Satellite Terminal System
Revision 2
Summary of Specifications
MN/KST2000L.IOM
2.1.1
Solid-State Power Amplifier (SSPA)
2.1.1.1
SSPA Monitor and Control Interface
The M&C function for all SSPAs with output powers of
≤
4W should conform to
requirements of Table 2-3.
Table 2-3. SSPA M&C Specifications
SSPA M&C Specification
Signaling Type
EIA-485 (2-wire, half-duplex)
Baud Rate
83333 bps
Data Structure
11 Data Bits
1 Start Bit
1 Stop Bit
8 Data Bits
9 Data Bits
= 1 when previous 8 bits represents a slave address; = 0 otherwise
Type
Pin Function
M&C Communication A
EIA-485 + RX/TX
B
EIA-485 – RX/TX
DC Power
C
+10.5 VDC
D
+10.5
VDC
E
+10.5
VDC
F
+10.5
VDC
G
GND
H
GND
I
GND
J
GND
K
GND
Note: Connector type is PT00E-12-10S.
2–3
