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Comtech EF Data PCB-4300 User Manual

Page 24

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PCB-4300 1:2 Phase Combiner

Revision 2

External Connectors

MN/PCB4300.IOMMN/PCB4300.IOM

2–2

Table 2-1. PCB-4300 External Connectors

Connector Group
(Chapter Sect.)

Name / Ref Des

Connector Type

Function

M&C (Sect. 2.2)

SYSTEM COM J1

19-pin Circular Connector

Customer EIA-232/485 and discrete
interface

SSPA COM 1 J2

19-pin Circular Connector

Connects to SSPAs

SSPA COM 2 J3
SSPA COM 3 J4

SSPA SW OUT J5

19-pin Circular Connector

Connects to both waveguide
switches

RF INPUT SWITCH J6

6-pin Circular Connector

Drive input, selects either RF IN 1 or
RF IN 2

RF (Sect. 2.3)

RF IN 1 J7

Type ’N’

RF Inputs to PCCB

RF IN 2 J8
SSPA OUT 1 J9

Type ’N’

RF Outputs to SSPAs

SSPA OUT 2 J10
SSPA OUT 3 J11

Power/Ground
(Sect 2.4)

AC

Pin ‘R’ on SSPA COM 1 J1,
SSPA COM 2 J3, SSPA COM

3 J4

See Sect. 2.4.1 for AC power
provision note

Ground

#10-32 stud

Common Chassis Ground

IMPORTANT

To maintain compliance with the European EMC Directive (EN55022, EN50082-1)
properly shielded cables are required for data I/O.