6.2.4.2 BUC LO Frequency
Range: -99.999GHz to 99.999GHz; step size: 0.0000001GHz
Description: This is the local oscillator frequency of the BUC.
Table 6-29 BUC LO Frequency
6.2.4.3 BUC Attenuation
Range: 0dB to -15.0dB; step size: 1dB
Description: This varies the front-end attenuation applied by the the BUC. This is used
when there is a low level of signal loss between the modem and BUC in
order to prevent the modem output from saturating the BUC.
Table 6-30 BUC Attenuation
6.2.4.4 DC to BUC
This is an On/Off control used to enable and disable the DC power supply from the
modem to the BUC.
6.2.4.5 10MHz to BUC
This is an On/Off control used to enable and disable the 10MHz reference from the
modem to the BUC.
6.2.4.6 Mute BUC Services in Standby
This is an On/Off control used to enable and disable the transfer of BUC DC and 10MHz
services from a failed modem to a backup modem in a 1:1 or 1:N redundancy system.
Setting the checkbox causes the services to switch over from the online modem to the
backup modem on a failure. Note that FSK communications will always be switched over.
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