Comtech EF Data CDM-700 - Manual (Page 89)

CDM-700 High Speed Satellite Modem Revision 5
Front Panel Operation MN/CDM700.IOM
6–35
If Intfc1 Tx: Æ Clock is selected:
Intfc1 Tx Clock:
Normal Inverted ( E)
This feature has been added for compatibility with certain older equipment. Select Normal or
Inverted, using the
◄ ► arrow keys, to control clock inversion. Press
ENTER
.
If Intfc1 Tx: Æ Enable is selected:
Intfc1 Tx Enable:
Enable Disable ( E)
This selection activates or deactivates the transmit (Tx) side of this interface. Disabling the Tx
side deactivates it and changes the data rate to 0.
Select Enable or Disable using the
◄ ► arrow keys. Press
ENTER
.
Intfc1 HSSI: Æ Rx
Intfc1 Rx:
Data Buffer Clock Enable
Select Data, Buffer, Clock, or Enable using the ◄ ► arrow keys. Press
ENTER
.
If Intfc1 Rx: Æ Data is selected:
Intfc1 Tx Data:
Datarate Invert ( E)
Select Datarate or Invert using the
◄ ► arrow keys. Press
ENTER
.
If Intfc1 Rx Data: Æ Datarate is selected:
Intfc1 Data Rate:
Rx:032.000000 Mbps
Edit the Rx Data Rate by selecting the digit to be edited, using the
◄ ► arrow keys. The value
of the digit is then changed using the ▲ ▼ arrow keys. The range of values is from 1.0 to 70.0
Mbps. Note that the modem Symbol Rate limits of 1.0 to 64.0 Msps makes some choices of
Modulation Type, FEC Coding and Data Rate selection invalid.
Once the Rx Data Rate is edited, Press
ENTER
.