Comtech EF Data SDM-2020 - Manual (Page 92)

SDM-2020 Satellite Modulator Revision 7
Front Panel Operation MN/SDM2020M.IOM
5-50
Utility System
Time and Date 12:00:00AM, 7/04/76 Remote Type RS485 (4-Wire)
Remote Baud Rate 9600 bit/s Year Display 2-Digit
Remote Address 1 Display Contrast 64
5.8 R
EVISION
E
MULATION
O
PERATION
Use the revision emulation feature in the Utlity Modem Type menu to program an emulation
mode from Version 1.1.1 through the current version.
Table 5-2. SDM-2020 Modulator Revision Emulation
Software # Firmware # Firmware # Description of Change
1.1.1 FW/5613-1- Original Release
1.1.2 FW5613-1A Added data to RS422 interface mode selection
menu.
2.1.1 FW/5613-1B Added LVDS interface data to Utility menu.
2.1.2 FW/5613-1C User interface changes.
3.1.1 FW/5613-1D User interface changes
4.1.1 FW/5613-1E Added ASI/RS422 interface data to Utility menu.
4.1.2 FW/5613-1F Added ASI interface changes.
4.1.3 FW/5613-1G Incorporated RS FIFO changes
4.1.4 FW/5613-1H Added alarm relay.
4.1.5 FW/5613-1J Correct spur problems.
5.1.1 FW/5613-1K Added ECL/HSSI interface data to Utitlity menu.
5.2.1 FW/5613-1L Added data clock spectrum lock detect fault.
5.2.2 FW/5613-1M Added OEM display for “ET_” command.
5.2.3 FW/5613-1N Added DCE signal on ECL interface.
5.3.1 FW/5613-1P Added G.703 interface data to Utility menu.
5.3.2 FW/5612-1R Added SMPTE 310M interface data to Utility
menu.
6.1.1 FW/5613-1T User interface changes.
6.1.2 FW/5613-1U FW/5613-2U Introduced FW/5613-2.
7.1.1 FW/5613-1V FW/5613-2V Added 16QAM rate as a FAST option.
7.1.2 FW/5613-1W FW/5613-2W User interface changes.
8.1.1 FW/5613-1Y FW/5613-2Y User interface changes. Added data rates for
G.703 T1 and E1.