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5 config: extref (external reference) – Comtech EF Data CPA User Manual

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CPA C-Band Indoor Solid-State Power Amplifier

Revision 1

Front Panel Operation

MN/CPA-IN.IOM

5–14

The default setting is NO (i.e., the Backup CPA remains in standby mode).

Select FORCED to toggle/activate the selected Backup CPA, and then press ENTER to

take the primary unit OFFLINE and take the selected Backup CPA ONLINE.

CONFIG: Redundancy

Priority

(1:2 configurations only)

In 1:1 configurations, this submenu is not accessible, as this number is always fixed

as ‘1’.

Priority SSPA: SSPA#1

SSPA#2

Use the

◄ ►

arrow keys to select which Backup CPA in the configuration should serve as the

priority unit in the 1:2 redundancy system – SSPA#1 or SSPA#2 – and then press ENTER.

5.3.1.5 CONFIG: ExtRef (External Reference)

ExtRef LD Alarm Mask:

Alarm Fault Masked (◄ ► E)

Use the

◄ ►

arrow keys to select Alarm, Fault, or Masked, and then press ENTER. Note the

following:

Selection

Description

Alarm

Causes an Alarm to be generated whenever the unit sees that:

a) External Reference is selected, and

b) There is no signal activity at the External Reference port.

No action, other than event logging, will occur.

Fault

Causes a Transmit Traffic fault to be generated whenever the unit sees that:

a) External Reference is selected, and
b) There is no signal activity at the External Reference port.

Mask

No alarm or fault will be generated.