Cisco Cisco IP Phone 8841 Designanleitung
Cisco IP Phone 8861 and 8865 Wireless LAN Deployment Guide
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Data Rates
It is recommended to disable rates below 12 Mbps for 5 GHz deployments and below 12 Mbps for 2.4 GHz deployments where
capacity and range are factored in for best results.
The Cisco IP Phone 8861 and 8865 both have a single antenna, therefore it supports up to MCS 7 data rates for 802.11n (up t to
150 Mbps) and up to MCS 9 data rates for 802.11ac (up to 433 Mbps).
Higher MCS rates can be left enabled for other 802.11n/ac clients, which are utilizing the same band frequency and utilize
MIMO (multiple input / multiple output) antenna technology, which can take advantage of those higher rates.
If 802.11b clients are not allowed in the wireless network, then it is strongly recommended to disable the data rates below 12
Mbps. This will eliminate the need to send CTS frames for 802.11g/n protection as 802.11b clients can not detect these OFDM
frames.
capacity and range are factored in for best results.
The Cisco IP Phone 8861 and 8865 both have a single antenna, therefore it supports up to MCS 7 data rates for 802.11n (up t to
150 Mbps) and up to MCS 9 data rates for 802.11ac (up to 433 Mbps).
Higher MCS rates can be left enabled for other 802.11n/ac clients, which are utilizing the same band frequency and utilize
MIMO (multiple input / multiple output) antenna technology, which can take advantage of those higher rates.
If 802.11b clients are not allowed in the wireless network, then it is strongly recommended to disable the data rates below 12
Mbps. This will eliminate the need to send CTS frames for 802.11g/n protection as 802.11b clients can not detect these OFDM
frames.
When 802.11b clients exist in the wireless network, then an 802.11b rate must be enabled and only an 802.11b rate can be
configured as a mandatory / basic rate.
The recommended data rate configurations are the following:
configured as a mandatory / basic rate.
The recommended data rate configurations are the following:
802.11 Mode
Mandatory
Data Rates
Supported
Data Rates
Disabled
Data Rates
802.11a/n/ac
12 Mbps
18-54 Mbps,
VHT MCS 1 - MCS 9
VHT MCS 1 - MCS 9
6, 9 Mbps,
VHT MCS 0
VHT MCS 0