D-3
Cisco Unified IP Phone 7970G/7971G-GE Administration Guide for Cisco Unified Communications Manager 6.1
OL-14626-01
Appendix D 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.
Network Port Connector
Table D-2
describes the network port connector pinouts.
Access Port Connector
Table D-3
describes the access port connector pinouts.
Table D-2
Network Port Connector Pinouts
Pin Number
Function
1
BI_DA+
2
BI_DA-
3
BI_DB+
4
BI_DC+
5
5BI_DC-
6
6BI_DB-
7
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.
Table D-3
Access Port Connector Pinouts
Pin Number
Function
1
BI_DB+
2
BI_DB-
3
BI_DA+
4
BI_DD+
5
5BI_DD-
Содержание 7970G - IP Phone VoIP
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