2 About the CSX200

The CSX200 CyberSWITCH (Figure 2-1) is an access device that provides Ethernet Local Area Network (LAN) connectivity (via twelve RJ45 ports) for the small office, and offers high-speed Wide Area Network (WAN) access to a remote site, such as the Internet or an enterprise network. The CSX200 supports IEEE 802.1d transparent bridging, IP, and IPX routing, ISDN, Dynamic Host Configuration Protocol (DHCP), and Network Address Translation (NAT) routing between Ethernet LANs across a WAN.

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Figure 2-1 The CSX200 CyberSWITCH

CSX200 Hardware

This section details hardware features of the CSX200 CyberSWITCH.

WAN Connection

The CSX200 supports Point-to-Point Protocol (PPP) including: Link Control Protocol (LCP), BNCP, IPCP, IPXCP, LQM, Multilink Protocol (MP), Frame Relay, and CHAP and PAP security protocols, through one of the following WAN port interface modules (WPIMs):

The WPIM-T1 provides a T1 interface through a front panel RJ45 port and includes a built-in Channel Service Unit/Digital Service Unit (CSU/DSU) for direct connection to a T1 line. The WPIM-T1 provides both Full T1 (twenty-four time slots) or Fractional T1 (less than twenty-four time slots) using 56 Kbps-, or 64Kbps per time slot. The total throughput of the CSX200 is 1.544 Mbps.

CSX200 Installation Guide

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Cabletron Systems manual CSX200 Hardware, WAN Connection

CSX200 specifications

Cabletron Systems was a leading developer of networking solutions, and its CSX400 and CSX200 series of high-performance switches represent some of the key innovations in the field of enterprise networking during their time. Both models were geared towards enhancing network reliability, efficiency, and speed, particularly in environments where heavy data traffic and complex networking demands were prevalent.

The CSX400, designed for larger enterprises, boasts a robust architecture capable of handling significant throughput. One of its standout features is its stackable design, allowing multiple switches to be interconnected and managed seamlessly as a single unit. This scalability provides organizations with the flexibility to expand their networks without significant infrastructure overhauls. The CSX400 supports various Ethernet standards, including 10/100 Ethernet and Gigabit Ethernet, positioning it to effectively manage both legacy and modern networking requirements.

In addition to its scalability, the CSX400 is distinguished by its advanced Layer 2 and Layer 3 routing capabilities. This dual-layer functionality enables efficient data handling and is instrumental in managing traffic between different network segments. Moreover, the switch incorporates features like VLAN (Virtual Local Area Network) support and Quality of Service (QoS) prioritization, allowing for enhanced performance of critical applications and streamlined bandwidth allocation.

On the other hand, the CSX200 series is tailored for smaller enterprises or branch offices needing a reliable yet efficient networking solution. Despite its compact design, the CSX200 is equipped with essential features that promote effective network management and security. It offers a simplified management interface, making it user-friendly for network administrators. The switch also provides essential access control measures, employing technologies like IEEE 802.1X for network access security.

Both the CSX400 and CSX200 prioritize performance through the incorporation of advanced switching technologies. They support features such as Spanning Tree Protocol (STP), enabling loop-free topologies and enhanced network resilience. These attributes are particularly crucial in dynamic networking environments where downtime can have significant repercussions on business operations.

Overall, Cabletron Systems' CSX400 and CSX200 series represent a blend of scalability, advanced routing capabilities, and user-friendly management, making them vital assets for organizations looking to optimize their network infrastructure during a period of rapid technological evolution. With their rich feature sets and unwavering performance, these switches helped pave the way for modern networking solutions that cater to diverse enterprise needs.