PTN MVG88A, MVG44A User Manual

VGA/Stereo Audio Matrix Switcher 8x8

PTN Electronics Limited www.PTN-electronics.com

MVG88A

PTN VGA/Stereo Audio Matrix Switcher 8x8

USER MANUAL

Version: MVG88A2013V1.1

VGA/Stereo Audio Matrix Switcher 8x8

PTN Electronics Limited www.PTN-electronics.com

NOTICE: Please read this user manual carefully before using this product.

Update History

Version

Date

Update Content

1.0

2010.01.01

First Version.

1.1

2013.05.29

Modified the system diagram.

This manual is for operation instruction only, not for any maintenance usage.
The functions described in this version are updated till May 2013. Any changes
of functions and parameters since then will be informed separately. Please
refer to the dealers for the latest details.

This manual is copyright PTN Electronics Limited. All rights reserved. No part
of this publication may be copied or reproduced without the prior written
consent of PTN Electronics Limited.

All product function is valid till 2013-05-29.

VGA/Stereo Audio Matrix Switcher 8x8

PTN Electronics Limited www.PTN-electronics.com

Table of Contents

1. Introduction ............................................................................................................... 1

1.1. Introduction of MVG88A ................................................................................... 1

1.2. Package Contents ............................................................................................ 1

2. Features .................................................................................................................... 1

3. Specification .............................................................................................................. 1

4. Operations of the Control panel and the Remote Controller ..................................... 3

4.1. Operation of the Control Panel ......................................................................... 3

4.2. Usage of the Remote Controller ....................................................................... 4

5. External Connection .................................................................................................. 5

5.1. Introduction of the Input and Output Connectors .............................................. 5

5.2. How to Connect with the Input and Output Terminals ....................................... 6

5.3. Connection with RS232 Communication Port ................................................... 7

5.4. Connection with Computer ............................................................................... 7

5.5. Audio Signal Connection .................................................................................. 7

6. System Diagram ........................................................................................................ 8

7. Communication Protocol and Command Codes ....................................................... 9

8. Safety Operation Guide ........................................................................................... 11

9. Troubleshooting & Maintenance .............................................................................. 12

10. After-sales Service .................................................................................................. 13

VGA/Stereo Audio Matrix Switcher 8x8

PTN Electronics Limited www.PTN-electronics.com

1

1. Introduction

1.1. Introduction of MVG88A

MVG88A is an 8x8 VGA matrix switcher following with stereo audio, it supports audio
follow and audio breakaway switching. With bandwidth up to 350MHz(-3db), it supports
crosspoint switching. It shows a good application in broadcast room, television teaching
room, commanding center etc.

1.2. Package Contents

 1 x MVG88A
 1 x Power cord
 1 x IR remote (The cell battery is not included)
 16 x Captive screw connectors
 4 x Plastic cushions
 1 x RS232 cable
 1 x User manual

2. Features

 Video bandwidth up to 350MHz.
 Audio follow or audio breakaway switching.
 Fast switching speed in 200ns.
 Power-fail protection, allows switcher restore to previous settings.
 10 presets to save and recall switching patterns.
 Front panel lockout.
 Controllable via button, IR & RS232.

3. Specification

Video Input

Video Output

Input

8 VGA

Output

8 VGA

Input
Connector

Female 15 pin HD

Output
Connector

Female 15 pin HD

Input
Coupling

AC coupling only

Switching Type

Vertical interval
Input Level

0.5 ~ 2.0Vp-p

output Level

0.5 ~ 2.0Vp-p

Input
Impedence

75Ω

Output
Impedence

75Ω

Video General

Gain

0 dB

Bandwidth

350MHz (-3dB), fully
load

Video Signal

RGBHV,RGBS,
RGsB, RsGsBs,

Video Type

RGBHV,RGBS,
RGsB, RsGsBs,

VGA/Stereo Audio Matrix Switcher 8x8

PTN Electronics Limited www.PTN-electronics.com

2

component video,
S-video, and
composite video .

component video,
S-video, and
composite video .

Switching
Speed

200ns (Max.)

Crosstalk

<-50dB@5MHz

Audio Input

Audio Output

Input

8 stereo,
balanced/unbalanced

Output

8 stereo,
balanced/unbalanced

Input
Connector

Captive screw
connector, 5 pole

Output
Connector

Captive screw
connector, 5 pole

Input
Impedance

>10KΩ

Output
Impedance

50Ω

Audio General

Frequency
Response

20Hz ~ 20KHz

CMRR

>90dB@20Hz~20KHz

Stereo
Channel
Separation

>80dB@1KHz

THD + Noise

1%@1KHz,

0.3%@20KHz at
nominal level

Control Parts

Serial
Control Port

RS-232, 9-pin female
D connector

Pin
Configurations

2 = TX, 3 = RX, 5 =
GND

IR Remote

Default IR remote

Front Panel
Control

Buttons
Options

TCP/IP control by PTNET(PTN's programmable interface)

General

Power
Supply

100VAC ~ 240VAC,
50/60Hz

Power
Consumption

25W
Temperature

-20 ~ +70℃

Humidity

10% ~ 90%

Case
Dimension

W483 x H87 x
D260mm
(2U high, full rack
wide)

Product Weight

3.5Kg