ADTRAN ISU 128 - Manual (Page 133)

Appendix E: Connector Pinouts
118 ISU 128 User Manual 61202.029L2-1
Figure E-3
RS-366 Interface
Table E-D
RS-366 Interface
Figure E-4
RJ-45 Interface
Table E-E
RJ-45 ISDN IFC
Pin Name I/O Description
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
I= Input, O= Output, N/A= Not Applicable
Pin Description
4 Ring
5 Tip
PIN 13
PIN 1
PIN 25 PIN 14
FEMALE
ISDN
PIN 1 PIN 8