Cisco 7921G - Unified Wireless IP Phone VoIP Bedienungsanleitung

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Cisco Unified Wireless IP Phone 7921G

Accessory Guide

This guide describes the accessories that you can order for your Cisco Unified Wireless IP Phone 7921G.

This document contains these sections:

•Battery Types, page 2

•AC Power Supply, page 2

•Desktop Charger with Speakerphone, page 4

•Multi-Charger, page 6

•Lock Set for Phone, page 7

•Headsets, page 9

•Carry Cases, page 10

•Protective Cover Cases, page 13

•USB Cables, page 13Part Numbers for Accessories, page 14

•Related Documentation, page 15

•Obtaining Documentation, Obtaining Support, and Security Guidelines, page 16

Cisco Unified Wireless IP Phone 7921G Accessory Guide

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Battery Types

Table 1 describes the battery types for the Cisco Unified Wireless IP Phone 7921G. Refer to the Cisco

Unified Wireless IP Phone 7921G Guide for instructions on installing your battery.

Caution Use only Cisco supplied batteries with the Cisco Unified Wireless IP Phone 7921G.

AC Power Supply

The power supply with AC plug adapter shown in Figure 1 enables you to quickly charge your phone

battery. To use the power supply, first insert the appropriate AC plug adapter, then plug the power supply

into a wall outlet, and insert the connector into the base of your Cisco Unified Wireless IP Phone 7921G.

You can use the phone while you are charging the battery.

Note If you have a desktop charger, you do not need a phone power supply to charge your phone, too.

Table 1 Battery Types for the Cisco Unified Wireless IP Phone 7921G

Type Technology Talk Time Standby Time Battery Part Numbers

Standard

(firmware

releases prior to

1.0(4))

Lithium ion Up to 10 hours Up to 80 hours CP-BATT-7921G-STD=

Standard

(firmware

release 1.0(4)

and later)

Lithium ion Up to 11.5 hours Up to 150 hours CP-BATT-7921G-STD=

Extended

(firmware

releases prior to

1.0(4))

Lithium ion Up to 12 hours Up to 100 hours CP-BATT-7921G-EXT=

Extended

(firmware

release 1.0(4)

and later)

Lithium ion Up to 15.5 hours Up to 200 hours CP-BATT-7921G-EXT=

Cisco Unified Wireless IP Phone 7921G Accessory Guide

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AC Power Supply

Figure 1 AC Power Supply

Table 2 provides approximate battery charging times for the two battery types and power supply

configurations. You can check the battery charging state on the phone display.

Caution Use only Cisco specified AC power supplies for the Cisco Unified Wireless IP Phone 7921G.

1AC plug adapter—Insert into slot on power supply.

2AC power supply—Insert into AC outlet.

3Phone connection—Insert into slot at bottom of phone.

4Indicator LED—LED is red while battery is charging and turns green when

battery is charged.

Table 2 Approximate Battery Charging Times

Battery Type

Power Supply

Connected to Phone

Power Supply Connected

to Desktop Charger

Phone Connected to Computer

with USB Cable

Standard 2 hours 2 hours 5 hours

Extended 3 hours 3 hours 7 hours

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Desktop Charger with Speakerphone

You can use the desktop charger, as shown in Figure 2, to charge both the phone battery installed in the

phone and a spare battery at the same time. In addition, the desktop charger is a speakerphone when the

phone is docked in the charger.

To use the desktop charger, see Figure 2 and follow these steps:

Procedure

Step 1 Plug the power supply with AC plug adapter into a wall outlet.

Step 2 Insert the connector plug into the back of the desktop charger.

The power LED on the desktop charger is green.

Step 3 Place the Cisco Unified Wireless IP Phone 7921G in the upper compartment of the charger and look for

the “AC connected!” message on the phone screen.

The phone starts charging.

Step 4 Press down on the top of the phone and look for the “Docking connected!” message on the phone screen

and the docked icon in the phone status line. The phone is connected to the desktop charger speaker and

microphone for speakerphone operation.

Step 5 Optional—You can also insert a spare battery into the lower slot. The battery LED is red while charging

the battery and turns green when the battery is fully charged.

Note You can insert and charge both the phone and a spare battery at the same time, or you can insert

and charge them separately.

While charging the Cisco Unified Wireless IP Phone 7921G, you can use the Cisco Unified Wireless IP

Phone 7921G web pages to import or export settings. You must connect the desktop charger to your

computer with the standard USB A-type to B-type cable. For more information, see “USB Cables”

section on page 13.

To remove the phone from the desktop charger, tilt the phone forward about 30 degrees, then remove it

from the compartment. Proper removal insures that the connectors will work reliably.

Note If you have a desktop charger, you do not need a phone power supply to charge your phone.

