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CDM-625 Advanced Satellite Modem
Front Panel Operation
Image #1 Bulk:
FW/12345
The user may use the
firmware blocks that make up the bulk. Press the ENTER or CLEAR key to return to the
previous menu.
5.9.7.2
Utilities: Firmware
Current Active Image is #1
Next Reboot, will use Image:
The top line shows the current active image. On the lower line, the user may use the
keys to select the other image, then press the ENTER key. A message shows that the unit will
need to be rebooted.
5.9.8
Utilities: Emulation
The CDM-625 modem is designed to be a 'drop-in' replacement for the CDM-600 and CDM-
600L modems. To be able to do this, the CDM-625 has an emulation mode, which may be
configured via remote control, using the remote command mnemonic EMU or, via the front
panel, Utility:Em.
When the modem is emulating another, the top level menu indicates this, as shown below:
Comtech CDM-625
TPC, CnC installed
Note: While emulating another modem, the I/O responses, including EID, will be exactly as those
expected for that other modem, e.g., CDM-600.
There are some features that the CDM-625 does not support, and hence will not be possible while
in 600 or 600L emulation:
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Other parameters have become 'don't care':
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Sequential FEC coding
RS-232 synchronous data interface
External ref of 20MHz
BUC leveling
Operation below 18ksps or 18kbps
Impedance
External clock
MN-0000036 (Ref MN/CDM625.IOM)
03/23/06
1.1.5
#1
emulating a CDM-600
Ver 1.1.5
5–60
Revision 1
(v)
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