Ramsey Electronics BS2C Bedienerhandbuch PDF herunterladen (Seite 23)

DCI2 • 25

DTMF Tone 4-bit Code J2

Pin 7

1

0001 0

2

0010 0

3

0011 0

4

0100 0

5

0101 0

6

0110 0

7

0111 0

8

1000 1

9

1001 1

0

1010 1

*

1011 1

#

1100 1

A

1101 1

B

1110 1

C

1111 1

D

0000 0

J2

Pin 5

0

0

0

1

1

1

1

0

0

0

0

1

1

1

1

0

J2

Pin 3

0

1

1

0

0

1

1

0

0

1

1

0

0

1

1

0

J2

Pin 1

1

0

1

0

1

0

1

0

1

0

1

0

1

0

1

0

J2

Pin 9

Data Valid

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

NO TONE

(no latch)

1111 1 1 1 1 1

NO TONE

(latched)

xxxx 1 1/0 1/0 1/0 1/0

Full DTMF Configuration Signals

1 2 ... 18 19 20 21 22 23 24 25 26 27 28 ... 33 34

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