Cable Specifications; Network And Access Port Pinouts; Appendix D Technical Specification - Cisco 7975G Software Manual

Cable Specifications

Cable Specifications
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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.
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Network Port Connector
Table D-2
Table D-2
Pin Number
1
2
3
4
5
6
7
8
Note
Access Port Connector
Table D-3
Table D-3
Pin Number
1
2
3
4
5
Cisco Unified IP Phone 7975G Administration Guide for Cisco Unified Communications Manager 7.0 (SCCP and SIP)
D-2
RJ-9 jack (4-conductor) for handset and headset connection.
RJ-45 jack for the LAN 10/100/1000BaseT connection (labeled 10/100/1000 SW).
RJ-45 jack for a second 10/100/1000BaseT compliant connection (labeled 10/100/1000 PC).
48-volt power connector.
The network port is labeled
The access port is labeled
describes the network port connector pinouts.
Network Port Connector Pinouts
Function
BI_DA+
BI_DA-
BI_DB+
BI_DC+
BI_DC-
BI_DB-
BI_DD+
BI_DD-
"BI" stands for bi-directional, while DA, DB, DC and DD stand for "Data A", "Data B", "Data
C" and "Data D", respectively.
describes the access port connector pinouts.
Access Port Connector Pinouts
Function
BI_DB+
BI_DB-
BI_DA+
BI_DD+
BI_DD-
on the Cisco Unified IP Phone.
10/100/1000 SW
on the Cisco Unified IP Phone.
10/100/1000 PC
Appendix D Technical Specifications
OL-15790-01