Zte ZXR10 - Configurations before Installation; Fig. 2.2-2 Channel Allocations between the Adjacent Aps in Actual Networking

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2-9
10 2,457 MHz 2446/2468 MHz
11 2,462 MHz 2451/2473 MHz
12 2,467 MHz 2456/2478 MHz
13 2,472 MHz 2461/2483 MHz
When multiple channels are working at the same time, the central frequency intervals
between two channels should not be less than 25 MHz to avoid mutual interference. As
shown in Fig. 2.2-1, the technology of direct sequence spread spectrum can support
three un-overlapped channels working simultaneously in a cell.
In the wireless LAN planning, the cellular coverage principle applied in the BTS
system is introduced in the channel allocation to ensure efficient coverage of the APs
and avoid inter-carrier interference. This principle supports three un-overlapped
channels (for example, channels 1, 6 and 11) working simultaneously in the same area,
as shown in Fig. 2.2-2.
AP
channel 6
AP
channel 6
AP
channel 6
AP
channel 1
AP
channel 11
AP
channel 11
AP
channel 11
Fig. 2.2-2 Channel Allocations between the Adjacent APs in Actual Networking
You should choose the working channels (generally channels 1, 6 and 11) for the
adjacent APs following the principle illustrated in Fig. 2.2-2, to guarantee normal
operation of the equipment in the wireless LAN.
2.2.2 Configurations Before Installation
Prior to install the W140A, power on the APs in turn and check whether they work
normally. If they fail to work normally, please check whether the versions are loaded
correctly. Refer to Section Error! Reference source not found. for details of loading a