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C-3

Cisco Unified IP Phone 6921, 6941, 6945, and 6961 Administration Guide for Cisco Unified Communications Manager 8.6 (SCCP and SIP)

OL-24567-01

Appendix

Network and Access Port Pinouts

Access Port Connector

Table C-3 describes the access port connector pinouts.

Table C-3 Access Port Connector Pinouts

Pin Number Function

1BI_DB+

2BI_DB-

3BI_DA+

4BI_DD+

5BI_DD-

6BI_DA-

7BI_DC+

8BI_DC-

Note “BI” stands for bi-directional, while DA, DB, DC and

DD stand for “Data A”, “Data B”, “Data C” and “Data

D”, respectively.

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