Cisco Systems 6901 Network and Access Port Pinouts, Network Port Connector, Pin Number Function

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-3describes the network port connector pinouts.

Table 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.

Access Port Connector

Table C-4describes the access port connector pinouts.

Table 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.

Cisco Unified IP Phone 6901 and 6911 Administration Guide for Cisco Unified Communications Manager 8.5 (SCCP and SIP)

OL-23874-01 C-3