ADTRAN 4202023L4 Network Card User Manual


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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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