Cisco 7975G Software Manual page 205

Appendix D Technical Specifications
Table D-3
Pin Number
6
7
8
Note
Cisco Unified IP Phone 7975G Administration Guide for Cisco Unified Communications Manager 7.0 (SCCP and SIP)
OL-15790-01
Access Port Connector Pinouts
Function
BI_DA-
BI_DC+
BI_DC-
"BI" stands for bi-directional, while DA, DB, DC and DD stand for "Data A", "Data B", "Data
C" and "Data D", respectively.
Network and Access Port Pinouts
D-3