Product specifications

UT-4500-A Series Upconverters Revision 0
Front Panel Operation MN-UT4500A
5–11
used in the backup Upconverter to monitor configuration changes made to an online
upconverter. Changes in frequency, gain, or polarity are immediately entered into the backup
table as well as information from new online units. The high-speed bus does not interfere
with the remote serial communication link access to any of the converters in the chain.
The HSB (High Speed Bus) submenu is used to configure operation of the J3 HSB connector
provided on the optional Receive Switch Module (RSM) and Transmit Switch Module
(TSM). When an RSM or TSM is not configured for operation, the following message
displays:
CONV #01 – NO DATA
HSB NO RESPONSE
Press ENTER or CLEAR to continue.
See Appendix B. REDUNDANT SYSTEM OPERATION for detailed information about use of
the front panel menus for redundancy configuration and operation.
5.3.1.4 CONFIG: FAULTRECOVERY
Fault Recovery: Auto
Use the # $ arrow keys to select Fault Recovery as Manual or Automatic, and then press
ENTER. The default operation is Auto.
5.3.1.5 CONFIG: COLDSTART
Cold Start = Disabled.
When redundancy is not active, use the # $ arrow keys to select Cold Start as Enabled or
Disabled, and then press ENTER. The default operation is Disabled.
Cold Start Mode, if enabled, mutes the upconverter output signal for a pre-determined time after
power is applied to the upconverter – 15 minutes – to ensure that the reference oscillator is stable.
Note the following:
! The user must be in Local or Remote Mode to use this command. (Default is Remote.)
! This function is disabled in redundant systems.