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Quantum and Evolution Series Installation and Operating Handbook
1:Service
4:Demodulate 5:FEC
7:Carrier
This menu contains the following options:
•
Service. This option allows the selection of the framing mode for the modem.
•
Baseband. This option leads to a submenu that allows terrestrial framing, timeslots
and overhead to be configured.
•
Clocks. This allows the receive path clock to be set up.
•
Demodulate. This leads to a submenu that allows the demodulation scheme to be
configured.
•
FEC. This leads to a submenu that contains options for selecting the inner and outer
forward error correction (FEC) schemes.
•
Descrambler. This leads to a submenu that allows descrambling to be controlled.
•
Carrier. This leads to a submenu that allows the frequency and spectrum inversion to
be controlled.
•
Rx=Tx. This option allows the receive path to be automatically configured to be the
same as the transmit path, thereby simplifying set up. There are a number of
exceptions including carrier frequency, spectral inversion, timeslots and clocks.
•
Interface. This submenu is used to configure the Rx path of the Quad E1 interface
card.
7.3.3.2.1 Edit-Rx-Service Screen
See the description of the transmit path equivalent.
Edit-Rx-Service- IDR Frame Format Screen
See the description of the transmit path equivalent.
7.3.3.2.2 Edit-Rx-Baseband Menu
See the description of the transmit path equivalent.
Edit-Rx-Baseband Mode Screen
See the description of the transmit path equivalent.
2:Baseband 3:Clocks
6:Descrambler
8:Rx=Tx
9:Interface
7-84
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