Cisco Aironet 1520 Series Specifikace stáhnout pdf (Strana 20)

REVIEW DRAFT—CISCO CONFIDENTIAL

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Cisco Aironet 1520 Series Outdoor Mesh Access Point Hardware Installation Guide

OL-11321-08

Chapter 2 Cisco Aironet 1100 Series Access Points

Channels

AIR-LAP1121G IEEE 802.11g (2.4-GHz Band)

The channel identifiers, channel center frequencies, and regulatory domains of each IEEE 802.11g

22-MHz-wide channel are shown in

Table 2-2.

Note Mexico is included in the Americas (-A) regulatory domain; however, channels 1 through 8 are for

indoor use only while channels 9 through 11 can be used indoors and outdoors. Users are responsible for

ensuring that the channel set configuration is in compliance with the regulatory standards of Mexico.

Ta b l e 2-1 Channels for IEEE 802.11g

Channel

Identifier

Center

Frequency

(MHz)

Regulatory Domains

Americas (-A) EMEA (-E) Japan (-J)

CCK OFDM CCK OFDM CCK OFDM

1 2412 X X X X X X

2 2417 X X X X X X

3 2422 X X X X X X

4 2427 X X X X X X

5 2432 X X X X X X

6 2437 X X X X X X

7 2442 X X X X X X

8 2447 X X X X X X

9 2452 X X X X X X

10 2457 X X X X X X

11 2462 X X X X X X

12 2467 – – X X X X

13 2472 – – X X X X

14 2484 – – – – X –

1 2 ... 15 16 17 18 19 20 21 22 23 24 25 ... 127 128

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Cisco Aironet 1520 Series Specifikace Strana 20