Operations Manual, HPA2, Compact Outdoor SSPA 208495 REV B 121
Table 11-9: System Condition Addressing
Data
Address
# Bytes Description Limits and valid values
1 2 Tempcomp DAC value readout 0 to 1023
2 2 Present Temperature ± 125
3 2 Fault, Mute, and State Conditions
2-Byte Value
0 fault clear; 1 fault set
0 mute clear; 1 mute set
0 standby state, 1 on line state
Lower Byte
Bit 0 = Summary Fault
Bit 1 = High Temp Fault
Bit 2 = Low DC Current Fault
Bit 3 = Low DC Voltage Fault
Bit 4 = External Mute Status
Bit 5 = Internal Mute Status
Bit 6 = Forward RF Fault
Bit 7 = Reserved
High Byte
Bit 0 = Block Up Converter Fault
Bit 1 = Spare Fault
Bit 2 = Auxiliary Fault
Bit 3 = Reserved
Bit 4 = RF Switch Control 1 state
Bit 5 = RF Switch Control 2 state
Bit 6 = Control board configuration
1—Single control board
0—Master/Slave configuration
Bit 7 = Unit On Line State
4 2 Present Attenuation Level
1bit per 0.1 dB attenuation
Low Byte: 0 to 200
High Byte: always 0
5 2
Present RF Power Level
Output is dBm x 10 (i.e. 455 = 45.5 dBm)
0 to 1023
6 2 SSPA DC Current
200 Amp maximum
1 value = 0.1 Amp
7 2 Regulator DC Voltage
48 Volt maximum
1 value = 0.1 Volt
8 2 Power Supply Voltage
60 Volt maximum
1 value = 0.1 Volt
9 2 Transistor Gate Voltage
±10 volt max
Use 2s compliment integer math
1 value = 0.1 Volt
10
‡
2 SSPA DC Current (Slave Side)
240 Amp maximum
1 value = 0.1 Amp
11
‡
2 Regulator DC Voltage (Slave Side)
48 Volt maximum
1 value = 0.1 Volt
12
‡
2 Power Supply Voltage (Slave Side)
60 Volt maximum
1 value = 0.1 Volt
13
‡
2
Transistor Gate Voltage (Slave Side,
High Power stages)
±10 volt max
Use 2s compliment integer math
1 value = 0.1 Volt
14
‡
2
Transistor Gate Voltage (Slave Side,
Pre-Amp stages)
±10 volt max
Use 2s compliment integer math
1 value = 0.1 Volt
‡
Data Addresses 10 - 14 are valid only for Master/Slave control board configuration (see System Condition Data Address 3, Bit 6)
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