Description

Store and Forward

The AT-FS20x switches support store and forward switching at Fast Ethernet full-wire speed in 100 Mbps, half- or full-duplex mode. Packets entering each port are stored in buffers. Once the packet is received, the switch forwards or discards the packet, depending on its destination address and error status.

This ensures that only error-free packets destined for another segment are transferred across the switch, reducing the network load. For example, if the packet entering from Port 1 is destined for an end-node on Port 2, the switch forwards the frame as long as the frame does not contain any errors. If the packet from Port 1 is destined for an end-node also connected to Port 1, the packet is discarded.

The switch discards CRC errors, misaligned, runt, and under or oversized packets. When the packet has dribble bits at the end, the switch truncates to the octet boundary and checks for a good CRC before forwarding.

External AC/DC Power Adapter

The power adapter supplies 12V DC to the switch. Allied Telesyn supplies an approved safety compliant AC power adapter for the 100 and 240V AC versions with an unregulated output of 12V DC.

Network Topologies

This section provides an illustration of a typical network topology with an AT-FS202 Series switch.

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IBM AT-FS202SC/FS3, AT-FS202SC/FS2, AT-FS202SC/FS4, AT-FS202SC/FS1, AT-FS201 manual Network Topologies, Store and Forward

AT-FS202, AT-FS202SC/FS3, AT-FS201, AT-FS202SC/FS1, AT-FS202SC/FS4 specifications

The IBM AT-FS202 series includes a range of compact Ethernet switches designed to meet the needs of evolving network environments. These models, namely the AT-FS202SC/FS4, AT-FS202SC/FS2, AT-FS202, AT-FS202SC/FS3, and AT-FS201, offer a blend of performance, flexibility, and reliability tailored for small to medium-sized networks or edge installations.

One of the standout features across these models is their support for both copper and fiber connectivity. The AT-FS202SC series specifically supports various transceiver options, allowing network administrators to choose the appropriate media type for their deployments. This versatility ensures that organizations can utilize their existing infrastructure while preparing for future upgrades.

In terms of performance, these switches provide wire-speed forwarding, enabling seamless data transfer and minimizing latency. With auto-sensing ports, they automatically detect the connected device and adjust to the necessary speed, whether it be 10/100/1000 Mbps. This ensures efficient operation within diverse environments, accommodating both legacy and modern devices without compromising on speed.

Security is an essential consideration for any network equipment, and the IBM AT-FS202 series is no exception. The switches include features such as port-based authentication and support for VLANs, which enhance network segmentation and isolate traffic flows. These security measures help protect sensitive data and restrict access to unauthorized users.

Management capabilities are another significant characteristic of the AT-FS202 series. These switches come equipped with management interfaces that allow for configuration, monitoring, and troubleshooting. The ability to manage network traffic effectively aids in sustaining optimal performance and quick resolution of potential issues.

Power consumption is optimized across the IBM AT-FS202 series, ensuring that deployment of these switches aligns with energy efficiency goals. This is particularly beneficial for businesses concerned with operational costs and environmental impact.

Overall, the IBM AT-FS202SC/FS4, AT-FS202SC/FS2, AT-FS202, AT-FS202SC/FS3, and AT-FS201 are robust solutions suited for diverse networking needs. Their combination of flexible connectivity options, performance efficiency, security features, and management capabilities position them as valuable assets for network administrators looking to build a resilient infrastructure in today's dynamic technological landscape.