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34 205486 REV F Operations Manual, HPA2, Compact Outdoor SSPA
3.9.2.1 Power Up Settings
The Compact Outdoor amplifier will power up with the “last-state” settings before the unit was
powered down. Whatever attenuation setting or mute state the amplifier was in when
powered down will be the restored settings when the amplifier is powered back on.
Operation Mode: Select between stand alone (single unit) or redundancy mode
of operation.
Hierarchical Address: Identifies each amplifier in a redundant system as HPA
1 or HPA 2.
Redundant Startup State: Selects whether the unit should start up as the on
-line amplifier or the standby amplifier.
Mute State: Determines if the unit should start up muted (transmit disabled) or
mute clear (transmit enabled).
Gain Control: Select between serial communication control of the unit’s gain or
analog voltage gain control via J4.
Protocol Select: Selects between the standard string protocol of Section 9 or
older generation binary based protocol.
Baud Rate: Sets the baud rate of the unit. The supported baud rates include:
2400, 4800, 9600, 19200, and 38400 baud. The factory default baud rate is
9600.
Standby Mode: Selects between Hot and Cold standby mode for units in
redundant systems.
BUC Reference: Selects between an Internal or External reference for an
optional block up coverter integrated with the unit, or allows the unit to Auto
-switch between Internal and External reference.
Fault Thresholds: Allows the user to set the limit for triggering the unit’s
Current Fault or High Temperature Fault.
Low Current Fault Threshold: Range is 0 to 102.3, with each 0.1 equal
to 97.75 mA.
High Temperature Alarm Threshold: Range is 0 to 125 °C.