Appendix D Technical Specification; Cable Specifications - Cisco 7945G Administration Manual

Cable Specifications

Table D-1
Specification
Cables
Distance Requirements
Cable Specifications
•
•
•
•
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
Table D-2
Pin Number
1
2
3
4
5
6
7
8
Note
Cisco Unified IP Phone 7965G and 7945G Administration Guide for Cisco Unified Communications Manager 6.1(3)
D-2
Physical and Operating Specifications (continued)
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.
Value or Range
Category 3/5/5e/6 for 10-Mbps cables with 4 pairs
Category 5/5e/6 for 100-Mbps cables with 4 pairs
Category 5e/6 for 1000-Mbps cables with 4 pairs
Note Cables have 4 pairs of wires for a total of 8 conductors.
As supported by the Ethernet Specification, it is assumed that the
maximum cable length between each Cisco Unified IP Phone and the
switch is 100 meters (330 feet).
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-17755-01