Appendix A. Connector Pin Definitions
Dial Backup Interface Module Pinouts (DBU Connector)
Table A-14. DBU Connector Pinouts
Pin
Name
1-3
—
4
R
5
T
6-8
—
An optional DIM is required for dial backup applications.
54
Description
Unused
Network–Ring
Network–Tip
Unused
Copyright © 2006 ADTRAN, Inc.
NetVanta 7000 Series Hardware Installation Guide
61200796L1-34D
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