Comtech EF Data KST-2000L - Manual (Page 26)

Satellite Terminal System Revision 2
Summary of Specifications MN/KST2000L.IOM
2.1.3 Internal Data Interface
The individual RF uplink and downlink subassemblies, along with the separate SSPA,
contains a separate microprocessor that will individually monitor and control each
subassembly and communicate via a high-speed serial data bus with the central M&C
subassembly. The communications provides control parameters, status monitoring, and
fault reporting. Specification for the internal data bus are listed in Table 2-6.
Table 2-6. Internal Data Interface Specifications
Internal Data Interface Specification
Signaling Type Balanced Multipoint EIA-485, 2-wire
Baud Rate 83333 bps
Data Structure:
11 Data Bits:
1 Start Bit
1 Stop Bit
8 Data Bits
or 9 Data Bits
= 1 when previous 8 bits represents a slave address; = 0
otherwise
2.2 Size and Weight Specifications
Table 2-7. Size and Weight Specifications
Unit Size Weight
Converter 21.75L x 8.25W x 8.0H inches
(54.48L x 20.95W x 20.3H cm) 30 lbs (13.6 kg)
2W SSPA 12.95L x 6.0W x 3.9H inches
(32.89L x 15.24W x 9.9H cm) 7 lbs (3.17 kg)
4W SSPA 12.95L x 6.0W x 3.9H inches
(32.89L x 15.24W x 9.9H cm) 7 lbs (3.17 kg)
2–6