CDM-570A/570AL Satellite Modem with Optional Packet Processor
Revision 5
DoubleTalk Carrier-in-Carrier Option G–28 MN-CDM570A
4. From the CDM-570A/AL front panel, select the CONFIG: CnC Mode submenu. The
appearance of the submenu differs as follows:
CDM-570AL (L-Band): CDM-570A (70/140 MHz):
Action (◄ ►,ENTER)
For either unit, the available CnC selections are:
• Off • APC,Side-A,C-Band • APC,Side-B,C-Band
• On (normal) • APC,Side-A,X-Band • APC,Side-B,X-Band
• APC,Side-A,Ku-Band • APC,Side-B,Ku-Band
• APC,Side-A,Ka-Band • APC,Side-B,Ka-Band
If it is not known which satellite band is in use, do not attempt to engage
CnC-APC.
For the CDM-570AL only: First, use the ◄ ► arrow keys to select CnC Mode as APC.
Do not
select Action at this time. Press ENTER when done. The nested APC screen
appears:
APC: SideA C,X,Ku,Ka-band
SideB C,X,Ku,Ka-band ◄ ►
On the top line: Use the
◄ ► arrow keys to select the operating frequency for Side A: C,
X, Ku, or Ka-band.
On the bottom line: Use the
◄ ► arrow keys to select the operating frequency for Side
B: C, X, Ku, or Ka-band.
Press ENTER when done.
For the CDM-570A only: On the top line, use the ▲▼arrow keys to select the specific
CnC-APC mode – the screen appearance updates accordingly:
Mode: APC,Side-A, C-band
Act?N APC is not active
Press ENTER after selecting the Side A frequency, and then repeat the process to select
the Side B frequency. Do not
select Act? (Activate) as Y (Yes) at this time. Note the
following:
• If Side A is selected at both sides, or Side B is selected at both sides, both modems
will display a Frame Sync fault (under Rx faults). No further action is possible until
this error has been corrected.
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