Table A-7. Pin Assignments For The Pri Dbu Card - ADTRAN TSU IQ+ User Manual

Appendix A. Pinouts
Pin
4-wire Switched 56
3-6
V.34 and 1 B+D ISDN
1-3
6-8
A-4
Table A-6. 4-Wire, V.34, and BRI ISDN DBU Card
Name
1 R1 Transmit Data from DSU to Network-Ring 1
2 T1 Transmit Data from DSU to Network-Tip 1
- Not Used
7 T Receive Data from Network to DSU-Tip
8 R Receive Data from Network to DSU-Ring
- Not Used
4 T Network-Tip
5 R Network-Ring
- Not Used

Table A-7. Pin Assignments for the PRI DBU Card

Pin
1 R1 RXDATA-RING
2 T1 RXDATA-TIP
3 UNUSED
4 R TXDATA-RING
5 T TXDATA-TIP
6,7,8 UNUSED
TSU IQ+ User Manual
Description
Name
Receive data from the net-
work
Receive data from the net-
work
--
Send data toward network
Send data toward network
--
Pin Assignments
Description
61200275L1-1