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CDM-710G High-Speed Satellite Modem
Front Panel Operation
If Intfc1 Port1 Rx Buffer:
Intfc1 Port1 Rx Clk:
Rx-Sat
Tx-Terr Ext-Clk
This selection determines which source clocks the output of the Rx Buffer for delivering data to
the Rx port at the user interface. Select Rx-Sat, Tx-Terr or Ext-Clk using the
then press
ENTER
Note the following:
Effectively disables the Rx Buffer because the input and output clocks are the same.
Rx-Sat
(default)
Normally, the Rx Buffer is set for minimum when Rx-Sat is selected.
Uses the clock from the Tx input to clock out the Rx Buffer.
Tx-Terr
Derives a clock from a signal input to the Ext-Clk connector on the E3/T3/STS-1 Interface
Ext-Clk
Card.
If Intfc1 Port1 Rx:
Intfc1 Port1 Rx Status
Enable Disable
Using the
to de-activate the receive side of Port1 and change the Data Rate to 0. Press
(CONFIG:) Intfc1 E3/T3/STS1
Intfc1 Ext-Clk Freq:
1.000 Mbps
Set the input frequency for the Ext-Clk connector on the E3/T3/STS-1 Interface Card by using the
arrow keys, then press
•
The Ext-Clk Frequency source selections (in MHz) are: 0 (None), 1, 2, 5, 10, 2.048,
34.368, 44.736, and 51.84.
•
The input level ranges from 0.5 to 5.0 volts peak-to-peak.
Clk is selected:
.
Ena/Dis is selected:
(
E)
arrow keys, select Enable to activate the receive side of Port1, or select Disable
(
E)
. Note the following:
ENTER
Ext-Clk
6–26
Revision 1
MN-CDM710G
arrow keys,
when done.
ENTER
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