Cisco Unified IP Phone 7931G Administration Guide for Cisco Unified Communications Manager 9.0 (SCCP and SIP)
Technical Specifications
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Technical Specifications

Technical Specifications

Physical and Operating Environment Specifications

The following table shows the physical and operating environment specifications for the Cisco Unified IP Phone.

Table 1 Physical and Operating Specifications

Specification

Value or Range

Operating temperature

32° to 104°F (0° to 40°C)

Operating relative humidity

10% to 95% (non-condensing)

Storage temperature

14° to 140°F (–10° to 60°C)

Height

8.0 in. (20.3 cm)

Width

9.0 in. (22.9 cm)

Depth

7.0 in. (17.8 cm)

Weight

3.0 lb (1.36 kg)

Power Options

  • The phone can receive power from IEEE 802.3af-compliant data switches (Class III)
  • The phone can be powered locally with a power adapter (Cisco part number CP-PWR-CUBE-3=) and the appropriate power cord (power requirements for the power adapter: 100–240 VAC, 50–60 Hz, 0.5 A)

Cables

  • Category 3 for 10-Mbps cables
  • Category 5 for 100-Mbps cables

Distance Requirements

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

Cable Specifications

  • RJ-9 jack (4-conductor) for handset and headset connection.
  • RJ-45 jack for the LAN 10/100BaseT connection (labeled 10/100 SW).
  • RJ-45 jack for the access port 10/100BaseT connection (labeled 10/100 PC).
  • 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 access port is also known as the computer port.

Network Port Connector

The following table describes the network port connector pinouts.

Table 2 Network Port Connector Pinouts

Pin number

Function

1

BI_DA+

2

BI_DA-

3

BI_DB+

4

BI_DC+

5

BI_DC-

6

BI_DB-

7

BI_DD+

8

BI_DD-

Note   

BI stands for bidirectional, while DA, DB, DC and DD stand for Data A, Data B, Data C and Data D respectively.

Computer Port Connector

The following table describes the computer port connector pinouts.

Table 3 Computer (Access) Port Connector Pinouts

Pin number

Function

1

BI_DB+

2

BI_DB-

3

BI_DA+

4

BI_DD+

5

BI_DD-

6

BI_DA-

7

BI_DC+

8

BI_DC-

Note   

BI stands for bidirectional, while DA, DB, DC and DD stand for Data A, Data B, Data C and Data D respectively.