Comtech EF Data CD-MNLBC4000, Инструкция по установке и эксплуатации

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LBC-4000 L-Band Up/Down Converter System MN/LBC4000.IOM
Rear Panel Connectors Revision 5
4–6
4.2 Unit Connectors
External cables are attached to connectors provided on the rear panel of the unit
( Figure 4-5 ).
Figure 4-5. LBC-4000 Rear Panel – Current Ethernet-ready Chassis with
Optional Redundancy
The LBC-4000 chassis, as initially released (
Figure 4-6
), does not provide
a ‘10/100 ETHERNET’ Management Utility RJ-45 port. Ethernet interface
operation is not available on these legacy products.
Figure 4-6. LBC-4000 Rear Panel – Original Serial-only Chassis with
Optional Redundancy
4.2.1 Operational Connections
See Sect. 4.2.2 for information about the Power and Ground Connections. From
left to right ( Figure 4-5 ):
Item 1 – ‘J2 | EXT 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.
Item 2 – ‘J4 | RF OUT/IN’ (part of IDU Up / Down Converter Module)
Use this Type 'N' female connector as either the ‘CONV B’ L-Band output signal
interface (with the Down Converter IDU installed) or the L-Band input signal
interface (with the Up Converter IDU installed).