Service Manual CHAPTER 6 - THE SX-48 CONFIGURATOR July 24, 2008
SX-48 Page 30
The IP address and MAC address are saved along with the common Sync mode.
You can also set the sync mode to "No Change" which means that current setting will be retained.
This enables the SX-48-s to have different sync modes set up from the front panel.
When FMC boots it checks for the registry entry "Enable Yes" and if found will ignore the FMC.ini SX48
line.
FMC then polls the local network for SX-48s.
If it finds an SX-48 with a matching MAC address that has a different IP address, it will update the
registry with the new IP number. The updated IP addresses are now used to connect to the SX-48s.
Using AES2
The AES2 card provides automatic sample rate conversion of digital input signals if their sample
frequency is not locked to that of the SX-48 system.
To use this facility, the I-O config.txt file must be edited to include some new information. Note:
this file is found in the following folder: C:\Program Files\Fairlight\FMC\Data\
For each AES2 card installed in the SX-48, add a line in the following format:
SX48_SRC,unit_number,card_number,enable
unit_number – SX-48 unit number starting from 1 (max 8)
card_number – Card slot position within the SX-48, range 1-6
enable – 0 = SRC off, 1 = Input Sample Rate Conversion ON for all 8 inputs on this card
Example: To turn on SRC ON for the inputs of SX48 number 1 with an AES2 at card position 3 add the
following line: SX48_SRC,1,3,1
If this line is missing from the config file, or commented out, the SRC mode will remain as it was last
set up.
After editing the text file and saving it, quit the DREAM II application, power cycle the SX-48, and
restart DREAM II.
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