Appendix A. Ethernet Interface

ASM-20Installation and Operation Manual

 

 

 

 

 

 

 

 

 

A.3 IR-ETH Connector Options

Figure A-2and Figure A-3show the rear panel of ASM-20 with the IR-ETH connector options. The IR-ETH connector for the ASM-20/R card

(rack mount version) is shown in Figure A-4.

Line Connector

Figure A-2 ASM-20 Rear Panel with IR-ETH/UTP Connector Option

Line C onnector

Figure A-3 ASM-20 Rear Panel with IR-ETH/BNC Connector Option

(13) R C V (+)

 

(12) R C V (-)

7

(11 ) X M T (+)

(9 ) X M T(-)

9

(7 ) G N D

11

 

1 2

 

1 3

D B -25

Figure A-4 IR-ETH Connector for the ASM-20 Rack-Mount Version

When using the RJ-45 connector, the customer must prepare a mechanical cable for adapting the DB-25 pinout to that of RJ-45. The pinouts of the DB-25 and RJ-45 connectors are given in Table A-1.

Table A-1 DB-25 and RJ-45 Pin Assignment for IR-ETH Connection

Signal

 

Pin

 

 

 

 

DB-25

RJ-45

 

 

 

RCV (+)

13

3

 

 

 

RCV (-)

12

6

 

 

 

XMT (+)

11

1

 

 

 

XMT (-)

9

2

 

 

 

GND

7

-

 

 

 

A-2 IR-ETH Connector Options

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RAD Data comm ASM-20 operation manual IR-ETH Connector Options, Signal Pin DB-25 RJ-45