NetVanta 4300/4400 Series
Dial Backup Interface Module Pinouts (DBU Connector)
An optional DIM is required for dial backup applications.
Table
Pin | Name | Description |
|
|
|
|
|
|
— | Unused | |
|
|
|
4 | R | |
|
|
|
5 | T | |
|
|
|
— | Unused | |
|
|
|
Table | ||
|
|
|
Pin | Name | Description |
|
|
|
|
|
|
1, 2 | — | Unused |
|
|
|
3 | R1 | Network |
|
|
|
4 | R | Network |
|
|
|
5 | T | Network |
|
|
|
6 | T1 | Network |
|
|
|
7, 8 | — | Unused |
|
|
|
64 | Copyright © 2013 ADTRAN, Inc. |