Cisco 7971G-GE Administration Guide - Page 197
Pin Number, Function, BI stands for bi-directional, while DA, DB, DC and DD stand for Data
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Appendix D Technical Specifications Network and Access Port Pinouts Access Port Connector Table D-3 describes the access port connector pinouts. 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- 6 6BI_DA- 7 7BI_DC+ 8 BI_DC- Note "BI" stands for bi-directional, while DA, DB, DC and DD stand for "Data A", "Data B", "Data C" and "Data D", respectively. OL-15299-01 Cisco Unified IP Phone 7970G/7971G-GE Administration Guide for Cisco Unified Communications Manager 7.0 D-3
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D-3
Cisco Unified IP Phone 7970G/7971G-GE Administration Guide for Cisco Unified Communications Manager 7.0
OL-15299-01
Appendix D
Technical Specifications
Network and Access Port Pinouts
Access Port Connector
Table D-3
describes the access port connector pinouts.
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-
6
6BI_DA-
7
7BI_DC+
8
BI_DC-
Note
“BI” stands for bi-directional, while DA, DB, DC and DD stand for “Data A”, “Data B”, “Data
C” and “Data D”, respectively.