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F.4.6
CnC-APC Setup
Chapter 6. FRONT PANEL OPERATIONS
To set up CnC-APC, carefully follow and understand the steps as presented here.
CAUTION – This procedure should be done only when there are CLEAR SKY
conditions at both ends of the link.
1. Set up the CnC link in 'normal' mode according to the instructions earlier in this appendix,
and according to an appropriately calculated link budget.
The initial selection of CnC-APC typically requires that a person be present at both ends,
to coordinate the change of CnC from 'normal' to CnC-APC mode. Alternately, if an IP
connection is available to the distant end that does not depend on the satellite link for
primary connectivity, the setup can be performed remotely.
Once the link is established, a further re-balance, activation or suspension does not
require another person to be present, or independent remote IP access.
Once the 'normal' CnC link has been established, determine that the link is stable and
that it has an acceptable link margin at both ends.
2. Decide, arbitrarily, which is Side 'A', and which is Side 'B'.
3. From the front panel, select the CONFIG CnC Mode menu (See Chapter 6.
FRONT PANEL OPERATIONS, Sect. 6.2.1.8 CONFIG: CnC):
CnC Mode: APC,Side A,C-Band
Activate? N (Y,N) APC is not active
Appendix F
CDM-425 Advanced Satellite Modem
(Off, On, APC)
F–27
Revision 0
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MN-CDM-425
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