Cisco aironet 2800 series Guida di riferimento rapido
Choosing the Right Access Point
•Models, page 1
•Part Numbers and Descriptions , page 2
•Supported Code Versions Compatible with AP 2800 and AP 3800 , page 3
•Differences between the AP 2800 and AP 3800 Access Points, page 3
•Feature Differences, page 6
•Ports on the AP 2800 and AP 3800 , page 7
•Modularity and Smart Antenna Connector Ports , page 8
Models
The Cisco 2800 and 3800 Series Access Points target customers requiring support for mission-critical and
best in class applications. The 2800/3800 embodies ClientLink 4.0, an innovative antenna technology comprising
four transmit radios and four receive radios called 4x4 in a Multiple Input Multiple Output (MIMO)
configuration and supporting three spatial streams (3SS), together referenced as 4x4:3. Using this type of
antenna system along with additional Modulation Coding Scheme (MCS) rates supporting up to 256 QAM
and up to 160 MHz channel bonding, rates of up to 5 Gbps can be supported.
Cisco Aironet Series 2800/3800 Access Point Deployment Guide
1
ClientLink 4.0 uses these features along with an additional antenna (N+1) to allow for beam-forming for all
802.11a/g/n/ac and now ac Wave-2 clients including those supporting 3 spatial streams.
Figure 1: Access Point Portfolio Placement
Access points are available in three models:
•Internal antennas version labeled “i”that has captured antennas (part of the housing and not removable).
The “i”series is designed for indoor Enterprise installations where office aesthetics are a primary concern.
•External antennas version labeled “e”that is more rugged and designed for industrial use in locations
such as hospitals, factories, and warehouses, anywhere a need exists for external antennas and/or extended
operating temperatures. The “e”version also supports mounting inside NEMA enclosures for use in the
most demanding environments.
•Access points for professional install are labeled “p”series and may be used in outdoor applications.
Part Numbers and Descriptions
DescriptionSKU
Single Unit; Internal Antenna ModelAIR-AP3802I-x-K9
10 pack; Internal Antenna ModelAIR-AP3802I-xK910
Single Unit; External Antenna ModelAIR-AP3802E-x-K9
10 pack; External Antenna ModelAIR-AP3802E-xK910
Single Unit; Internal Antenna Model; ConfigurableAIR-AP3802I-x-K9C
10 pack; Internal Antenna Model; ConfigurableAIR-AP3802I-xK910C
Cisco Aironet Series 2800/3800 Access Point Deployment Guide
2
Choosing the Right Access Point
Part Numbers and Descriptions
DescriptionSKU
Single Unit; External Antenna Model; ConfigurableAIR-AP3802E-x-K9C
10 pack; External Antenna Model; ConfigurableAIR-AP3802E-xK910C
Supported Code Versions Compatible with AP 2800 and AP 3800
The minimum versions supporting the AP 2800 and 3800 are:
•Wireless LAN Controller (WLC) AirOS release 8.2MR1
•Polaris release 16.3
•Prime release 3.1MR1
•MSE or CMX 10.2.2
•ISE 2.0
Differences between the AP 2800 and AP 3800 Access Points
The mechanical front of the AP 2800 and AP 3800 are nearly identical in physical appearance.
Figure 2: AP 2800 and AP 3800 (I and E) versions
Cisco Aironet Series 2800/3800 Access Point Deployment Guide
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Choosing the Right Access Point
Supported Code Versions Compatible with AP 2800 and AP 3800
The AP 3800 is also available in a "P" version. The external antenna "E" versions permit antenna gains up to
6 dBi, "P" version up to 13 dBi.
Figure 3: AP 2800/3800
There are slight differences in the weight and thickness of the 2800 and 3800. The AP 3800 is a bit more
robust as it has support for mGig (NBASE-T) and optional module support. AP 2800 on left is smooth and
does not have heat fins.
Figure 4: AP 2800/3800 Dimensions
Cisco Aironet Series 2800/3800 Access Point Deployment Guide
4
Choosing the Right Access Point
Differences between the AP 2800 and AP 3800 Access Points
Depending on the model the thickness changes slightly.
Figure 5: AP 2800 and AP 3800 dimensions
The weight is slightly different between the models.AP 3800 both “E”and “P”versions as well as the
2800e is 2.1 kg.AP 3800i is 2.0 kg. AP 2800i is 1.6 kg.
Note
Both products use the same brackets as 2700/3700 2700/3700 Series Access Points–AIR-AP-BRACKET1
and AIR-AP-BRACKET-2.
Cisco Aironet Series 2800/3800 Access Point Deployment Guide
5
Choosing the Right Access Point
Differences between the AP 2800 and AP 3800 Access Points
Feature Differences
Here is a basic feature comparison:
Figure 6: Feature comparisons of 2800 and 3800 series
Cisco Aironet Series 2800/3800 Access Point Deployment Guide
6
Choosing the Right Access Point
Feature Differences
Ports on the AP 2800 and AP 3800
The AP 2800 is similar to the AP 3800 but lacks a local power supply input and mGig PoE port. Additionally,
the USB port is mounted sideways.
Figure 7: Ports on 2800 series
Figure 8: Ports on 3800 series
The AP 3800 has a local power supply jack on the right; This is a new style connector and is not compatible
with the older AIR-PWR-B power supplies used with the AP 2700 and AP 3700 series. For more on this
connector, see the powering section for details.
Cisco Aironet Series 2800/3800 Access Point Deployment Guide
7
Choosing the Right Access Point
Ports on the AP 2800 and AP 3800
In addition there is an mGig port as well as a port for external modules on the AP 3800.
Figure 9: External module port on the 3800 series
Modularity and Smart Antenna Connector Ports
The AP 3800 has modularity support that is a bit different from the original module design on the prior AP
3600 and AP 3700 series. This module design allows for installation onto the side of the access point. This
allows for larger antenna arrays and does not constrict the development of Cisco and potentially third party
modules as they are no longer limited by the physical size of the cccess point. Additionally, filtering is installed
on the AP 3800 for cellular and other radio coexistence.
The external antenna connectors on the "E" and "P" series are identical to the antenna connectors on previous
access points. There is no difference in operation when the access point is used in dual band (2.4 and 5 GHz)
operation. which is the default mode. RF coverage and cell sizes are similar to the previous AP 2700 and 3700
series so there is no need to do a new site survey.
Unlike the prior external antenna versions, the new 2800 and 3800 series Access Points now support the
capability of dual 5–GHz operation. When in this mode, a smart antenna connector must be used on the
external antenna models, as the additional 5–GHz radio cannot use the same top antennas on the access point
that are being used by the primary 5–GHz radio.
Cisco Aironet Series 2800/3800 Access Point Deployment Guide
8
Choosing the Right Access Point
Modularity and Smart Antenna Connector Ports
When a smart antenna connector is installed, the XOR radio (the radio that is defined in software as Radio 0)
now has its RF switched to the smart antenna connector.
Figure 10: External connector ports on AP 2800e and 3800e
Cisco Aironet Series 2800/3800 Access Point Deployment Guide
9
Choosing the Right Access Point
Modularity and Smart Antenna Connector Ports
Cisco Aironet Series 2800/3800 Access Point Deployment Guide
10
Choosing the Right Access Point
Modularity and Smart Antenna Connector Ports
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