Kramer VP-108 Manuel utilisateur

Kramer Electronics, Ltd.

USER MANUAL

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Model:

VP-108

1:8 XGA / Balanced Stereo Audio DA

Contents

Introduction 1

Getting Started 1

2.1

Quick Start 1

Overview 3

Your VP-108 1:8 XGA / Balanced Stereo Audio DA 3

Installing the VP-108 in a Rack 6

Connecting the VP-108 1:8 XGA / Balanced Stereo Audio DA 7

6.1

Connecting the Balanced/Unbalanced Stereo Audio Input/Output 9

6.2

Controlling via RS-232 (for example, using a PC) 8

6.2.1

Setting the Dipswitches 8

6.2.2

Setting the MACHINE # 9

6.3

Connecting the REMOTE Connector 9

Technical Specifications 11

Table of Hex Codes for Serial Communication 12

Figures

Figure 1: VP-108 1:8 XGA / Balanced Stereo Audio DA 4

Figure 2: VP-108 Underside 5

Figure 3: Connecting the VP-108 1:8 XGA / Balanced Stereo Audio DA 8

Figure 4: Connecting the Balanced Stereo Audio Input/Output 9

Figure 5: Connecting the Unbalanced Stereo Audio Output 9

Figure 6: Connecting an Unbalanced Source to the Balanced VP-108 Input 9

Figure 7: Connecting a VP-108 Unit to a PC without using a Null-modem Adapter 8

Figure 8: SETUP Dipswitches 8

Figure 9: REMOTE Terminal Block Connector 10

Tables

Table 1: VP-108 1:8 XGA / Balanced Stereo Audio DA Features 5

Table 2: VP-108 Underside Features 5

Table 3: Dipswitch Settings 8

Table 4: Machine # Dipswitch Settings 9

Table 5: Technical Specifications of the VP-108 1:8 XGA / Balanced Stereo Audio DA 11

Table 6: VP-108 Hex Codes 12

Introduction

1 Introduction

Welcome to Kramer Electronics! Since 1981, Kramer Electronics has been

providing a world of unique, creative, and affordable solutions to the vast range

of problems that confront the video, audio, presentation, and broadcasting

professional on a daily basis. In recent years, we have redesigned and upgraded

most of our line, making the best even better! Our 1,000-plus different models

now appear in 11 groups

that are clearly defined by function.

Congratulations on purchasing your Kramer VP-108 1:8 XGA / Balanced

Stereo Audio DA (distribution amplifier),which is ideal for using with

presentation systems, and video duplication and production studios.

The package includes the following items:

VP-108 1:8 XGA / Balanced Stereo Audio DA

Power cord

Windows®-based Kramer control software

Null-modem adapter

This user manual

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 cables

2.1 Quick Start

This quick start chart summarizes the basic steps when connecting a VP-108:

1 GROUP 1: Distribution Amplifiers; GROUP 2: Switchers and Matrix Switchers; GROUP 3: Control Systems; GROUP 4:

Format/Standards Converters; GROUP 5: Twisted-Pair Solutions; GROUP 6: Specialty AV Products; GROUP 7: Scan

Converters and Scalers; GROUP 8: Cables and Connectors; GROUP 9: Room Connectivity; GROUP 10: Accessories and

Rack Adapters; GROUP 11: Sierra Products

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

KRAMER: SIMPLE CREATIVE TECHNOLOGY

Getting Started

Overview

3 Overview

The high-performance VP-108 1:8 XGA / Balanced Stereo Audio DA is an

8-channel distribution amplifier for VGA/XGA and stereo audio (balanced or

unbalanced) that uses 15-pin HD connectors for the VGA-type signals, and

detachable terminal block connectors for the audio.

In particular, the VP-108:

Is unique in that each of the eight XGA outputs, and each of the eight

stereo audio outputs, may be individually enabled or disabled

, replacing a

switcher which would typically be used in such setups

Is controllable (switching of the outputs) via RS-232 or RS-485 serial

commands transmitted by a touch screen system, PC, or other serial

controller, as well as via external dry contact switches

Stores the output configuration in non-volatile memory so that the

machine will restore its power-down status when power is returned

Uses solid-state electronic switching, and low-noise amplifying circuitry

throughout the unit, and the sync pulses are detected and reconstructed

before amplifying and buffering to the outputs

Has a high video bandwidth, ensuring that each unit remains transparent

even at the highest resolution VGA modes such as XGA

Achieving the best performance means:

Connecting only good quality connection cables, thus avoiding

interference, deterioration in signal quality due to poor matching, and

elevated noise levels (often associated with low quality cables)

Avoiding interference from neighboring electrical appliances and

positioning your VP-108 unit in a location free from moisture, excessive

sunlight and dust

4 Your VP-108 1:8 XGA / Balanced Stereo Audio DA

Figure 1 and Table 1 define the VP-108 1:8 XGA / Balanced Stereo Audio

DA:

