Allied Telesis AT-PC232/POE manual Back-to-Back Topology

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Chapter 1: Overview

Back-to-Back Topology

In some network configurations you may want to interconnect two AT- PC232/POE Media Converters in what is referred to as a back-to-back topology. In this topology, the AT-PC232/POE Media Converters not only extend the distance of your network but also converts the fiber optic cable from twisted pair to fiber optic and back again. Figure 5 illustrates one AT-9424T switch at campus 1 and one AT-WA7400 Wireless Access Point on campus 2. The switch and access point are interconnected by two AT-PC232/POE Media Converters which provide a connection of up to 2 kilometers (1.24 miles). The 10/100Base-TX twisted pair ports on the AT-PC232/POE Media Converters are connected to the SC ports on the switches, while the 100Base-FX ports on the two AT-PC232/POE Media Converters are directly connected to each other.

Note

When using two AT-PC232/POE Media Converters back-to-back, you must set both AT-PC232/POE Media Converters to the same mode. For example, the first AT-PC232/POE Media Converter is set to Smart MissingLink mode, so the second media converter must also be set to Smart MissingLink mode.

Campus 1: AT-9424T

AT-9424T Gigabit Ethernet Switch

100 m (328 ft) maximum

 

 

 

 

 

 

 

 

AT-PC232/POE

AT-PC232/POE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2km (1.2 mi) maxiimum

Multi-mode

Fiber Optic

Twisted Pair

1377

Campus 2: AT-WA7400 AP

Figure 5. Back-to-Back Topology

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Contents Installation Guide Page Electrical Safety and Emissions Standards Translated Safety Statements Contents Page Figures Figures Tables Tables Preface Safety Symbols Used in this Document Symbol Meaning DescriptionWhere to Find Web-based Guides Management Software Updates Contacting Allied TelesisOverview ChapterIntroduction AT-PC232/POE Front PanelKey Features Maximum Distance Type of Connector Port Speed Duplex Mode10/100Base-TX Twisted Pair Port Type of Cabling Auto MDI/MDI-X Port Pinouts 100Base-FX Fiber Optic Port Optical Receiver SensitivityLink Test Mode MissingLink Mode Operating ModesSmart MissingLink Mode Setting the Operating Mode Power over Ethernet Power Budgeting Implementation Minimum Power Maximum Power ClassLEDs Color DescriptionAuto Operating Mode LEDs PoE PWR LEDsDIP Switches Few Basics about Ethernet Switching MAC Address Table Store ForwardNetwork Topologies Standalone TopologyBack-to-Back Topology Back-to-Back TopologyInstallation Verifying the Package Contents Planning the Installation MaximumSpeed Type of Cable Speed Cable TypeReviewing the Safety Guidelines Selecting a SiteAT-PC232/POE Media Converter Installation Guide Installation Desktop Installation Wall-Mount Installation Positioning the Switch onto the Wall ScrewsCabling the Ports Cabling the Fiber Optic PortsConnecting to the Copper Port AT-PC232/POE Media Converter Installation Guide Configuring the DIP Switches Port Function Position Description SwitchInstalling the Power Cord Retaining Clip Inserting the Retaining Clip into the Retaining BracketApplying AC Power Connecting the AC Power Cord240 Verifying the Installation Troubleshooting Troubleshooting AT-S63 Web Browser User’s Guide for AT-9400 Stacks Troubleshooting Section II Advanced Operations Technical Specifications TemperatureAppendix a Physical10/100Base-TX Port Pinouts Pin SignalAgency Certifications 100Base-FX Port Specifications Property ValueChapter Technical Specifications Cleaning Fiber Optic Connectors Appendix BUsing a Cartridge-Type Cleaner 102 Using a Swab 157 Appendix B Cleaning Fiber Optic Connectors

AT-PC232/POE specifications

Allied Telesis AT-PC232/POE is a versatile and robust power-over-Ethernet (PoE) switch that effectively meets the needs of small to medium-sized networks. Designed for user-friendly operation and scalability, this switch caters to the increasing demand for power and data connectivity in various environments, from small offices to larger enterprise applications.

One of the main features of the AT-PC232/POE is its capability to deliver both data and electrical power over a single Ethernet cable. This functionality simplifies installations of network devices such as IP cameras, VoIP phones, and wireless access points, reducing cabling costs and improving site aesthetics. The switch can supply up to 15.4 watts of power per port, adhering to the IEEE 802.3af PoE standard. This enables straightforward connection to devices without needing additional power sources, making it a convenient choice for businesses looking to streamline their operational efficiency.

In terms of design, the AT-PC232/POE is compact and rack-mountable, allowing for efficient use of space in server rooms and network closets. Its fanless operation ensures quiet performance, making it suitable for noise-sensitive environments. The switch is also equipped with LED indicators that provide at-a-glance updates on power status, network activity, and port statistics.

The AT-PC232/POE utilizes advanced networking technologies such as VLAN (Virtual Local Area Network) support and QoS (Quality of Service). VLAN support allows network administrators to segment network traffic for better performance and security, while QoS capabilities prioritize critical data packets, ensuring that important applications such as video conferencing and VoIP operate smoothly without interruption.

Another significant characteristic of this switch is its management capabilities. Allied Telesis provides a web-based graphical user interface (GUI) for easy configuration and monitoring, allowing administrators to quickly set up networks and troubleshoot issues. Security features such as port security and access control lists help prevent unauthorized access and ensure that the network remains secure.

In summary, the Allied Telesis AT-PC232/POE switch combines efficient power delivery with sophisticated networking features, making it an excellent choice for businesses looking to enhance their network infrastructure. Its compact design, ease of use, and management capabilities position it as a reliable solution for modern networking demands.
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