Lemco MLF-101 Manual de usuario
© 2020 Lemco. All rights reserved. 1
Manual
v.1.1
www.lemco.gr
DTV - Headend
MLF-101
4 x DVB-S/S2/S2X to 4 x DVB-T/C
www.lemco.gr
DTV - Headend | MLF-101
Manual
© 2020 Lemco. All rights reserved. 2
Contents
Important safety precautions information p. 3
Introduction p. 5
Installation p. 9
Technical specifications p. 29
Warranty p. 33
Notes p. 38
DTV - Headend | MLF-101
Manual
© 2020 Lemco. All rights reserved. 3
1. IMPORTANT SAFETY PRECAUTIONS INFORMATION
READ THE FOLLOWING WARNINGS BEFORE YOU USE YOUR DEVICE
The following safety precautions must be observed to prevent fire or electric shock
hazard. Safety precautions include but are not restricted to the following:
Power supply / Mains cord
• Operate the unit only within the voltage range defined as appropriate by the manufacturer.
• Occasionally check the power connector and remove dirt or dust that may have accumulated.
• Use only the mains cord that comes with your unit.
• Do not operate the unit or plug in the mains cord if it is broken, split, or damaged in any way.
• Do not place the mains cord next to heating devices. Do not pull it, place heavy objects on it or damage it in
any way. Keep it out of reach of children.
• Ensure that the device is plugged in a properly grounded socket. Insufficient grounding may cause electrocution.
• Always carefully disconnect all plugs by pulling on the plug and not on the cord. Make sure the unit’s power
switch is turned off before removing the cord from an outlet.
• Disconnect the mains cord when the unit is not in use for long periods of time or during storms.
• Do not connect the unit to a multiple-outlet to avoid plug overheating.
Disassembling
• This unit contains parts that cannot be repaired by the user. Do not disassemble or try to repair it as this will
void all warranties. Please contact the manufacturer if you experience any problems with your unit.
Water/humidity
• Do not keep the unit in a humid place or near water.
• Do not plug/unplug the unit with wet hands.
Fire
• Never place a candle or another source of fire on the unit as it may fall and start a fire.if the mains cord or
the power connector is damaged or destroyed, or if there is a sudden loss of picture during operation, or if
you notice a strange smell or there is smoke, immediately switch the unit off, disconnect the mains cord and
contact the manufacturer’s technical support department.
Installation / Storage
• This unit contains high precision pieces of electronics. To ensure optimal performance and avoid damage, do
not store it in any location where it may collect dirt, duct, lint, etc. Do not expose it to extreme heat or cold
(e.g. in direct sunlight, near a heater or in the car during the day). Place the unit in a secure place to avoid falls.
• Before moving the unit, always unplug all cords first.
• When installing the unit, make sure that an outlet is within easy reach. In case of malfunction, switch the unit
off and unplug the power cord. When the unit is not in use for a long period of time, make sure that the mains
cord is disconnected.
WARNING
DTV - Headend | MLF-101
Manual
© 2020 Lemco. All rights reserved. 4
Connectivity
• Before connecting the unit to other electronic devices, always switch off and unplug all devices.
Maintenance
• Do not spill liquids on the unit. Do not use any diluents or volatile liquid to clean the unit. Instead, use a soft
slightly damp cloth and allow the unit to dry completely before using again.
Handling
• Do not poke your finger into the openings on your unit.
• Never put paper, metal parts or other objects into the openings of your unit. If you suspect that there are for-
eign parts in your unit, switch it off and unplug the mains cord. Contact the manufacturer’s technical support
department.
• Do not step on or place heavy objects on top of the unit. To avoid hardware damage, handle all buttons, con-
nectors and switches gently.
DTV - Headend | MLF-101
Manual
© 2020 Lemco. All rights reserved. 5
2. INTRODUCTION
Congratulations on purchasing the MLF-101. You now own a high quality, professional DTV headend. To get the
most out of your purchase, please take the time to carefully read through this manual.
3. INSTRUCTIONS
3.1 - DESCRIPTION
The MLF-101 is a very powerful, all-in-one device, able to receive up to four (4) independent satellite (DVB-S/S2/S2X)
signals supporting multistream reception and convert them in 4 x DVB-T/C RF output channels. and convert them
in four (4) x DVB-T/C RF output channels. It supports “pool” technology, meaning that the user is able to select any
program from any of the 4 inputs and assign it to any of the four (4) RF providing great flexibility.
