ADTRAN Vanta 1335 Guida di Installazione Scaricare il pdf (Pagina 48)

Appendix A. Connector Pin Definitions NetVanta 1335 Series Hardware Installation Guide

Dial Backup Interface Module Pinouts (DBU Connector)

An optional DIM is required for dial backup applications.

Table A-12. Analog Modem and ISDN BRI DBU Connector Pinouts

Pin Name Description

1-3 — Unused

4 R Network–Ring

5 T Network–Tip

6-8 — Unused

Table A-13. ISDN S/T DBU Connector Pinouts

Pin Name Description

1, 2 — Unused

3 R1 Network Receive–Ring 1

4 R Network Transmit–Ring

5 T Network Transmit–Tip

6 T1 Network Transmit–Tip 1

7, 8 — Unused

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ADTRAN Vanta 1335 Guida di Installazione Pagina 48