Cisco Unified IP Phone 7941G, 7941G-GE, 7942G, 7961G, 7961G-GE, and 7962G 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 Phones.

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 in. (20.32 cm)

Width

10.5 in. (26.67 cm)

Depth

6 in. (15.24 cm)

Weight

3.5 lb (1.6 kg)

Cables

Category 3, 5, and 5e for 10-Mbps cables with 4 pairs

Category 5 and 5e for 100-Mbps cables with 4 pairs

Category 5e and 6 for 1000-Mbps cables with 4 pairs

Note   

Cables have 4 pairs of wires for a total of 8 conductors.

Distance Requirements

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).

Cisco Unified IP Phone 7942G and 7962G 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

Cisco Unified IP Phone 7941G, 7941 G-GE, 7961G, and 7961G-GE Power

  • 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)

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 on the Cisco Unified IP Phones 7941G, 7942G, 7961G, and 7962G
    • labeled 10/100/1000 SW on the Cisco Unified IP Phones 7941G-GE and 7961G-GE.
    • labeled 10/100/1000 PC on the Cisco Unified IP Phones 7941G-GE and 7961G-GE.
  • RJ-45 jack for a second 10/100BaseT compliant connection
    • labeled 10/100 PC on the Cisco Unified IP Phones 7941G, 7942G, 7961G, and 7962G
    • labeled 10/100/1000 PC on the Cisco Unified IP Phones 7941G-GE and 7961G-GE.
  • 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.