Cisco 3905 - Cable Specifications; Network and Access Port Pinouts; Network Port Connector

Value or RangeSpecification
•
100-240 VAC, 50-60 Hz, 0.5 A - When using the AC adapter
•
48 VDC, 0.2 A - When using the in-line power over the network cable
Power
Category 3/5/5e for 10-Mbps cables with 4 pairs
Category 5/5e for 100-Mbps cables with 4 pairs
Cables have 4 pairs of wires for a total of 8
conductors.
Note
Cables
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).
Distance Requirements
Cable Specifications
•
RJ-9 jack (4-conductor) for handset connection.
•
RJ-45 jack for the LAN 10/100BaseT connection (labeled 10/100 SW on the Cisco Unified SIP Phone
3905).
•
RJ-45 jack for a second 10/100BaseT compliant connection.
•
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
The following table describes the network port connector pinouts.
Table 23: Network Port Connector Pinouts
FunctionPin number
BI_DA+1
BI_DA-2
Cisco Unified SIP Phone 3905 Administration Guide for Cisco Unified Communications Manager 8.6 (SIP)
102
Technical Specifications
Cable Specifications