Comtech EF Data CDM-625A, Installation And Operation Manual

Page: 165 / 756

CDM-625A Advanced Satellite Modem MN-CDM625A
Front Panel Operation Revision 4
6–41
6.2.1.8 CONFIG: CnC
CnC operation requires that you purchase one of several available FAST options to
provide capability to a maximum of 25Mbps.
1) Appendix F. DoubleTalk Carrier-in-Carrier OPTION
2) For more information about purchasing FAST options:
•
Sect. 6.2.8 SELECT: FAST menus
•
Sect. 1.3.10 Fully Accessible System Topology (FAST)
•
Chapter 5. FAST ACTIVATION PROCEDURE
Carrier in Carrier: Mode Freq-Offset
Search-Delay PMSI-control (

)
Use the ◄ ► arrow keys to select a parameter. Press ENTER.
6.2.1.8.1 CONFIG: CnC

Mode
See Sect. F.6 Carrier-in-Carrier Automatic Power Control (CnC-APC) for complete
details about, and setup of, the CnC-APC feature.
CnC Mode: APC,Side-A,C-band (Off, On, APC)
Activate? N(Y,N) APC is not active (

)
On the top line – Use the ▲▼ arrow keys to select the appropriate CnC operating mode. Valid
selections are:
• Off • On (normal) • APC,Side A,C-band • APC,Side A,X-band
• APC,Side A,Ku-band • APC,Side A,Ka-band • APC,Side B,C-band •
APC,Side B,X-band
• APC,Side B,Ku-band • APC,Side B,Ka-band
6.2.1.8.2 CONFIG: CnC

CONFIG: CnC

Freq-Offset
CnC Frequency Offset: (range 1-032)
+/-015 kHz (

)
Use this menu to set the maximum expected frequency offset between the outbound interferer
and the desired inbound. It normally corresponds to the demod acquisition range.
Use the
▲▼
arrow keys to edit the CnC Frequency Offset value. Press ENTER . The upper limit of
Frequency Offset is determined by the Rx symbol rate: