D-3
Cisco Unified IP Phone 7975G Administration Guide for Cisco Unified Communications Manager 7.0 (SCCP and SIP)
OL-15790-01
Appendix D Technical Specifications
Network and Access Port Pinouts
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.
Table D-3
Access Port Connector Pinouts
Pin Number
Function