Black Box CSU/DSU Especificaciones descargar pdf (Pagina 93)

92

CSU/DSU MS DBU

Appendix A. Pinouts

The following tables give the pin assignments for the connectors on the back

of the CSU/DSU MS DBU, the DBU cards, and the SNMP Ethernet Module.

For more information on the connectors, see Chapter 2.

Table A-1. Pin Assignments for Telco Connector

Pin Name Description

1 R1 Transmit Data from DSU to Network—Ring 1

2 T1 Transmit Data from DSU to Network—Tip 1

3-6 — Not Used

7 T Receive Data from Network to DSU—Tip

8 R Receive Data from Network to DSU—Ring

Table A-2. Pin Assignments for DBU Card Connectors

Pin Name Description

4-wire Switched 56

1 R1 Transmit Data from DSU to Network—Ring 1

2 T1 Transmit Data from DSU to Network—Tip 1

3-6 — Not Used

7 T Receive Data from Network to DSU—Tip

8 R Receive Data from Network to DSU—Ring

V.34 and 1B+D ISDN

1-3 — Not Used

4 T Network—Tip

5 R Network—Ring

6-8 — Not Used

1 2 ... 88 89 90 91 92 93 94 95 96 97 98 ... 115 116

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