UT-4500 Series C- and Ku-Band Up Converters MN/UT4500.IOM
Introduction Revision 3
1–11
Item 2 – Unit Fusing (part of Power Supply module)
FOR CONTINUED OPERATOR SAFETY, ALWAYS REPLACE THE FUSES
WITH THE CORRECT TYPE AND RATING.
The unit uses two Slo-Blo fuses, one each for line and neutral fusing:
• The standard 90 to 250V AC unit retains the T2.0A 5x20 mm fuses (250V
AC time lag) in a press-fit fuse holder.
• The optional -48V DC unit retains the T3.15A 20 mm fuses in a press-fit
fuse holder.
Item 3 – Power Switch (part of Power Supply Module)
Use this to turn power to the unit on or off.
Item 4 – ‘J2A | REF IN’ Utility Connector
Use this female BNC connector to supply a 5/10 MHz master reference to the
entire chassis.
Item 5 – ‘J2B | REF OUT’ Utility Connector (OPTIONAL)
Use this optional female BNC connector to provide a 5/10 MHz external
reference for customer use.
Item 6 – ‘ETHERNET’ Ethernet Management Utility Port
Use this 100BaseTX Ethernet RJ-45 port for operation of the Ethernet remote
control interfaces.
Item 7 – ‘J1 | COM1’ Serial Management Utility Connector
Use this DB-9F EIA-232/EIA-485 connector for operation of the Serial remote
control interface.
Item 8 – ‘P1 | RELAY’ Utility Connector
Use this DB-9F connector to access the Form C Alarms (relay closures).
Item 9 – Removable Module
Depending on your application, the chassis rear panel module slot accepts an
Input/Output Module (IOM), Receive Switch Module (RSM), Transmit Switch
Module (TSM), Polarity Switch Module (PSM), or Equalizer Module (EQM).
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