Operating Manual

PRELIMINARY FCC ID: BIB61201001 DESCRIPTION 2-13
PRELIMINARY MCC-6120 SDR Packet Data Radio Network
parameters into the DSP. They can also be reloaded by entering the
following command LOADCAL.
Data Memory The Data Memory is volatile 64 MByte RAM (16 Meg x 32). Date, time,
executable programs, command parameters and program dynamic data
(messages, data, position, etc) are all stored in RAM during normal
operations.
During normal operation, the MCC-6120 SDR software uses the data and configuration
parameters stored in RAM. If the data information in RAM is lost or corrupted, for whatever
reason, the configuration parameters can be retrieved from Parameter and/or Calibration
memory. This ensures uninterrupted operation.
The RAM contents will be lost under the following conditions:
• The Reboot command is issued.
• The Reset button (S1) is depressed (located inside the unit)
• The internal backup battery fails or is disconnected. (By unsoldering)
• The watchdog timer initiates a restart.
• The unit is powered off
The software will detect these events and will recopy the parameters and configuration values
from Parameter memory back into RAM when operation is resumed.
If the contents of Parameter memory become invalid the unit will revert to the factory defaults in
Program memory.
The Operator Port of the MCC-6120 SDR is programmed with the following default
configuration at the time of shipment:
Baud rate 9600
Data bits 8
Stop bit 1
Parity no
Protocol ASCII
Flow control no
This provides a known starting point when first connecting an operator terminal to the MCC-
6120 SDR. This setting should not be changed.