Comtech EF Data CDM-700 - Manual (Page 83)

CDM-700 High Speed Satellite Modem Revision 5
Front Panel Operation MN/CDM700.IOM
6–29
If Intfc1 Port1 Rx Buffer: Æ ReCenter is selected:
Intfc1 Port1 Rx Buffer:
(65%) Re-Center (E)
The percentage (65%) indicates the current buffer fill status. Select Re-Center, using the
◄ ►
arrow keys, to reset the buffer to the midpoint (50%). Press
ENTER
.
If Intfc1 Port1 Rx Buffer: Æ Clk is selected:
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 ◄ ► arrow keys. Press
ENTER
. The selections
are as follows:
Selection Description
Rx-Sat (default)
Effectively 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 to clock out the Rx Buffer.
Ext-Clk
Derives a clock from a signal input to the Ext-Clk connector on the
E3/T3/STS-1 Interface Card.
If Intfc1 Port1 Rx: Æ Ena/Dis is selected:
Intfc1 Port1 Rx Status
Enable Disable (E)
This selection activates or deactivates the receive side of Port1. Disabling the Rx port deactivates
the port and changes the data rate to 0.
Select Enable or Disable using the ◄ ► arrow keys. Press
ENTER
.