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Operations Manual, HPA2, Compact Outdoor SSPA 205486 REV F 93
Data
Address
# Bytes Description Limits and Byte Values
1 1 System Operation Mode
Single Amplifier = 255; Dual 1:1 = 1 (version 3.60);
1:1 Redundant = 0
2 1 System Hierarchical Address HPA 1= 0; HPA 2= 255
3 1
Unit Start Up State
(in Redundancy)
Standby Amplifier = 0
On Line Amplifier = 1
4 1 Mute State
Mute Clear (Transmit Enable) = 255
Mute Set (Transmit Disable) = 0
5 1
Attenuation Level
(dB down from maximum gain)
[1 bit for every 0.1 dB]
0 dB attenuation = 0
20 dB attenuation = 200
6 1 Module Gain Control Authority
Serial Port Gain Control = 255
External Analog Voltage Gain Control = 0
7 1 Amplifier Network Address 0 to 255
8 1 High Temperature Alarm Threshold 0 to 125 (in
o
C)
9 1 SSPA module Calibration Mode
Temperature Compensated = 255 (normal state)
Calibration Mode = 0
10 1 SSPA Spare Fault Status
Ignore Spare Fault = 255
Fault on value of window on ADC channel = 0 to 7
Fault on External Mute = 8
11 1 SSPA Spare Fault Handling
Minor Fault (no effect on Summary Fault) = 255
Major Fault (Triggers Summary Fault) = 0
Major Fault with Mute (Transmit Disabled) = 1
12 1 SSPA Auxiliary Fault Status
Ignore Auxiliary Fault = 255
Fault on Logic Low State = 1
Fault on Logic High State = 0
Startup in Low Z State = 2
Startup in High Z State = 3
(version 3.50 - See SierraCom Protocol for details)
13 1 SSPA Auxiliary Fault Handling
Minor Fault (No effect on Summary) = 255
Major Fault (Triggers Summary Fault) = 0
Major Fault with Mute (Transmit Disabled) =1
Minor Fault with Mute = 2 (version 3.50)
14 1 Block Up Converter Fault Status
Ignore BUC Fault = 255
Fault on Logic Low State = 1
Fault on Logic High State = 0
15 1 Block Up Converter Fault Handling
Minor Fault (no effect on Summary Fault) = 255
Major Fault (Triggers Summary Fault) =0
Major Fault with Mute (Transmit Disabled) = 1
16 1 Protocol Select
Standard String Protocol = 255
Terminal Mode = 0
Binary Mode (compatible with CO SSPA serial
numbers 100,001 - 199,999) = 1
SierraCom Protocol = 2 (version 3.50; compatible with
SierraCom VSAT BUC and NDSat SkyWAN modem, see
Appendix D for details)
17 1 Baud Rate Select
9600 = 255
38400 = 0
19200 = 1
4800 = 2
2400 = 3
18-19 2 Reserved Reserved for Factory use.
20 1 Standby Mode Hot standby=255; Cold standby=0 (version 3.50)
21 1 BUC Reference Autoswitch = 0; External = 1; Internal = 2 (version 3.60)
Table 10-6: System Settings Data Values
Note: Data length must be at least two bytes to form integer with the lower byte sent first. If odd number of bytes is received, the last byte
will be saved as the lower byte of the integer and upper part will be zero.