Figure 1-6. Rear Panel - Initially Released Chassis (Obsolete) - Comtech EF Data MN/LBC4000.IOM Installation And Operation Manual

LBC-4000 L-Band Up/Down Converter System
Introduction
From left to right:
Item 1 – 'J2 | EXT REF IN' Utility Connector
Use this BNC female connector to supply a 5/10 MHz master reference to the
entire chassis.
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).
Item 3 – 'J5 | IF IN/OUT' (part of IDU Up / Down Converter Module)
Use this BNC female connector as either the 'CONV B' downconverted IF input
signal (with the Down Converter IDU installed), or the upconverted IF output
signal (with the Up Converter IDU installed).
Item 4 – '10/100 ETHERNET' Management Utility Port
Use this 100BaseTX Ethernet RJ-45 port for operation of the Ethernet remote
control interfaces.
The LBC-4000 chassis, as initially released, does not provide a '10/100
ETHERNET' 100BaseTX RJ-45 port (Figure 1-6). Ethernet interface
operation is not available on these legacy products.
Figure 1-6. Rear Panel – Initially Released Chassis (OBSOLETE)
Item 5 – Optional IF Connector Group
These BNC female 'IF Primary A / Secondary B' connector pairs provide the IF
"baseball" switch for optional redundancy operations.
Item 6 – Optional RF Connector Group
These Type 'SMA' female 'RF Primary A / Secondary B' connector pairs provide
the RF "baseball" switch for optional redundancy operations.
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MN/LBC4000.IOM
Revision 5