Televes HDTV TRANSMODULATOR - Dual 8PSK to QAM User Manual page 9

4.2 Satellite input options
Table 2 . Satellite input options
PORT 1 PORT 2
Option
no.
Port function
1
IN OUT
2
IN IN
3
DISABLED IN
TUNER A TUNER B
Signal from
PORT 1
IN
PORT 1 PORT 1
OUT
PORT 2
PORT 1
IN
PORT 1 PORT 2
IN
PORT 2
PORT 1
PORT 2 PORT 2
IN
PORT 2
Simplified diagram
TUNER
A
SWITCHING
loop
MATIRX
TUNER
B
TUNER
A
SWITCHING
MATRIX
TUNER
B
TUNER
A
SWITCHING
MATIRX
TUNER
B
Comments
Normal input mode.
The input signal loop-through allows to daisy-chain
the whole subrack avoiding the use of an external
splitter.
In this configuration the input signal connected to
PORT1 feeds both tuners.
Independent inputs.
PORT 1 is disabled.
In this configuration the input signal connected to
PORT2 feeds both tuners.
9
EN