Instruction/ maintenance manual of the product 7921G Cisco Systems
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Americas Headquarters: © <year> Cisco Systems, Inc. All rights reserved. Cisco Systems, Inc., 170 West Tasman Drive, San Jose, CA 95134-1706 USA Cisco Unified Wireless IP Phone 7921G Accessory Guide This guide describes the accessories that you can order for your Cisco Unif ied W ireless IP Phone 7921G.
2 Cisco Unified Wireless IP Phone 7921G Accessory Guide OL-11926-02 Battery Types Battery Types Ta b l e 1 describes the battery types for the Cisco Un ifi ed W ireless IP Phone 7921G. Refer to the Cisco Unified W ir eless IP Ph one 7921G Guide f or instructions on inst alling your battery .
3 Cisco Unified Wireless IP Phone 7921G Accessory Guide OL-11926-02 AC Power Supply Figur e 1 AC P ow er Supply Ta b l e 2 provides appr oximate battery char ging time s for the tw o battery types an d po wer supply configurations. Y ou ca n chec k the battery charging stat e on the phone display .
4 Cisco Unified Wireless IP Phone 7921G Accessory Guide OL-11926-02 Desktop Charger with Spe akerphone Desktop Charger with Speakerphone Y ou can use the de sktop charger , as shown in Figure 2 , to charge both t he phone battery installed in the phone and a spare battery at the same time.
5 Cisco Unified Wireless IP Phone 7921G Accessory Guide OL-11926-02 Desktop Charger with Speak erphone Figur e 2 Desktop Char ge r with Speak er phone 1 Power connector—Plugs into the back of the ch.
6 Cisco Unified Wireless IP Phone 7921G Accessory Guide OL-11926-02 Multi-Charger Ta b l e 3 provides the ap proximate charg ing times for the standard bat tery with these desktop char ger configurations. Multi-Charger The multi-c harger , as sh own in Figure 3 , can charge up to six phones and up to si x batteries at the same time.
7 Cisco Unified Wireless IP Phone 7921G Accessory Guide OL-11926-02 Lock Set for Phone Figur e 3 Multi-Char ger Ta b l e 4 provides appr oximate battery char ging time s for v arious multi-char ger conf igurations. Note Separate A C power cords for use outside of the Uni t ed States are av ailable for the multi-charger power supply .
8 Cisco Unified Wireless IP Phone 7921G Accessory Guide OL-11926-02 Lock Set for Phone Procedure Step 1 Put the cable (with loops at each e nd) around a post or cable that is used to lock your computer . Step 2 Put th e two loop s at the ends of the cable i n the C-ring.
9 Cisco Unified Wireless IP Phone 7921G Accessory Guide OL-11926-02 Headsets Figur e 4 Lock S et for Phon e Headsets The Cisco Unif ied W ireless IP Phone 7921G requires a 2.5 mm, 3-band / 4 conducto r plug headset or ear bud. The au dio portion of a headset must sound goo d to the user and to the party on the f ar end.
10 Cisco Unified Wireless IP Phone 7921G Accessory Guide OL-11926-02 Carry Cases It is the customer's respon sibility to test this equ ipment in their o wn envi ronment to determine suitable performance. For information about headsets, see: http://www .
11 Cisco Unified Wireless IP Phone 7921G Accessory Guide OL-11926-02 Carry Cases Leather Carry Case The leather carry case, shown in Figure 6 , provides complete coverage for the phone. The clear plastic windo w allo ws you to view the screen and pro vides easy access to the keys and b uttons.
12 Cisco Unified Wireless IP Phone 7921G Accessory Guide OL-11926-02 Carry Cases Shoulder Strap for Carry Case A shoulder strap, shown in Figure 7 , is a vailable for carrying your Cisco Unif ied Wireless IP Phone 7921G. After remo ving the belt cli p from the back of the leath er carry case, you can sl ide the phone onto the holder .
13 Cisco Unified Wireless IP Phone 7921G Accessory Guide OL-11926-02 Protectiv e Cover Cases Protective Cover Cases Phone cover cases provide extra pro tection for th e phone in special en vironments such as these: Healthcare—Cover cases keep liquid s and other substances on hands from contami nating the phone.
14 Cisco Unified Wireless IP Phone 7921G Accessory Guide OL-11926-02 Part Numbers for Accessories Standard A-Type to B-Type 48-Inch USB Cable Y ou can use the stan dard A-type to B-type U SB cable, as sh own in Fig ure 9 , to connect your co mputer to a Cisco Unif ied W ireless IP Phone 7921G th at is in the desktop char ger .
15 Cisco Unified Wireless IP Phone 7921G Accessory Guide OL-11926-02 Guidelines for Using Accesso ries and the Phone Guidelines for Using Accessories and the Phone Follo w these guidelines when using .
16 Cisco Unified Wireless IP Phone 7921G Accessory Guide OL-11926-02 Obtaining Documentation, Obtaining Support, and Security G uidelines Obtaining Documentation, Obtaining Support, and Security Guide.
An important point after buying a device Cisco Systems 7921G (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Cisco Systems 7921G yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Cisco Systems 7921G - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Cisco Systems 7921G you will learn all the available features of the product, as well as information on its operation. The information that you get Cisco Systems 7921G will certainly help you make a decision on the purchase.
If you already are a holder of Cisco Systems 7921G, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Cisco Systems 7921G.
However, one of the most important roles played by the user manual is to help in solving problems with Cisco Systems 7921G. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Cisco Systems 7921G along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center