PTN MRG88A User Manual

RGBHV/Stereo Audio Matrix Switcher 8x8

PTN Electronics Limited www.PTN-electronics.com

MRG88A

PTN RGBHV/Stereo Audio Matrix Switcher 8x8

USER MANUAL

Version: MRG88A2010V1.0

RGBHV/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.

This manual is only an instruction for operators, not for any maintenance
usage. The functions described in this version are updated till Jan 2010. 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 2010-01-01.

RGBHV/Stereo Audio Matrix Switcher 8x8

PTN Electronics Limited www.PTN-electronics.com

Table of Contents

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

1.1. Introduction of MRG88A ................................................................................ 1

1.3. 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. Connection with RS232 Communication Port ................................................ 6

5.3. Connection with Computer ............................................................................. 8

5.4. RGBHV connection ........................................................................................ 6

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

6. System Diagram ........................................................................................................ 9

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

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

9. Troubleshooting & Maintenance .............................................................................. 13

10. After-sales Service .................................................................................................. 14

RGBHV/Stereo Audio Matrix Switcher 8x8

PTN Electronics Limited www.PTN-electronics.com

1

1. Introduction

1.1. Introduction of MRG88A

MRG88A is an 8x8 RGBHV matrix switcher following with stereo audio. It supports

audio follow and audio breakaway switching. With bandwidth up to 450MHz (-3db), it
supports cross-point switching. It shows a good application in broadcast room, television
teaching room, commanding center etc.

1.2. Package Contents

 1 x MRG88A
 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 RGBHV

Output

8RGBHV

Input
Connector

Female BNC

Output
Connector

Female BNC
Return Loss

<-30dB@5MHz

Return Loss

-30dB@5MHz

Input Level

0.5 ~ 2.0Vp-p

Output Level

0.5 ~ 2.0Vp-p

Input
Impedance

75Ω/510Ω(switchable)

Output
Impedance

75Ω/510Ω(switchable)

DC Offset

1.5V

Switching
Type

Vertical interval

Video General

Gain

0 dB

Bandwidth

450MHz (-3dB), fully
load

Video Signal

RGBHV, RGBS,

Video Type

RGBHV, RGBS,

RGBHV/Stereo Audio Matrix Switcher 8x8

PTN Electronics Limited www.PTN-electronics.com

2

RGsB, RsGsBs,
component video,
S-video, and
composite video.

RGsB, RsGsBs,
component video,
S-video, and
composite video .

Switching
Speed

200ns (Max.)

Crosstalk

<-80dB@5MHz

Audio Input

Audio Output

Input

8 stereo,
balanced/unbalanced

Output

8 stereo,
balanced/unbalanced

Input
Connector

Captive screw
connectors, 5 pole

Output
Connector

Captive screw
connectors, 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

0.03%@1KHz at
nominal level

Control Parts

Serial
Control Port

RS232, 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

30W
Temperature

-20 ~ +70℃

Humidity

10% ~ 90%

Case
Dimension

W483 x H130 x
D260mm (3U high, full
rack wide)

Product
Weight

7Kg

RGBHV/Stereo Audio Matrix Switcher 8x8

PTN Electronics Limited www.PTN-electronics.com

3

4. Operations of the Control panel and the Remote Controller

4.1. Operation of the Control Panel

① Input Channel ②Output Channel ③Function Buttons ④Power indicator

F4-1 Front Panel

Detailed Description:

Buttons

Function Description

INPUTS

Input buttons, ranging from "1" to "8".

OUTPUTS

Output buttons, ranging from "1" to "8".

AV

AV synchronal button: To transfer video and audio signal
synchronously by the switcher.
Example: To transfer both the video and the audio signals
from input channel No.3 to output channel No.4.
Operation: Press buttons in this order “AV”,“3”, “4””.

VIDEO

Video button: To transfer only video signals from input channel
to output channel
Example: To transfer video signals from input channel No.3 to
output channel No.4.
Operation: Press buttons in this order “VIDEO”, “3”, “4”.

AUDIO

Audio button: To transfer only audio signals from input channel
to output channel
Example: To transfer audio signals from input channel No.2 to
output channel No.3.
Operation: Press buttons in this order “AUDIO”, “2”, “3”

ALL

All button: To transfer an input channel to all output channels.
Example1: To transfer video and audio signals from input
channel No.7 to all output channels.
Operation: Press buttons in this order “7”, “ALL”.
Example2: To transfer all input signals to the corresponding
output channels respectively. In another word, to switch to this
status: 1->1, 2->2, 3->3, 4->4……8->8.