Kramer VP-108 Manuel utilisateur

Kramer Electronics, Ltd.

USER MANUAL

Model:

VP-108

1:8 XGA / Balanced Stereo Audio DA

Contents

Introduction 1

Getting Started 1

Overview 1

Your VP-108 1:8 XGA / Balanced Stereo Audio DA 2

Connecting the VP-108 1:8 XGA / Balanced Stereo Audio DA 5

5.1

Connecting the Balanced/Unbalanced Stereo Audio Input/Output 6

5.2

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

5.2.1

Setting the Dipswitches 8

5.2.2

Setting the MACHINE # 9

5.3

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 3

Figure 2: VP-108 Underside 4

Figure 3: Connecting the Balanced Stereo Audio Input/Output 6

Figure 4: Connecting the Unbalanced Stereo Audio Output 6

Figure 5: Connecting an Unbalanced Source to the Balanced VP-108 Input 6

Figure 6: Connecting the VP-108 1:8 XGA / Balanced Stereo Audio DA 7

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

Figure 8: SETUP Set of 4 Dipswitches 8

Figure 9: REMOTE Terminal Block Connector 10

Tables

Table 1: Front Panel VP-108 1:8 XGA / Balanced Stereo Audio DA Features 4

Table 2: Rear Panel VP-108 1:8 XGA / Balanced Stereo Audio DA Features 4

Table 3: VP-108 Underside Features 4

Table 4: Dipswitch Settings 8

Table 5: Machine # Dipswitch Settings 9

Table 6: Technical Specifications of the VP-108 1:8 XGA / Balanced Stereo Audio DA 11

Table 7: VP-108 Hex Codes 12

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

350-plus different models now appear in 8 Groups

, which 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

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.

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

KRAMER: SIMPLE CREATIVE TECHNOLOGY

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

In particular, the VP-108:

 Is unique in that each of the 8 VGA outputs, and each of the 8 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, Table 1 and Table 2 define the VP-108 1:8 XGA / Balanced Stereo

Audio DA:

1 Using the REMOTE connector (see section 5.3) or via RS-232 or RS-485

2 Using the REMOTE connector (see section 5.3)

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

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

KRAMER: SIMPLE CREATIVE TECHNOLOGY

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

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

# Feature Function

1 POWER Switch

Illuminated switch supplying power to the unit

Table 2: Rear Panel VP-108 1:8 XGA / Balanced Stereo Audio DA Features

# Feature Function

1 AUDIO INPUT Terminal Block Connector Connect to the balanced stereo audio source

2 XGA INPUT HD15 Connector Connect to the XGA source

3 LEFT LEVEL Trimmer Adjusts

the left output signal level

4 RIGHT LEVEL Trimmer Adjusts

the right output signal level

5 LOOP HD15 Connector For looping to increase output availability

6 AUDIO OUTPUT Terminal Block Connectors

Connect to the balanced stereo audio acceptors (from 1 to 8)

7 XGA OUTPUT HD15 Connectors Connect to the XGA acceptors (from 1 to 8)

8 REMOTE Terminal Block Connectors Connect to the dry contact switches

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

10 RS-232 DB 9F Connector Connect to PC or other Serial Controller

11 SETUP Dipswitches Dipswitches for setup of the unit

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

Figure 2 and Table 3 define the underside controls:

Figure 2: VP-108 Underside

Table 3: 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 As required. Outputs may be connected or left unconnected

3 The factory default

4 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

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

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

5 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 6 illustrates, do the following

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

INPUT HD15 connector, and connect

the balanced stereo audio source to the

AUDIO INPUT terminal block connector.

2. Connect up to 8 XGA OUTPUT HD15 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 HD15 connector (OPTIONAL) to the XGA INPUT

HD15 connector on an additional unit to increase video outputs.

4. Set the dipswitches (see section 5.2.1).

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. Connect a PC (OPTIONAL) or other RS-232 (see section 5.2) or RS-485

controller, when using, for example, the Windows®-based Kramer control

software.

9. Connect a REMOTE terminal block connector (OPTIONAL) to the

Ground terminal block connector to disable that output

(see section 5.3).

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 5.1 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 6

5 An output may also be disabled via RS-232 or RS-485

KRAMER: SIMPLE CREATIVE TECHNOLOGY

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

5.1 Connecting the Balanced/Unbalanced Stereo Audio Input/Output

Figure 3 illustrates how to wire a balanced input/output connection:

Figure 3: Connecting the Balanced Stereo Audio Input/Output

Figure 4 illustrates how to wire an unbalanced acceptor to the balanced output

of the unit:

Figure 4: Connecting the Unbalanced Stereo Audio Output

Figure 5 illustrates how to connect an unbalanced source to the balanced

input on the VP-108:

Figure 5: Connecting an Unbalanced Source to the Balanced VP-108 Input

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

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

KRAMER: SIMPLE CREATIVE TECHNOLOGY

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

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

To connect a PC to the VP-108 unit(s), using the Null-modem adapter

provided with the machine (recommended):

 Connect the RS-232 DB9 rear panel port on the VP-108 unit to the

Null-modem adapter and connect the Null-modem adapter with a 9 wire flat

cable to the RS-232 DB9 port on your PC

To connect a PC to the VP-108 unit, without using a Null-modem adapter:

 Connect the RS-232 DB9 port on your PC to the RS-232 DB9 rear panel

port on the VP-108 unit, as Figure 7 illustrates (depending on whether the PC

has a 9-pin or 25-pin connector)

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

5.2.1 Setting the Dipswitches

Figure 8 illustrates the factory default SETUP dipswitches:

Figure 8: SETUP Set of 4 Dipswitches

Table 4: Dipswitch Settings

Function DIPS Description

Machine # 1, 2, 3 Determines the position of a unit in the sequence (refer to section 5.2.2)

PC 485 4 Set ON when connecting the PC (or other controller) via the RS-485 port, set

OFF when connecting the PC via the RS-232 port or when not connecting a PC

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