Comtech EF Data CDM-710 Installation And Operation Manual page 142

70-140 mhz/l-band broadcast satellite modem
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CDM-710/L Broadcast Satellite Modem
Front Panel Operation
(Config:) Intfc1 HSSI:  Rx  Buffer  Recenter
The value in parentheses (e.g., 046%) indicates the current buffer fill status.
To reset the buffer to the midpoint (50%), use the   arrows keys to select
ReCENTER. Press ENTER.
(Config:) Intfc1 HSSI:  Rx  Clock
Use the   arrow keys to select Source or Invert. Press ENTER.
(Config:) Intfc1 HSSI:  Rx  Clock  Source
Use this menu to determine which source clocks the output of the Rx Buffer for
delivering data to the Rx port at the user interface. Use the   arrows keys to
select Rx-Sat, Tx-Terr, or Internal. Press ENTER. Note that:
• Rx-Sat, the default, disables the Rx Buffer because the input and output
clocks are the same. Normally, the Rx Buffer is set for minimum when Rx-
Sat is selected.
• Tx-Terr uses the clock from the Tx input (TT) to clock out the Rx Buffer.
• Internal derives a clock from the internal 10 MHz reference clock.
(Config:) Intfc1 HSSI:  Rx  Clock  Invert
Use this menu to control clock inversion (to ensure compatibility with certain
older equipment). Use the   arrows keys to select Normal or Inverted. Press
ENTER.
Intfc1 Rx Buffer Fill:
(046%) ReCENTER
Intfc1 Rx Clock:
Source Invert
Intfc1 Rx Clock:
Rx-Sat Tx-Terr Internal
Intfc1 Rx Clock Invert:
Normal Inverted
7–36
MN/CDM710.IOM
Revision 12
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