Images are for illustration only and may differ from components supplied
Link Research Ltd Watford UK
www.linkres.co.uk
CL140023 Issue 03
Quick Start Guide L2150 S (44) 1923 474099
Page 4 of 4
8. To use as a two or three input Triax driver (at Triax remote station)
The system will look something like the diagram below:
Connect:
•
As shown in the diagram.
Menu set ups:
L2104
•
In
Unit
menu
Mode
set to
Remux
•
In
Unit
menu set
LNB
Power
to
On
•
In
OFDM1
&
OFDM2
set the input frequency for PGM1
•
In
OFDM3
&
OFDM4
set the input frequency for PGM3
L2150
•
In
Unit
menu
Format
select
DVB-T
.
•
In
Modulator
menu go to
Mod Mode
and select
64-QAM.
•
In
Modulator
menu go to
Guard Int
and select
1/32.
•
In
Modulator
menu go to
FEC
and select
¾, 5/6
or
7/8.
•
In
Modulator
menu go to
Polarity
and select
Norm.
•
If in DVB-T mode in
Modulator
menu go to
Width
and select
8MHz.
•
If in DVB-S mode in
Modulator
menu go to
Sym
and set the symbol rate.
•
In
Modulator
menu go to
Level
and adjust output power.
Note the level is adjustable in
1dBm steps from -6dBm to -12dBm.
Use lower power for shorter cable, higher power for
longer or poor quality cable. Max Triax cable length 1½km.
•
In
Modulator
menu go to
Freq
and set the output frequency.
Note the frequency range is
adjustable between 65MHz and 75MHz.
•
In
Modulator
menu go to
Output
and set to
On.
Transmitters
•
Using
Link Control, Auto set Service Name
set each transmitter’s service name and PID
numbering so there is no clash between the services.
•
Using
Link Control, Modulator
set the frequencies for CAM 1, CAM 2 and CAM 3.
•
Using
Link Control, Modulator
set
OFDM mode
to
QPSK.
L2102
•
In
Unit
menu set
LNB Power
to
Off
.
•
In
Unit
menu set
Mode
to
Single
.
•
In
Unit
menu set
Dconv Type
to
None
.
•
In
OFDM1
menu set the input frequency to the same as the L2150 output.
•
In
Decoder
menu set
Service Name
to that of CAM 1.
L2120
•
In
Decoder
menu set
Service Name
to that of CAM 2 (first decoder) and CAM 3 (second
decoder).
