79

RS485 COMMUNICATION

JC

 

 

9

5

 

4

 

8

3

COMPUTER

7

2

T/R-

6

1

T/R+

AMP. No 1

 

JC

98 54

76 32

1

AMP. No 2

AMP. No 32

 

JC

 

 

9

5

NOTES:

8

4

 

3

 

7

2

1. SHIELDING MUST BE CONNECTED AT COMPUTER

6

 

1

END ONLY.

2.PIN No.1 TRANSMIT/RECEIVE CONTROL

3.PIN No.4 +5V

SYMBOLS:

TWISTED PAIR

SHIELDING

DBP - Rev 6/93

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Image 80
Elmo DBP SERIES manual RS485 Communication