4.7.8 The VB272 dual DVB-S/S2 Demodulator Module (VB220 Option)
The VB272 DVB-S/S2 Demodulator is an optional input interface module capable of
receiving DVB-S (QPSK) and DVB-S2 (8PSK, 16APSK, 32APSK) signals. The module has
two RF inputs. The second input can be activated through a software option key.
The connectors are:
DVB-S/S2 1:
RF L-band input with DiSEqC 1.2 – 75 ohm F-connector
DVB-S/S2 2:
RF L-band input with DiSEqC 1.2 – 75 ohm F-connector
GPI:
Alarm relay output – 9 PIN D-sub male
GPI – Pinout of alarm relay output (to be implemented)
Normal operation
Alarm/Power off
Pins 6-7: Contacts closed
Pins 6-7: No connection
Pins 7-8: No connection
Pins 7-8: Contacts closed
Pin 5: Gnd
Pin 5: Gnd
Two LEDs indicate whether the demodulators lock to the incoming RF signals or not.
PROBE USERS' MANUAL VERSION 5.0
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