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3 optional 1:1 redundancy connectors, 1 optional if connectors (type ‘bnc’ female), 2 optional rf connectors (type ‘sma’ female) – Comtech EF Data LBC-4000 User Manual

Page 44: 3 lbc-4000 ground and power connections

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LBC-4000 L-Band Up/Down Converter System with Ethernet

Revision 2

Rear Panel Connections

MN-LBC4000A

3–10

3.2.3

Optional 1:1 Redundancy Connectors

See  Figure  B‐2  in  Appendix  B.  LBC‐4000  REDUNDANCY  OPERATION  for 
interconnection  between  these  connectors  to  others  located  on  the  LBC‐4000  rear 
panel and on other external equipment. 

3.2.3.1 Optional IF Connectors (Type ‘BNC’ Female)

The IF Primary A / Secondary B connector pairs provide the IF “baseball” 
switch for optional redundant operations. 

 
 
 

Connector Name

Ref

Des

Connector Type

Function (See App. C Figure C-2)

B SEC

IF

Type ‘BNC’ female

Opt. Redun (top): To J4 IF In/Out
Opt. Redun (bot): To Modem

A PRI

Opt. Redun (top): To Termination
Opt. Redun (bot): To J6 IF In/Out

3.2.3.2 Optional RF Connectors (Type ‘SMA’ Female)

The RF Primary A / Secondary B connector pairs provide the RF “baseball” switch 
for optional redundant operations. 

 
 
 
 

Connector Name

Ref

Des

Connector Type

Function (See App. C Figure C-2)

B SEC

RF

Type ‘SMA’ female

Opt. Redun (top): To J5 RF In/Out
Opt. Redun (bot): To PA or LNA

A PRI

Opt. Redun (top): To Termination
Opt. Redun (bot): To J7 RF In/Out

 

3.3

LBC-4000 Ground and Power Connections

 
 
 
 
 

Figure 3-4. LBC-4000 Ground and Power Interfaces