Cisco Unified SIP Phone 3911 Administration Guide for Cisco Unified Communications Manager 6.0 and 5.1
Technical Specifications
Downloads: This chapterpdf (PDF - 349.0KB) The complete bookPDF (PDF - 2.32MB) | Feedback

Technical Specifications

Table Of Contents

Technical Specifications

Physical and Operating Environment Specifications

Network Port Pinouts


Technical Specifications


The following sections describe the technical specifications for the Cisco Unified SIP Phone 3911.

Physical and Operating Environment Specifications

Network Port Pinouts

Network Port Pinouts

Physical and Operating Environment Specifications

Table C-1 shows the physical and operating environment specifications for the Cisco Unified SIP Phone 3911.

Table C-1 Physical and Operating Specifications 

Specification
Value or Range

Operating temperature

23° to 104°F (-5° to 40°C)

Operating relative humidity

90% (+/- 5 %)

Storage temperature

Up to 140°F (60°C)

Height

200 mm

Width

180 mm

Depth

45 mm

Weight

505 g

Power

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

Cables

One (2) pair of Category 3 for 10-Mbps cables or
One (2) pair of Category 5 for 100-Mbps cables

RJ-9 jack (4-conductor) for handset and headset connection.

RJ-45 jack for the LAN 10/100BaseT connection.

48-volt power connector.

Distance Requirements

As supported by the Ethernet Specification, it is assumed that most Cisco Unified IP Phones should be within 330 feet (100m) of a phone closet.


Network Port Pinouts

Although both the network and access ports are used for network connectivity, they serve different purposes and have different port pinouts.

Table C-2 describes the network port connector pinouts.

Table C-2 Network Port Connector Pinouts 

Pin Number
Function

1

TD+

2

TD-

3

RD+

4

Not used

5

Not used

6

RD-

7

Not used

8

Not used