Appendix C Technical Specifications

Network and Access Port Pinouts

Table C-3

Access Port Connector Pinouts (continued)

 

 

 

Pin Number

 

Function

 

 

 

5

 

BI_DD-

 

 

 

6

 

BI_DA-

 

 

 

7

 

BI_DC+

 

 

 

8

 

BI_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.

Cisco Unified IP Phone 6921, 6941, and 6961 Administration Guide for Cisco Unified Communications Manager 7.1 (SCCP)

 

OL-19025-01

C-3

 

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Cisco Systems OL-19025-01 manual Pin Number Function