Rockwell Collins Inc. 8222210 Manuale Utente

Pagina di 134
D r a f t   1 A   -   C I S C O   C O N F I D E N T I A L
D-4
Cisco Aironet 1240AG Series Access Point Hardware Installation Guide
OL-7293-01
Appendix D      Channels and Power Levels
Channels and Maximum Power Levels
 indicates the channel identifiers, channel center frequencies, and maximum power levels for 
each IEEE 802.11a 20-MHz-wide channel allowed by the regulatory domains:
Table D-3
Channels and Maximum Conducted Power for IEEE 802.11a Radio with up to 9.5 dBi Antennas
Channel
Identifier
Center 
Frequency
(MHz)
Maximum Conducted Power Levels (dBm) in the Regulatory Domains
Americas
(–A)
China
(–C)
EMEA
1
(–
E)
1.
Indicates the power level settings shipped from the factory. You might need to reset the maximum power levels used with your external antennas (see 
Japan
(–J)
Japan
(–P)
South 
Korea (–K)
North 
America 
(–
N)
Singapore
(–S)
Taiwan
(–T)
Israel
1
(–I)
UNII-1 (5150-5250 MHz)
34
5170 
11
36
5180 11
17
11
15
11
14
17
38
5190 
11
40
5200 11
17
11
15
11
14
17
42
5210 
11
44
5220 11
17
11
15
11
14
17
46
5230 
11
48
5240 11
17
11
15
11
14
17
5250 to 5350 MHz
52
5260 17
17
8
17
17
11
17
56
5280 17
17
8
17
17
11
11
17
60
5300 17
17
8
17
17
11
11
17
64
5320 11
17
8
17
11
11
11
17
5470 to 5725 MHz
100
5500
17
17
17
17
104
5520
17
17
17
17
108
5540
17
17
17
17
112
5560
17
17
17
17
116
5580
17
17
17
17
120
5600
17
17
17
17
124
5620
17
17
17
17
128
5640
17
17
17
132
5660
17
17
17
136
5680
17
17
17
140
5700
17
17
17
5725 to 5850 MHz
149
5745
17
17
17
17
17
17
153
5765
17
17
17
17
17
17
157
5785
14
17
17
14
17
14
161
5805
11
17
17
11
17
11
165
5825