Lbc-4000 Cabling Connections; Table 3-1. Lbc-4000 Connectors; Figure 3-3. Lbc-4000 Rear Panel Connectors (Redundancy Unit Shown) - Comtech EF Data LBC-4000 Installation And Operation Manual

LBC-4000 L-Band Up/Down Converter System
Rear Panel Connections
3.2

LBC-4000 Cabling Connections

Figure 3-3. LBC-4000 Rear Panel Connectors (Redundancy Unit Shown)

The LBC‐4000 rear panel connectors (Figure 3‐3) provide all necessary external connections
between the unit and other equipment. Table 3‐1 summarizes the connectors provided here,
grouped according to service function.
Connector Group
(Sect.)
RF/IF
(Sect. 3.2.1)
Utility
(Sect.3.2.2)
Optional
Redundancy
RF/IF
(Sect. 3.2.3)
1. The European EMC Directive (EN55022, EN50082‐1) requires using properly
shielded cables for DATA I/O. These cables must be double‐shielded from end‐to‐
end, ensuring a continuous ground shield.
2.
See Sect. 3.1 Cabling Connections Types for information about each connector
type and its connection instructions.

Table 3-1. LBC-4000 Connectors

Ref
Connector Name
Des
RF OUT/IN J4
IF IN/OUT J5
RF OUT/IN J6
IF IN/OUT J7
EXT REF IN J2
RELAY P1
COM 1 J1
B SEC
IF
A PRI
B SEC
RF
A PRI
3–5
Connector Type Function
Type 'N' female Unit B Module RF output/input
Type ' BNC ' female Unit B Module IF input/output
Type 'N' female Unit A Module RF output/input
Type 'BNC' female Unit A Module IF input/output
Type 'BNC' female External10 MHz Reference input
9-Pin Type 'D' female Form C Unit Alarm
9-Pin Type 'D' male Serial M&C
Opt. Redun (top): To J4 IF In/Out
Opt. Redun (bot): To Modem
Type 'BNC' female
Opt. Redun (top): To Termination
Opt. Redun (bot): To J6 IF In/Out
Opt. Redun (top): To J5 RF In/Out
Opt. Redun (bot): To PA or LNA
Type 'SMA' female
Opt. Redun (top): To Termination
Opt. Redun (bot): To J7 RF In/Out
Revision 4
MN/LBC4000.IOM