Comtech EF Data CDM-425, Installation And Operation Manual

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CDM-425 Advanced Satellite Modem
Revision 0
Front Panel Operation 6–33 MN-CDM-425
CONFIG: Clocks

Rx Buffer/Clock

CENTER
Selecting CENTER displays the following screen:
Press ENTER to Center the Buffer
otherwise, Press CLEAR
Press ENTER or CLEAR to return to the previous menu.
6.2.1.5.3 CONFIG: Clocks

Clk-Exten (G.703 Clock Extension)
Appendix E. CLOCK MODES
AND
DROP & INSERT (D&I)
G.703 Clock Extension:
Mode Interface (

)
Use the
◄ ►
arrow keys to select Mode or Interface . Press ENTER .
CONFIG: Clocks

Clk-Ext

Mode
G.703 Clock Extension, Mode: RxEnable
(None,TxLock,RxEnable) (

)
Use the
▲▼ arrow keys to select a parameter. Press
ENTER . Valid settings are:
Setting Function
None All G.703 Clock extension modes are disabled.
TxLock
The CDM-425 (operating in a non-G.703 mode) locks its transmit clock timing to an externally
presented G.703 reference signal.
RxEnable
The CDM-425 (operating in a non-G.703 mode) synthesizes a G.703 timing reference from the
Rx satellite signal, regardless of its actual data rate.