Cisco Systems 7921G manual Multi-Charger, Charging Times, Desktop Charger Configuration

Page 6

Multi-Charger

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

Table 3

Approximate Battery Charging Times for Desktop Charger

 

 

 

 

 

 

 

Charging Times

 

 

 

Desktop Charger Configuration

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

3 hours

4 hours

battery

 

 

 

 

 

 

 

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.

Cisco Unified Wireless IP Phone 7921G Accessory Guide

6

OL-11926-02

 

 

Image 6
Contents Cisco Unified Wireless IP Phone 7921G Accessory Guide Battery Types AC Power SupplyType Technology Talk Time Standby Time Battery Part Numbers Power Supply Standard Hours ExtendedProcedure Desktop Charger with SpeakerphoneDesktop Charger with Speakerphone Multi-Charger Desktop Charger ConfigurationExtended Battery Charging TimesCharging Configuration Charging Time Lock Set for PhoneProcedure Headsets Carry Cases Holster Carry CaseLeather Carry Case Shoulder Strap for Carry Case Protective Cover Cases USB CablesPhone to A-Type 48-Inch USB Cable Part Numbers for Accessories Phone Accessories Part NumberStandard A-Type to B-Type 48-Inch USB Cable Guidelines for Using Accessories and the Phone Related DocumentationCisco Product Security Overview
Related manuals
Manual 120 pages 51.11 Kb Manual 106 pages 15.8 Kb

7921G specifications

The Cisco Systems 7921G is a notable wireless VoIP phone designed specifically for business environments. It enhances communication capabilities by merging the advantages of Voice over Internet Protocol (VoIP) with the mobility of wireless technology. The 7921G caters to the needs of enterprises that require reliable connectivity and flexibility.

One of the standout features of the Cisco 7921G is its ergonomic design, which includes a large color display screen that enhances usability. The phone's intuitive interface allows users to navigate through menus effortlessly. Additionally, the device supports a wide range of languages, making it a suitable option for global enterprises.

Technically, the 7921G operates on the IEEE 802.11b/g wireless standards, which ensures compatibility with existing Wi-Fi networks. It employs advanced security protocols such as WPA and WPA2 to safeguard communications against unauthorized access. This is critical for organizations where data security is a top priority.

The device supports a range of advanced telephony features, including call hold, transfer, and three-way conferencing. These features facilitate effective collaboration among team members, regardless of their physical locations. The 7921G also includes support for XML-based applications, enabling custom business applications to be integrated seamlessly.

Battery life is another essential characteristic of the Cisco 7921G. It comes equipped with a rechargeable battery that provides sufficient talk time for a busy workday. Furthermore, the phone features Energy Efficient Ethernet, enhancing power management and reducing overall operational costs.

Audio quality is paramount in any VoIP device, and the 7921G excels in this area with wideband audio technology. This ensures crystal-clear voice clarity, allowing for more natural conversations. In addition, the integration of advanced noise-cancellation technology minimizes background distractions, making conversations more focused and productive.

Moreover, the Cisco 7921G is designed to integrate seamlessly with Cisco Unified Communications Manager, providing IT departments with a unified management experience for VoIP deployment. The combination of features, technologies, and characteristics makes the Cisco 7921G a valuable asset for businesses seeking to improve their communication solutions, offering a balance of mobility, functionality, and security.