beautypg.com

6 j7 rf switch connector, 7 j6 com 1 connector – Comtech EF Data KPA User Manual

Page 39

background image

KPA Ku-Band Indoor Solid-State Power Amplifier

Revision 1

Connectors and Pinouts

MN/KPA.IOM

3–7

3.3.6

J7 RF SWITCH Connector

The J7 RF SWITCH connector is a 10-pin circular connector, type
MS3112E12-10S. Used only in redundant configurations, it functions as
the waveguide switch interface connector. The pinout specification is
contained in Table 3-5. See Appendix B. KPA REDUNDANT
OPERATIONS
for further information about use of the KPA in 1:1 or
1:2 redundant systems.


Table 3-5. J7 RF SWITCH Connector Pinout

Pin

Description

A Command

BU-1

B Command

Common

C

Command 1 Online

D

IND 1 Online

E IND

Common

F IND

BU

Online

G Command

BU-2

H Command

BU-2

J

IND 2 Online

K No

Connect


3.3.7

J6 COM 1 Connector

The J6 COM 1 connector is a 9-pin Type ‘D’ female (DB-9F) connector
that provides the EIA-232/EIA-485 Interface. The pinout specifications
are provided in Table 3-6.

Mating Connector: 9-pin Type ‘D’ male connector (DB-9M).

Table 3-6. J6 COM 1 Connector Pinout (EIA-232/EIA-485 Interface)

Pin # EIA-232

EIA-485 4-Wire

EIA-485 2-Wire

1

No Connect

Ground (GND)

Ground (GND)

2

Transmit Data (TD)

No Connect

No Connect

3

Receive Data (RD)

No Connect

No Connect

4

No Connect

+TX Signal

+RX/TX Signal Loop In

5

Ground (GND)

-TX Signal Compliment

-RX/TX Signal Complement Loop In

6

Unit Ready – always

high (DSR)

No Connect

No Connect

7

Request to Send.

Looped to CTS (RTS)

No Connect

No Connect

8

Clear to Send (CTS)

+RX Signal

+RX/TX Signal Loop Out

9

No Connect

-RX Signal Complement

-RX/TX Signal Complement Loop Out