Comtech EF Data KPA - Manual (Page 56)

KPA Ku-Band Indoor Solid-State Power Amplifier Revision 1
Front Panel Operation MN/KPA.IOM
5–12
If 1:2 Redundancy is recognized:
Config: Auto/Manual Mode
Backup Mode Priority
For 1:1 configurations, select Auto/Manual Mode or Backup Mode using the
◄ ► arrow keys,
then press ENTER.
For 1:2 configurations, select Auto/Manual Mode, Backup Mode, or Priority using the
◄ ►
arrow keys, then press ENTER.
The operations that follow are typical for both 1:1 and 1:2 redundant operations unless otherwise
indicated.
If Auto/Manual Mode is selected:
Operating Mode: Manual
Automatic (◄ ► E)
Select Manual or Automatic using the ◄ ► arrows keys, then press ENTER to continue.
If Backup Mode is selected:
Note: This submenu is enabled only in Remote Æ Local mode, and with Redundancy
Auto/Manual Mode set to Manual. If the user attempts to access this submenu either while
in Remote Æ Serial or Remote Æ Ethernet mode, or with Redundancy Æ Auto/Manual
Mode set as Automatic, this submenu is disabled and, in its place, the following message
displays:
NOT IN MANUAL MODE OR
NOT ACTIVE
Otherwise:
SSPA #1 OFFSET: X.XX dB
Active Backup: NO
For 1:2 configurations only: On the top line, use the ▲ ▼ arrow keys to select the desired
Backup KPA (i.e., SSPA #1 or SSPA #2). For 1:1 configurations, note that this number is
always fixed as ‘1’.
For 1:1 and 1:2 configurations:
On the top line, set the dB offset used for Gain Equalization for the selected Backup KPA. Use
the ◄ ► arrow keys to select the numeral to edit, then using the ▲ ▼ arrow keys to edit the
value of that digit (the valid range, in dB, is -7.00 to +7.00).
On the second line, use the ▲ ▼ arrow keys to set operation of the specified Backup KPA:
• The default setting is NO (i.e., the Backup KPA remains in standby mode).
• Select FORCED to toggle/activiate the selected Backup KPA, then press ENTER to
take the primary unit OFFLINE, and take the selected Backup KPA ONLINE.
If Priority is selected (1:2 configurations only):
Priority SSPA: SSPA#1
SSPA#2