-plus different models now appear in 8 Groups1, which are clearly defined
by function.
Congratulations on purchasing your Kramer VP-12NHD 1:12 + 3 UXGA /
CAT5 Distributor, which is ideal for:
Presentation and multimedia applications that require high quality
computer graphics distribution to multiple monitors and/or projectors
Long range graphics distribution for schools, hospitals, security, and stores
The package includes the following items:
VP-12NHD 1:12 + 3 UXGA / CAT5 Distributor
Power cord
This user manual2
2 Getting Started
We recommend that you:
Unpack the equipment carefully and save the original box and packaging
materials for possible future shipment
Review the contents of this user manual
Use Kramer high performance high resolution cables3
2.1 Quick Start
This quick start chart summarizes the basic setup and operation:
1 GROUP 1: Distribution Amplifiers; GROUP 2: Video and Audio Switchers, Matrix Switchers and Controllers; GROUP 3:
Video, Audio, VGA/XGA Processors; GROUP 4: Interfaces and Sync Processors; GROUP 5: Twisted Pair Interfaces;
GROUP 6: Accessories and Rack Adapters; GROUP 7: Scan Converters and Scalers; and GROUP 8: Cables and Connectors
2 Download up-to-date Kramer user manuals from the Internet at this URL: http://www.kramerelectronics.com
3 The complete list of Kramer cables is on our Web site at http://www.kramerelectronics.com
1
Getting Started
2
KRAMER: SIMPLE CREATIVE TECHNOLOGY
Overview
3 Overview
This section describes:
The power connect feature, see section 3.1
Using shielded twisted pair (STP) / unshielded twisted pair (UTP), see
section 3.2
A summary of the VP-12NHD, see section 3.3
Recommendations for achieving the best performance, see section 3.4
3.1 About the Power Connect Feature
The Power Connect feature lets you power a transmitter / receiver system by
connecting just one power adapter— to either the transmitter or the receiver.
The other unit is fed via the cable connecting between the
transmitter/receiver. The Power Connect feature applies as long as the cable
can carry power. The distance does not exceed 50 meters on standard CAT5
cable, for longer distances, heavy gauge cable should be used1.
For a CAT5 cable exceeding a distance of 50 meters, separate power supplies
should be connected to the transmitter and to the receiver simultaneously.
3.2 Shielded Twisted Pair (STP) / Unshielded Twisted Pair (UTP)
The decision whether to use shielded twisted pair (STP) cable or unshielded
twisted pair (UTP) cable depends on the nature of the application.
It is recommended that in applications with high interference, shielded
twisted pair (STP) cable is used. However, the shield itself does create a
capacitance that degrades the frequency response of the machines. For shorter
distances, of 50m or so, shielded twisted pair (STP) cable is preferred because
it provides protection from interference (degradation is not apparent).
For long range applications, unshielded twisted pair (UTP) cable is preferred.
However, the unshielded twisted pair (UTP) cable should be installed far away from
electric cables, motors and so on, which are prone to create electrical interference.
3.3 About the VP-12NHD
The Kramer VP-12NHD is a high performance distributor for computer
graphics signals, accepting one input, providing necessary buffering and
isolation, and distributing the signal to its identical 12 outputs, as well as
transmitting it over UTP cabling to 3 CAT5 outputs, each with a transmission
range of more than 300 ft. (more than 100 meters).
1 CAT5 cable is still suitable for the video/audio transmission, but not for feeding the power at these distances
3
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