Appendix B: Cabling Diagrams

Cabling for the NMS Module

NMS

 

 

 

PIN 13

PIN 1

 

 

 

 

DCE

 

 

RS-232

 

PIN 25

 

NO C NC GND

 

 

GROUND (PIN 1)

 

DB25

 

(MALE)

NORMALLY CLOSED

 

 

 

COMMON

NORMALLY OPEN

DB25 PIN

 

ASSIGNMENTS

 

1

PROTECTIVE GROUND

2

TX DATA

3

RX DATA

4

RTS (REQUEST-TO-SEND)

5

CTS (CLEAR-TO-SEND)

6

DSR (DATA SET READY

7

SIGNAL GROUND

8

CD (CARRIER DETECT)

11

UNASSIGNED

20

DTR (DATA TERMINAL READY)

22

RI (RING INDICATOR)

24

EXTERNAL TX CLOCK

25

BUSY

205

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Image 207
Black Box 5000 manual Cabling for the NMS Module