Televes DigiSlot DVB-T modulator, wall mount User Manual download pdf (Page 8)

DVB-T modulator

Introduction

Product overview

The product is presented for two types of mounting: onto the wall (Ref. 554511),

and 19 inch cabinet mounting (Ref. 554611).

The modulator converts the HD A/V baseband signals into a DVB-T multiplex of

RF within the range 47 ~ 862 MHz.

It features 2 encoders and 1 additional RF input. The input signals of the

encoders can come from satellite receivers, CCTV cameras, Blu-ray players,

antennas, ... etc. Its output is a DVB-T TV multiplex which can be received with

the corresponding DTT STB.

The device can be used for monitoring, training courses and presentations,

schools, universities, hospitals, ..., in addition to being the best choice for public

premises which o er sporting events, VIP entertainment channels,.. and other.

Blocks diagram

A/V in

Encoder

MUX

Modulator

Mix

RF in

RF out

A/V in

Encoder

Technical speciﬁ cations

Installation precautions

This section to explain the cautions the users must have to avoid any injures

when using or installing the product. For this reason, please read all details here

before installing or using the product.

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

with the power on.

After use, securely stow away all loose cables, external antenna, and others.

Power precautions

When you connect the power source, make sure it will not cause any overload.

Avoid operating on a wet  oor in the open. Make sure the extension cable is

in good condition.

Make sure the power switch is o before you start to install the device.

Grounding Requirement

All function modules’ good grounding is the basis of reliability and stability of

devices. Also, they are the most important guarantee of lightning arresting and

interference rejection. Therefore, the system must follow this rule.

Grounding conductor must be a copper conductor in order to reduce high

frequency impedance, and the grounding wire must be as thick and short as

possible.

Users should make sure the both ends of grounding wire are electric

conductor and antirust.

It is prohibited to use any other device as part of grounding electric circuit.

The area of the conduction between grounding wire and device’s frame

should be no less than 2.5mm

Operation

Button introduction

LCD display window.

Display window for setting menu

Status display when power On.

DVB-T XXX.00MHz

X.XXMbps 0.0M

Setting value up

and moving up

To move left To move right

Setting value down

and moving down

Back step

Con rm setting

Lock button

DVB-T modulator section

Standard

EN300744

FFT mode 2K, 8K

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 ≥42dB

RF frequency 47~862MHz, 1KHz step

RF output level -30~ -10dBm (81~97 dBV), 0.1dB step

Interface

Front panel

buttons, LCD display

Remote manag. Web NMS

Language

English

General

Mains

AC 100V~240V

Dimensions

360 x 280 x 50 mm (554511)

480 x 300 x 44 mm 1U rack 19” ( 554611)

Weight 2.6 kgs

Operating temp.

0~45 ºC

Con gurations

LCN con g

Yes

NIT Table con g

Yes

Settings

Network Name

Yes

Network ID Yes

Transport Stream ID (TSID) Yes

Original Network ID (ONID) Yes

Hierarchy Information Yes

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Televes DigiSlot DVB-T modulator, wall mount User Manual Page 8

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