Operating instructions

User Interfaces DMD20/DMD20 LBST Universal Satellite Modem
4-14 TM103 – Rev. 2.8
AUPC MODE {DISABLE,NEAR SIDE, EFDATA}
Allows the user to enable or disable the AUPC Function
of the remote modem. The remote AUPC Function is
the response of the local modem to commands for an
increase or decrease of the Transmit Power in 0.5 dB
steps and the command to change to the setting
indicated in the 'REMOTE CL ACTION' Menu of the
remote modem upon receiver loss of lock.
LOOPBACK {DISABLE, ENABLE}
Allows the user to enable or disable the Baseband
Loopback Test Mode of the remote modem.
TX 2047 TEST {DISABLE, ENABLE}
Allows the user to enable or disable the Transmit 2047
Pattern Test Mode of the remote modem.
RX 2047 BER: Reports the BER measurement of the receiver 2047
Pattern Test Mode of the remote modem. BER is
reported from the 1x10
-5
to 1x10
-7
in tenth decade steps.
if the pattern does not synchronize or is out of range,
‘NO DATA’ will be displayed.
When modems are configured for Radyne AUPC, the remote Eb/No will
be displayed in the Monitor Menus.
4.3.3 Demodulator Menu Options and Parameters
NETWORK SPEC {IDR, IBS, DROP & INSERT, CLOSED NET, DVB SAT}
The Network Spec Command sets a number of
parameters within the modem to meet a specification.
The purpose is to eliminate keystrokes and potential
compatibility problems.
Data rates not covered by a given mode will not be
allowed. If the mode of operation is selected after the
data rate has been entered, then the data rate must be
compatible with the desired mode of operation or the
Network Spec will not be allowed. The following
parameters cannot be changed while the unit is in the
given mode of operation:
IDR:
(IESS-308)
For Data rates 1.544, 2.048, 6.312, 8.448 Mbps
Framing Type: 96 Kbps (IDR)
Descrambler type: V.35
Spectrum Mask: Intelsat