Cisco 6941 Administration Guide - Page 164

Cable Specifications, Network and Access Port Pinouts

Page 164 highlights

Cable Specifications Appendix 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 on the Cisco Unified IP Phone 6921, 6941, and 6961). • RJ-45 jack for a second 10/100BaseT compliant connection (labeled 10/100 PC on the Cisco Unified IP Phone 6921, 6941, and 6961). • 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. • The network port is labeled network on the Cisco Unified IP Phone. • The access port is labeled Computer on the Cisco Unified IP Phone. Network Port Connector Table C-2 describes the network port connector pinouts. Table C-2 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 bidirectional, while DA, DB, DC and DD stand for "Data A", "Data B", "Data C" and "Data D", respectively. Cisco Unified IP Phone 6921, 6941, 6945, and 6961 Administration Guide for Cisco Unified Communications Manager 8.5 (SCCP and SIP) C-2 OL-23769-01

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C-2
Cisco Unified IP Phone 6921, 6941, 6945, and 6961 Administration Guide for Cisco Unified Communications Manager 8.5 (SCCP and SIP)
OL-23769-01
Appendix
Cable 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 on the Cisco Unified
IP Phone 6921, 6941, and 6961).
RJ-45 jack for a second 10/100BaseT compliant connection (labeled 10/100 PC on the
Cisco Unified IP Phone 6921, 6941, and 6961).
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.
The network port is labeled
network
on the Cisco Unified IP Phone.
The access port is labeled
Computer
on the Cisco Unified IP Phone.
Network Port Connector
Table C-2
describes the network port connector pinouts.
Table C-2
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 bidirectional, while DA, DB, DC and
DD stand for “Data A”, “Data B”, “Data C” and “Data
D”, respectively.