Cisco Aironet Access Point Deployment Guide

External Antenna Deployments

All Cisco antenna connectors are labeled A, B, C, and so on. A has a higher priority than B, C, or D; therefore, if the access point supports say three or four antennas and you only have two antennas, use ports A and B until you could install the additional antennas.

It is possible to support 802.11a/b/g clients or single spatial stream N clients with only one or two antennas. Cisco does not recommend this because there is a significant degradation of performance, and ClientLink functionality is lost. If you choose to use fewer antennas, configure the access point in software to not use the other antennas.

Note: The entry‐level AP 1600 has three antenna ports that are not configurable. The AP 2600/3600 has four configurable antenna ports, with one extra transceiver (receiver/transmitter) per band.

MIMOs (dual‐radiating element antennas) include:

AIR‐ANT2524V4C‐R – AIR‐ANT2544V4M‐R – AIR‐ANT2566P4W‐R –

Dual‐band omnidirectional

– 2/4 dBi ceiling mount omni use

Dual‐band omnidirectional

–

4/4 dBi wall mount omni use

Dual band directional

–

6 dBi patch wall mount use

For MIMOs, it is not critical which antenna lead goes into which antenna port on the access point, as long as all the antenna ports on the AP are connected to the antennas. The patch antenna AIR‐ ANT2566P4W‐R has the elements spaced side by side in the plastic housing, so there is a slight improvement if you use the outer two elements on the patch on ports A and B (see Figure 46), but this is not critical. On the AP 1600, port A is spaced furthest from B and C for best diversity, as shown in Figure 47.

Figure 46: 6 dBi Patch Antenna

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Cisco Systems AP3600, AIRCAP1602EAK9, 3602i, AP2600, AP1600 manual External Antenna Deployments, DBi Patch Antenna
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AP3600, AIRCAP1602EAK9, 1602E, 3602i, 1600 specifications

Cisco Systems 1600 series routers are well-regarded in the networking industry for their reliability, versatility, and performance. Designed to meet the needs of small to medium-sized businesses, the Cisco 1600 series is primarily oriented towards providing robust connectivity for branch offices and remote sites.

One of the most significant features of the Cisco 1600 series is its modular architecture. This allows users to customize their routers with various interface cards, enabling support for different types of WAN technologies, including serial, ISDN, and Frame Relay. The modular design not only enhances flexibility but also extends the lifespan of the equipment, as businesses can upgrade their capacity and functionalities according to evolving demands.

Another key characteristic of the Cisco 1600 routers is their advanced routing capabilities. These devices support a wide range of routing protocols, including RIP, OSPF, EIGRP, and BGP. This versatility ensures seamless integration into existing network infrastructures, facilitating the scalability and adaptability that modern networks require.

Security is also a crucial aspect of the Cisco 1600 series. Incorporating features such as access control lists (ACLs) and support for Virtual Private Networks (VPNs), these routers help businesses safeguard their sensitive data during transmission. Enhanced security features allow companies to implement secure remote access for employees, thereby maintaining productivity without compromising safety.

In addition to routing and security, the Cisco 1600 series boasts Quality of Service (QoS) capabilities. This technology enables better management of network traffic, ensuring that critical applications receive the bandwidth they need for optimal performance. By prioritizing important data flows, businesses can enhance user experience and minimize disruptions across their network.

The Cisco 1600 series routers are also equipped with user-friendly interfaces and management tools. Cisco's IOS software platform provides a command-line interface (CLI) and web-based graphical interface for straightforward configuration and monitoring. This simplifies network management tasks and reduces the learning curve for IT personnel.

In summary, the Cisco Systems 1600 series routers offer a significant combination of modularity, robust routing protocols, enhanced security measures, Quality of Service features, and user-friendly management options. These characteristics make them an excellent choice for small to medium-sized enterprises looking to establish a reliable and secure networking infrastructure. With the continued evolution of networking technologies, the Cisco 1600 series stands as a dependable solution for businesses navigating an increasingly complex digital landscape.
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