DT-4500 Series C- and Ku-Band Down Converters
MN/DT4500.IOM
Front and Rear Panel Connectors
Revision 2
4–12
4.2.3
Operational Connections
See
Sect. 4.1 Overview – Cabling Connections Types
for information
about each connector type and its connection instructions.
Figure 4-13. Rear Panel Operational Connections (with IOM)
As shown in
and
Item 4 – ‘J2A | REF IN’ Utility Connector
Use this female BNC connector to supply a master reference to the entire
chassis. The user-supplied input signal is used for phase-locking the internal
10MHz reference oscillator to a user-provided 5 or 10 MHz station clock. The
impedance is matched for 50
Ω
or 75
Ω
and requires an input level of 0 ±5 dBm.
Item 5 – ‘J2B | REF OUT’ Utility Connector (OPTIONAL)
Use this optional female BNC connector to provide a 10 MHz reference for
customer use. The impedance is matched for 50
Ω
or 75
Ω
and provides an
output level of 5 ±3 dBm.
Item 6 – ‘Ethernet’ Ethernet Management Utility Port
The DT-4500 Series Down Converter, as initially released, does not
feature a rear panel ‘Ethernet’ port. Only current production units offer
Ethernet Interface operation.
Use this 100 Base-TX Ethernet RJ-45 port for operation of the Ethernet remote
control interfaces. It is also used for updating DT-4500 firmware. This receptacle
uses a CAT5 Ethernet cable for connection to an Ethernet hub, router, switch,
for the connector pinouts.
Содержание DT-4500 Series
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