Appendix C
Technical Specifications
Computer Port Connector
Table C-3
Table C-3
Pin Number
1
2
3
4
5
6
7
8
Note
Cisco Unified IP Phone 8961, 9951, and 9971 Administration Guide for Cisco Unified Communications Manager 8.6 (SIP)
describes the Computer port connector pinouts.
Computer (Access) Port Connector Pinouts
Function
BI_DB+
BI_DB-
BI_DA+
BI_DD+
BI_DD-
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 Computer Port Pinouts
C-3