ClearView KR423I User manual

KR423I
Encoder Modulator User Manual

About This Manual
Intended Audience
This user manual has been written to help people who have to use, to integrate and to
install the product. Some chapters require some prerequisite knowledge in electronics and
especially in broadcast technologies and standards.
Disclaimer
No part of this document may be reproduced in any form without the written permission of
the copyright owner.
The contents of this document are subject to revision without notice due to continued
progress in methodology, design and manufacturing. CLEARVIEW shall have no liability
for any error or damage of any kind resulting from the use of this document.
Copy Warning
This document includes some confidential information. Its usage is limited to the owners
of the product that it is relevant to. It cannot be copied, modified, or translated in another
language without prior written authorization from CLEARVIEW.

KR423I Encoder Modulator User Manual
Directory
CHAPTER 1 INTRODUCTION ...................................................................................................................1
1.1 PRODUCT OVERVIEW............................................................................................................................... 1
1.2 KEY FEATURES ........................................................................................................................................ 1
1.3 SPECIFICATIONS....................................................................................................................................... 2
1.4 PRINCIPLE CHART.................................................................................................................................... 2
CHAPTER 2 INSTALLATION GUIDE...........................................................................................................6
2.1 GENERAL PRECAUTIONS.......................................................................................................................... 6
2.2 POWER PRECAUTIONS.............................................................................................................................. 6
2.3 DEVICE’S INSTALLATION FLOW CHART ILLUSTRATED AS FOLLOWING..................................................... 6
2.4 ENVIRONMENT REQUIREMENT ................................................................................................................ 6
2.5 GROUNDING REQUIREMENT .................................................................................................................... 7
CHAPTER 3 WEB NMS OPERATION .........................................................................................................8
4.1 ENCODER LOGIN...................................................................................................................................... 8
4.2 ENCODER OPERATION.............................................................................................................................. 9
CHAPTER 4 TROUBLESHOOTING...........................................................................................................24
CHAPTER 5 PACKING LIST .....................................................................................................................25


ClearView Corp. Ltd. Page 1 / 29
KR423I Encoder Modualtor User Manual
Chapter 1 Introduction
1.1 Product Overview
KR423I is a professional high integration device which includes encoding,
multiplexing, scrambling and DVB-C/T modulation. It supports 12 HDMI (8 HDMI
optional) input, one DVB-C tuner input and 128 IP input with Data1(GE) and
Data2(FE) port. It also support DVB-C/T RF out with 4 adjacent carries
(50MHz~960MHz), and support Data1(GE) output port to support 4 MPTS out. This
full function device makes it ideal for small CATV head end system, and it’s a smart
choice for hotel TV system, entertainment system in sports bar, hospital, apartment…
1.2 Key Features
•12 HDMI input, 1DVB-C tuner input
•128 IP input over UDP and RTP protocol
•MPEG-4 AVC/H.264 Video encoding
•MPEG1 Layer II Audio encoding and support audio gain adjustment
•4 groups multiplexing, 4 groups scrambling and 4 DVB-C RF carriers out
•4 groups multiplexing and 4 DVB-T RF carriers out
•Support IP(MPTS only, DATA1 port only) output over UDP and RTP
•Support QR code, LOGO, OSD insertion
•Support “Null PKT Filter” function
•Excellent RF output performance index, MER≥40dB
•Support PID remapping
•Support accurate PCR adjusting
•Support PSI/SI editing and inserting
•Control via web management, and easy updates via web
•Lowest cost per channel, breakthrough price