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Desktop Charger with Speakerphone

Figure 2 Desktop Charger with Speakerphone

1Power connector—Plugs into the back of the

charger

6Speaker—For speakerphone mode

2AC power supply—Plugs into wall outlet 7Microphone—Single direction internal

microphone for speakerphone mode

3Upper compartment—For charging the phone 8Lock hole—For inserting a cable lock

4Spare battery LED indicator—Red light

indicates battery is charging; green light

indicates battery is fully charged

9USB connector—For B-type USB connector on

cable that connects the phone to a computer

5Power LED indicator—Green light indicates

desktop charger has power

10 Lower slot—For charging the battery

Cisco Unified Wireless IP Phone 7921G Accessory Guide

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Multi-Charger

Table 3 provides the approximate charging times for the standard battery with these desktop charger

configurations.

Multi-Charger

The multi-charger, as shown in Figure 3, can charge up to six phones and up to six batteries at the same

time. You can place the multi-charger on a desk or mount it on the wall to save space.

To use the multi-charger, see Figure 3 and follow these steps:

Procedure

Step 1 Install and power the multi-charger by following the instructions in the installation guide that

accompanies the multi-charger.

Step 2 Insert a phone into the upper compartment and the LED indicator turns red.

Step 3 Insert a spare battery into the lower compartment and the LED indicator turns red.

Step 4 When the LED indicator turns green, the battery is charged and you can remove the phone or battery.

Table 3 Approximate Battery Charging Times for Desktop Charger

Desktop Charger Configuration

Charging Times

Standard Battery Extended Battery

Spare battery only 2 hours 3 hours

Battery installed in the phone with phone powered on 3 hours 4 hours

Battery installed in the phone (powered on) and a spare

battery

3 hours 4 hours

Cisco Unified Wireless IP Phone 7921G Accessory Guide

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Lock Set for Phone

Figure 3 Multi-Charger

Table 4 provides approximate battery charging times for various multi-charger configurations.

Note Separate AC power cords for use outside of the United States are available for the multi-charger power

supply.

Lock Set for Phone

The lock set, as shown in Figure 4 includes the cable, the C-ring, and the combination lock.

To install the lock on the phone, see Figure 4 and follow these steps:

1Upper compartment—For phone 3LED indicators—Indicate charging status

2Lower compartment—For spare battery

185440

Table 4 Battery Charging Time and Multi-Charger Charging Configurations

Charging Configuration Charging Time

Standard battery in lower compartment 3.5 hours

Extended battery in lower compartment 5 hours

Standard battery installed in the phone with phone powered on 3 hours

Extended battery installed in the phone with phone powered on 4.5 hours

Cisco Unified Wireless IP Phone 7921G Accessory Guide

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Lock Set for Phone

Procedure

Step 1 Put the cable (with loops at each end) around a post or cable that is used to lock your computer.

Step 2 Put the two loops at the ends of the cable in the C-ring.

Step 3 Insert the C-ring in the slot on the back of the phone.

Step 4 Using the combination lock, fasten the two ends of the C-ring together.

The phone is now secure.

In addition, you can secure the Cisco Unified Wireless IP Phone 7921G Desktop Charger using a laptop

cable lock. The lock connects to the security slot on the side of the desktop charger and the cable can be

secured to a desktop. Figure 4 shows where to insert the lock.

The security slot can accommodate a lock up to 20 mm. Compatible laptop cable locks include the

Kensington® laptop cable lock and other manufacturer’s cable locks that fit into the security slot on the

left side of the desktop charger.

Note Cisco does not supply a laptop cable lock; you must purchase a cable lock from your local electronics

supply source.

Cisco Unified Wireless IP Phone 7921G Accessory Guide

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Headsets

Figure 4 Lock Set for Phone

Headsets

The Cisco Unified Wireless IP Phone 7921G requires a 2.5 mm, 3-band / 4 conductor plug headset or

ear bud. The audio portion of a headset must sound good to the user and to the party on the far end. Sound

is subjective and Cisco cannot guarantee the performance of any headsets, but some of the headsets on

the site listed below have been reported to perform well on Cisco Unified Wireless IP Phones.

1Security cable—Insert cable loops through the C-ring.

2C-ring—Insert C-ring with cable loops through slot on back of phone.

3Combination lock—Use lock to secure ends of C-ring around cable loops

and phone.

4Cable lock—Use standard cable lock to secure desktop charger.

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Cisco Unified Wireless IP Phone 7921G Accessory Guide

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Carry Cases

It is the customer's responsibility to test this equipment in their own environment to determine suitable

performance.

For information about headsets, see:

http://www.plantronics.com

http://www.jabra.com

Carry Cases

Carry cases make it easy to keep the Cisco Unified Wireless IP Phone 7921G with you and provide some

protection for the phone. These two types of carry cases are available for the phone.

•Holster Carry Case, page 10

•Leather Carry Case, page 11

In addition, a shoulder strap for use with the leather carry case is available. See the “Shoulder Strap for

Carry Case” section on page 12.

Holster Carry Case

The holster carry case, shown in Figure 5, is a hard plastic case that holds the phone. The holster case

has a clip on the back that rotates 180 degrees. Use the clip to secure the phone to a belt or pocket.

Figure 5 Holster Carry Case

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