Specifications

D-2

Cisco Unified IP Phone 7906G and 7911G for Cisco Unified Communications Manager 8.0

OL-21033-01

Appendix D Technical Specifications

Cable Specifications

• RJ-9 jack (4-conductor) for handset and headset connection.

• RJ-45 jack for the LAN 10/100BaseT connection (labeled 10/100 SW).

• RJ-45 jack for the access port 10/100BaseT connection (labeled 10/100 PC).

• 48-volt power connector.

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.

Network Port Connector

Table D-2 describes the network port connector pinouts.

Access Port Connector

Table D-3 describes the access port connector pinouts.

Cables Category 3/5/5e for 10-Mbps cables with 4 pairs

Category 5/5e for 100-Mbps cables with 4 pairs

Category 5e/6 for 1000-Mbps cables with 4 pairs

Note Cables have 4 pairs of wires for a total of 8 conductors.

Distance requirements As supported by the Ethernet specification, it is assumed that the maximum cable length between

each Cisco Unified IP Phone and the switch is 100 meters (330 feet).

Table D-1 Physical and Operating Specifications (continued)

Specification Value or Range

Table D-2 Network Port Connector Pinouts

Pin Number Function

1BI_DA+

2BI_DA-

3BI_DB+

4BI_DC+

55BI_DC-

66BI_DB-

77BI_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.