•
3 key expansion modules connectors which is considered as USB connector for Cisco IP Phone 8851
and 8861
Network and Computer Port Pinouts
Although both the network and computer (access) ports are used for network connectivity, they serve different
purposes and have different port pinouts.
•
The network port is the 10/100/1000 SW port on the Cisco IP Phone.
•
The computer (access) port is the 10/100/1000 PC port on the Cisco IP Phone.
Network Port Connector
The following table describes the network port connector pinouts.
Table 2: Network Port Connector Pinouts
Function
Pin Number
BI_DA+
1
BI_DA-
2
BI_DB+
3
BI_DC+
4
BI_DC-
5
BI_DB-
6
BI_DD+
7
BI_DD-
8
BI stands for bidirectional, while DA, DB, DC, and DD stand for Data A, Data B, Data C, and Data
D respectively.
Note
Computer Port Connector
The following table describes the computer port connector pinouts.
Table 3: Computer (Access) Port Connector Pinouts
Function
Pin Number
BI_DB+
1
Cisco IP Phone 8800 Series Multiplatform Phones Administration Guide
11
Cable Specifications
Summary of Contents for 8851
Page 23: ...P A R T I About the Cisco IP Phone Technical Details page 9 Cisco IP Phone Hardware page 21 ...
Page 24: ......
Page 36: ...Cisco IP Phone 8800 Series Multiplatform Phones Administration Guide 20 USB Port Information ...
Page 48: ......
Page 98: ......
Page 136: ......
Page 168: ...Cisco IP Phone 8800 Series Multiplatform Phones Administration Guide 152 XML Services ...
Page 204: ...Cisco IP Phone 8800 Series Multiplatform Phones Administration Guide 188 Capture Packets ...
Page 210: ......