Cisco 7931G - Unified IP Phone VoIP - Network and Access Port Pinouts

C-3
Cisco Unified IP Phone 7931G Administration Guide for Cisco Unified Communications Manager 6.0
OL-12457-01
Appendix C Technical Specifications
Network and Access Port Pinouts
Access Port Connector
Table C-3 describes the access port connector pinouts.
In this table, “BI” stands for bidirectional, and DA, DB, DC and DD stand for
“Data A”, “Data B”, “Data C” and “Data D”, respectively.
Table C-2 Network Port Connector Pinouts
Pin Number Function
1BI_DA+
2BI_DA-
3BI_DB+
4BI_DC+
55BI_DC-
66BI_DB-
77BI_DD+
8BI_DD-
Table C-3 Access Port Connector Pinouts
Pin Number Function
1BI_DB+
2BI_DB-
3BI_DA+
4BI_DD+
55BI_DD-
66BI_DA-
77BI_DC+
8BI_DC-