1 Using the REMOTE connector (see section 6.3) or via RS-232 or RS-485

KRAMER: SIMPLE CREATIVE TECHNOLOGY

Your VP-108 1:8 XGA / Balanced Stereo Audio DA

Figure 1: VP-108 1:8 XGA / Balanced Stereo Audio DA

Your VP-108 1:8 XGA / Balanced Stereo Audio DA

Table 1: VP-108 1:8 XGA / Balanced Stereo Audio DA Features

# Feature Function

1 POWER Switch Illuminated switch for turning the unit ON or OFF

2 AUDIO INPUT Terminal Block

Connector Connect to the balanced stereo audio source

3 XGA INPUT 15-pin HD Connector Connect to the XGA source

4 LEFT LEVEL Trimmer Adjust

the left output signal level

5 RIGHT LEVEL Trimmer Adjust

the right output signal level

6 LOOP 15-pin HD Connector For looping to increase output availability

7 OUTPUT Terminal Block Connectors Connect to the balanced stereo audio acceptors (from 1 to 8)

8 OUTPUT 15-pin HD Connectors Connect to the XGA acceptors (from 1 to 8)

9 REMOTE Terminal Block Connectors Connect to the contact closure switches

10 RS-485 Connector RS-485 detachable terminal block port

11 RS-232 9-pin D-sub Connector Connect to PC or other Serial Controller

12 SETUP Dipswitches Dipswitches for setup of the unit

13 Power Connector with Fuse AC connector enabling power supply to the unit

Figure 2 and Table 2 define the underside controls:

Figure 2: VP-108 Underside

Table 2: VP-108 Underside Features

Feature Function

ID BIT Switch Set to ON position

to select the ID BIT

TERMINATION

Switch Set to ON position

to terminate with 75, or move to Hi-Z for looping

EQ.

Trimmers Adjust

the cable compensation equalization levels for blue, green and red

LEVEL

Trimmers Adjust

the output signal levels for blue, green and red

1 Insert a screwdriver into the small hole and carefully rotate it

2 The factory default

3 Sometimes notebook computers refuse to output a VGA signal to an external VGA monitor if they do not detect the ID BIT

as ON. Set the ID BIT to ON using this switch so that the notebook will output to an external VGA monitor

4 Separately for Blue (B), Green (G) and Red (R)

KRAMER: SIMPLE CREATIVE TECHNOLOGY

Installing the VP-108 in a Rack

5 Installing the VP-108 in a Rack

This section describes what to do before installing in a rack and how to rack

mount.

Before Installing in a Rack How to Rack Mount

Before installing in a rack, be sure that the environment is

within the recommended range:

Operating temperature range +5º to +45º C (41º to 113º F)

Operating humidity range 10 to 90% RHL, non-condensing

Storage temperature range -20º to +70º C (-4º to 158º F)

Storage humidity range 5 to 95% RHL, non-condensing



CAUTION!!

When installing in a 19" rack, avoid hazards by taking

care that:

1. It is located within the recommended environmental

conditions, as the operating ambient temperature of a

closed or multi unit rack assembly may exceed the

room ambient temperature.

2. Once rack mounted, enough air will still flow around

the machine.

3. The machine is placed straight in the correct

horizontal position.

4. You do not overload the circuit(s). When connecting

the machine to the supply circuit, overloading the

circuits might have a detrimental effect on overcurrent

protection and supply wiring. Refer to the appropriate

nameplate ratings for information. For example, for

fuse replacement, see the value printed on the

product label.

5. The machine is earthed (grounded) in a reliable way

and is connected only to an electricity socket with

grounding. Pay particular attention to situations where

electricity is supplied indirectly (when the power cord

is not plugged directly into the socket in the wall), for

example, when using an extension cable or a power

strip, and that you use only the power cord that is

supplied with the machine.

To rack-mount a machine:

1. Attach both ear brackets to the

machine. To do so, remove the

screws from each side of the

machine (3 on each side), and

replace those screws through the

ear brackets.

2. Place the ears of the machine

against the rack rails, and insert the

proper screws (not provided)

through each of the four holes in the

rack ears.

Note that:

In some models, the front panel

may feature built-in rack ears

Detachable rack ears can be

removed for desktop use

Always mount the machine in the

rack before you attach any cables

or connect the machine to the

power

If you are using a Kramer rack

adapter kit (for a machine that is not

19"), see the Rack Adapters user

manual for installation instructions

(you can download it at:

http://www.kramerelectronics.com)

Connecting the VP-108 1:8 XGA / Balanced Stereo Audio DA

6 Connecting the VP-108 1:8 XGA / Balanced Stereo Audio DA

To connect the VP-108 1:8 XGA / Balanced Stereo Audio DA, as the example

in Figure 3 illustrates, do the following

1. Connect the XGA graphics source (for example, a PC) to the XGA

INPUT 15-pin HD connector, and connect

the balanced stereo audio

source to the AUDIO INPUT terminal block connector.

2. Connect up to 8 XGA OUTPUT 15-pin HD connectors to the XGA

acceptors (for example, XGA monitors), and connect

the corresponding

AUDIO OUTPUT terminal block connectors to the stereo audio acceptors

(for example, pairs of stereo loudspeakers).

3. Connect the LOOP 15-pin HD connector (OPTIONAL) to the XGA

INPUT 15-pin HD connector on an additional unit to increase video

outputs.

4. Set the dipswitches (see section 6.2.1).

5. Set the switches on the underside for looping

(see Figure 2).

6. Connect the power cord

7. Adjust the left and right audio signal levels, if required.

8. If required

, connect a PC and/or controller to the RS-232 port (see

section 6.2), and/or the RS-485 port.

9. If required, connect a remote contact closure switch (see section 6.3).

1 Switch OFF the power on each device before connecting it to your VP-108. After connecting your VP-108, switch on its

power and then switch on the power on each device. Switching on the VP-108, recalls the last status prior to powering down

2 See section 6.1 for a description of how to connect a balanced/unbalanced stereo audio input/output

3 The default settings are for non-looping

4 The power connector is not illustrated in Figure 3

5 Not illustrated in Figure 3

KRAMER: SIMPLE CREATIVE TECHNOLOGY

Connecting the VP-108 1:8 XGA / Balanced Stereo Audio DA

Figure 3: Connecting the VP-108 1:8 XGA / Balanced Stereo Audio DA

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