ADTRAN 4202023L4 Bedienungsanleitung PDF herunterladen (Seite 59)

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1 Shield I/O Shield for cable

2 DPR I Digit Present

3 ACR O Abandon Call and Retry

4 CRQ I Call Request

5 PND O Present Next Digit

6 PWI O Power Indication

7 SG I/O Signal Ground

13 DSC O Distant Station Connect

14 NB1 I Digit LSB

15 NB2 I Digit bit 2

16 NB4 I Digit bit 3

17 NB8 I Digit bit MSB

22 DLO O Data Line Occupied

8-12 NC N/A No Connection

18-21 NC N/A No Connection

23-25 NC N/A No Connection

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ADTRAN 4202023L4 Bedienungsanleitung Seite 59