Page 2 / 29 ClearView Corp. Ltd.
KR423I Encoder Modulator User Manual
1.3 Specifications
Input
12 HDMI inputs(8 HDMI optional)
1 DVB-C Tuner, F type interface
DATA1 and DATA2,RJ45
Video
Resolution
In-put
1920×1080_60P, 1920×1080_60i,
1920×1080_50P, 1920×1080_50i,
1280×720_60P, 1280×720_50P,
720×576_50i,720×480_60i,
Out-put
1920×1080_30P, 1920×1080_25P,
1280×720_30P, 1280×720_25P,
720×576_25P,720×480_30P,
Encoding
MPEG-4 AVC/H.264
Bit-rate
1Mbps~13Mbps each channel
Rate Control
CBR/VBR
GOP Structure
IP…P (P Frame adjustment, without B Frame )
Audio
Encoding
MPEG-1 Layer 2
Sampling rate
48KHz
Resolution
24-bit
Bit-rate
64kbps,128Kbps,192kbps,224kbps,256kbps,320kbps,384
kbps
Multiplexing
Maximum PID
Remapping
180 input per channel
Function
PID remapping ( automatically or manually)
Accurate PCR adjusting
Generate PSI/ SI table automatically
Scrambling
Maximum
simulcrypt CA
4
Standard
EN300 429/ITU-T J.83A/B
Connection
Local/remote connection
Modulation
DVB-C
QAM Channel: 4
Standard: EN300 429/ITU-T J.83A/B
MER: ≥40db
RF frequency: 50~960MHz, 1KHz step
RF output level: -26~-1dBm (81~106 dbµV), 0.1dBm
Symbol Rate: 5.0Msps~7.0Msps, 1ksps stepping
Constellation: 16/32/64/128/256QAM
J.83A
J.83B
Constellation
16/32/64/128/256QAM
64/256 QAM
Bandwidth
8M
6M
DVB-T
Standard
EN300744
FFT mode
2K,

ClearView Corp. Ltd. Page 3 / 29
KR423I Encoder Modualtor User Manual
Bandwidth
6M, 7M, 8M
Constellation
QPSK, 16QAM, 64QAM
Guard Interval
1/4, 1/8, 1/16, 1/32
FEC
1/2, 2/3, 3/4, 5/6, 7/8
MER
≥42 dB
RF frequency
50~960MHz, 1KHz step
RF out
4*RF COFDM DVB-T out (4 carriers
combined output)
RF output
level
-28~ -3 dBm (77~97 dbµV), 0.1db step
Stream
output
RF output (F type interface)
4 IP output over UDP/RTP, 1*1000M Base-T Ethernet interface(Data1
only)
System
function
Network management(WEB)
Chinese and English language
Ethernet software upgrade
Miscellaneo
us
Dimension(W×L×H)
482mm×410mm×44mm
Approx weight
8kg
Environment
0~45℃(work);-20~80℃(Storage)
Power requirements
AC 110V± 10%, 50/60Hz, AC 220
±10%,50/60Hz
Power consumption
70W
1.4 Principle Chart
DVB-C RF out

Page 4 / 29 ClearView Corp. Ltd.
KR423I Encoder Modulator User Manual
DVB-T RF out
1.5 Appearance and Description
Front and Rear Panel Illustration
1
RF test and RF out port
2
Port Power supply and Grounding Pole
3
12HDMI input
4
Reset Key/Data Port Indicator
5
Indicator
6
ASI output port(optional)

ClearView Corp. Ltd. Page 5 / 29
KR423I Encoder Modualtor User Manual
7
DATA Port (for IP stream input/output)
8
NMS/CAS
9
RF in and Loop out

Page 6 / 29 ClearView Corp. Ltd.
KR423I Encoder Modulator User Manual
Chapter 2 Installation Guide
This section is to explain the cautions the users must know in some case that possible
injure may bring to users when it’s used or installed. For this reason, please read all
details here and make in mind before installing or using the product.
2.1 General Precautions
✓Must be operated and maintained free of dust or dirty.
✓The cover should be securely fastened, do not open the cover of the products when the
power is on.
✓After use, securely stow away all loose cables, external antenna, and others.
2.2 Power precautions
✓When you connect the power source, make sure if it may cause overload.
✓Avoid operating on a wet floor in the open. Make sure the extension cable is in good
condition
✓Make sure the power switch is off before you start to install the device
2.3 Device’s Installation Flow Chart Illustrated as following
Connecting
Grouding
Wire and
Power
Cord
Acquisition
Check Installing
Device Setting
Parameter Running
Device
Connecting
Signal
cable
2.4 Environment Requirement
Item
Requirement
Machine Hall
Space
When user installs machine frame array in one machine hall,
the distance between 2 rows of machine frames should be
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