The embedded web server of the MLF-101 provides a very friendly user interface as well as the ability of remote or
local control of the device via Ethernet.
Its small size and its powerful features renders the MLF-101 the ideal solution in cases we want to distribute FTA
(Free-To-Air) TV programs coming from (DVB-S/S2/S2X) sources to a CATV installation using the DVB-T/C.
3.2 - FEATURES
• 4 x independent multi-standard inputs DVB-S/S2/S2X
• Multi-stream support
• 4 x RF output DVB-T/C (software selectable)
• “Pool” technology
• MER value > 42dB
• Dual power supplies offering redundancy mode
• PID Filtering
• Custom NIT/SDT
• Local or remote control via webserver
• Very friendly user interface
• Wall or rack mount options
• Ultra-compact size
• 5year warranty
3.2.1 - Auto-reset functions and watchdog
During the normal operation of the MLF-101, the main CPU monitors all the internal parts in order to ensure that the
device works normally. In case of an internal error or module failure, the MLF-101 immediately initiates the recovery
procedure by resetting the appropriate module or the device. Finally, watchdog timers ensure that the device will
be reset in case of CPU failure.
DTV - Headend | MLF-101
Manual
© 2020 Lemco. All rights reserved. 6
3.2.5 – Dual power supplies
The MLF-101 is powered from one or two external power supplies of +12VDC/2.5A. In case we connect two external
power supplies then they will work in redundancy mode. Thus, in case of failure of one of the two external power
supplies the device will continue working without stopping.
3.2.6 – Multi-stream SAT reception
The MLF-101 is able to receive and analyze any kind of multi-stream satellite signal.
3.2.2 - “Pool” technology
The MLF-101 supports “pool” technology, meaning that the user is able to select any TV or Radio program from any
input and assign it to any of the 4 outputs providing great flexibility.
3.2.3 - DVB-T or DVB-C compliant
The user is able to software select the modulation standard, between DVB-T and DVB-C, of the MLF-101 without
the need of any firmware upgrade.
3.2.4 – Custom NIT/SDT
Using the MLF-101 the user is able to create custom NIT and SDT tables according to his needs.
DTV - Headend | MLF-101
Manual
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3.3 - BLOCK DIAGRAM
4 x DVB-T/C
DVB-S/S2/S2X
DVB-S/S2/S2X
DVB-S/S2/S2X
DVB-S/S2/S2X MLF-101
DTV - Headend | MLF-101
Manual
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3.4 - Product drawing views
1. Reset button
2. Status LED
3. RF inputs
4. LAN control
5. RF output
6. Dual power supply inputs
7. Fan cooler
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Manual
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4. INSTALLATION
4.1 - General
4.2.1 - “General” page
Status - Inputs 1…4
The MLF-101 has a very friendly interface for programming and monitoring purposes. The user is able to gain
access to the embedded webserver, by opening an Internet browser (e.g. Internet Explorer, Firefox or Chrome) and
type the following static IP: 192.168.1.205.
The default username and password are the following:
Username: admin
Password: 12345
Every time that the user is connected to the device, the “General” page (Figure No 1) is loaded providing a current
general status information of the device.
In these fields, the user is able to see the status of each tuner e.g. If it is locked / unlocked or disabled, the working
mode eg. DVB-S/S2/S2X etc…
4.2 - Embedded Webserver
Status
• Figure No 1
DTV - Headend | MLF-101
Manual
© 2020 Lemco. All rights reserved. 10
In these fields, the user is able to see the status of all the RF outputs of the device such as modulator’s state, RF
output frequencies and modulation settings.
Outputs – Modulator 1…4
This section provides general information of the device, like internal status of all device’s modules like Multiplexer
and modulator, CPU temperature, system uptime and CI interface status as well as general status codes of the
device for troubleshooting purposes.
System
4.2.2 - “Program list” page
At “Program list” page (Figure No 2) the MLF-101 provides information of all programs that are currently being
distributed via its four RF and IP outputs.
At the same time, the device offers the whole channel list to be exported under the follow file types:
• Excel – All the program list is exported in .xlsx format
• CSV – All the program list is exported in .csv format
• M3U – All the program list is exported in .m3u
• Figure No 2
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