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Cisco Unified IP Phone 6901 and 6911 Administration Guide for Cisco Unified Communications Manager 8.5 (SCCP and SIP)
OL-23874-01
Appendix C Technical Specifications
Network and Access Port Pinouts
Network and Access Port Pinouts
Although both the network and access ports are used for network connectivity, they serve different
purposes and have different port pinouts.
• The network port is labeled network on the Cisco Unified IP Phone.
• The access port is labeled Computer on the Cisco Unified IP Phone (Cisco Unified IP Phone 6911
only).
Network Port Connector
Table C-3 describes the network port connector pinouts.
Access Port Connector
Table C-4 describes the access port connector pinouts.
Ta b l e C-3 Network Port Connector Pinouts
Pin Number Function
1 BI_DA+
2 BI_DA-
3 BI_DB+
4 BI_DC+
5 BI_DC-
6 BI_DB-
7 BI_DD+
8 BI_DD-
Note “BI” stands for bi-directional, while DA, DB, DC and DD stand for “Data A”, “Data
B”, “Data C” and “Data D”, respectively.
Ta b l e C-4 Access Port Connector Pinouts
Pin Number Function
1 BI_DB+
2 BI_DB-
3 BI_DA+
4 BI_DD+
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.