Network And Computer Port Pinouts; Network Port Connector; Computer Port Connector - Cisco 7800 series Administrator's Manual

• RJ-45 jack for a second 10/100BaseT compliant connection (on Cisco IP Phones 7811, 7821, and 7861)
• 48-volt power connector.

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 SW port; the Cisco IP Phone 7841 has a 10/100/1000 SW network port.
• The computer (access) port is the 10/100 PC port; the Cisco IP Phone 7841 has a 10/100/1000 PC

Network Port Connector

The following table describes the network port connector pinouts.
Table 5: Network Port Connector Pinouts
Pin Number
1
2
3
4
5
6
7
8
Note

Computer Port Connector

The following table describes the computer port connector pinouts.
and the LAN 1000BaseT connection (on the Cisco IP Phone 7841).
computer port.
Function
BI_DA+
BI_DA-
BI_DB+
BI_DC+
BI_DC-
BI_DB-
BI_DD+
BI_DD-
BI stands for bidirectional, while DA, DB, DC, and DD stand for Data A, Data B, Data C, and Data
D respectively.
Cisco IP Phone 7800 Series Administration Guide for Cisco Unified Communications Manager

Network and Computer Port Pinouts

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