Table of Contents
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DT-4572 X-Band Down Converter
Introduction
From left to right:
Item 1 – Power Connection (part of Power Supply module)
• The standard AC unit features a 90-250VAC Primary Input Power Supply
(IEC-60320 Type C14 three-prong male connector)
• The optional -48VDC unit features a terminal block power interface.
Item 2 – Unit Fusing (part of Power Supply module)
CAUTION
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 AC unit retains two T2.0A 5x20 mm fuses (250VAC time lag)
in a press-fit fuse holder.
• The optional DC unit retains two T3.15A 20 mm fuses (250VAC time lag)
in a press-fit fuse holder.
Item 3 – Power Switch (part of Power Supply Module)
Use this switch to turn power to the unit on or off.
Item 4 – 'J2A | REF IN' Utility Connector
Use this BNC female connector to supply a 5/10 MHz master reference to the
entire chassis.
Item 5 – 'J2B | REF OUT' Utility Connector (OPTIONAL)
Use this optional BNC female connector to provide a 5/10 MHz external
reference for customer use.
Item 6 – 'ETHERNET' Ethernet Management Utility Port
Use this 100BaseTX RJ-45 Ethernet 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).
1–11
MN/DT4572.IOM
Revision 1
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Table of Contents
Troubleshooting
