Poll Response, UI-Frames | Cabletron Systems 1800, FRX4000 manual

SNA Status and Conﬁguration

The SDLC Link Station Rx and Tx Statistics window provides the following statistical data:

BLU

The total Basic Link Units (BLU) received from or transmitted to an adjacent SDLC link station since link station startup, expressed as a rate (BLUs/second).

Poll

The total number of polls received from or transmitted to an adjacent SDLC link station since link station startup, expressed as a rate (polls/second).

Poll Response

The total number of poll responses received from or transmitted to an adjacent SDLC link station since link station startup, expressed as a rate (poll responses/second). This value includes I-frames that are received or sent in response to a poll.

I-Frame

The total number of I-frames received from or transmitted to an adjacent SDLC link station since link station startup, expressed as a rate (I-frames/second).

UI-Frames

The total number of UI-frames received from or transmitted to an adjacent SDLC link station since link station startup, expressed as a rate (UI-frames/second).

XID

The total number of XID frames received from or transmitted to an adjacent SDLC link station since link station startup, expressed as a rate (XID frames/second).

TEST

The total number of TEST frames received from or transmitted to an adjacent SDLC link station since link station startup, expressed as a rate (TEST frames/second).

REJ

The total number of REJ frames received from or transmitted to an adjacent SDLC link station since link station startup, expressed as a rate (REJ frames/second).

FRMR

The total number of Frame Reject (FRMR) Frames received from or transmitted to an adjacent SDLC link station since link station startup, expressed as a rate (FRMR frames/second).

SIM

The total number of Set Initialization Mode (SIM) frames received from or transmitted to an adjacent SDLC link station since link station startup, expressed as a rate (SIM frames/second).

Viewing SDLC Status

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1800, FRX4000, FRX6000 specifications

Cabletron Systems, a leading player in network management and telecommunications solutions during the late 20th century, introduced several innovative products that played a crucial role in shaping enterprise networking. Among these were the Cabletron FRX6000, FRX4000, and the FRX1800, which delivered advanced features aimed at enhancing network performance, security, and scalability.

The Cabletron FRX6000 was designed as a robust multi-layer switch, ideal for large-scale enterprise environments. It supported extensive routing capabilities, allowing organizations to manage traffic efficiently even under heavy loads. The FRX6000 boasted high throughput rates and low latency, making it suitable for demanding applications. With support for various network protocols, including IP, IPX, and AppleTalk, its adaptability made it a versatile choice for diverse networking needs. Moreover, security features like VLAN support and Access Control Lists (ACLs) provided enhanced protection against potential threats.

Moving to the FRX4000, this model offered a balance between performance and cost-effectiveness. The FRX4000 maintained many of the essential features of its larger counterpart while catering to medium-sized enterprises. It provided Layer 3 routing and could handle multiple simultaneous connections, ensuring seamless communication across departments. The modular design allowed for easy upgrades, enabling businesses to expand their network infrastructure without significant overhauls. This made the FRX4000 an attractive option for organizations looking to optimize their network investments.

Lastly, the FRX1800, designed for small to medium businesses, focused on simplicity and ease of use while still incorporating powerful network management capabilities. Its user-friendly interface made it accessible for organizations lacking extensive IT resources. The FRX1800 provided essential functionalities such as Integrated Layer 2 switching and routing, network monitoring, and basic security features, ensuring that even smaller companies could maintain efficient, reliable networking without overwhelming complexity.

All three models utilized advanced technologies, including a high bandwidth backbone and state-of-the-art switching architecture, to enable fast and reliable data transfer. They also supported Quality of Service (QoS) mechanisms, allowing businesses to prioritize critical applications and ensure consistent performance across the network.

In summary, the Cabletron FRX6000, FRX4000, and FRX1800 were pivotal in enhancing network capabilities, providing organizations with scalable, secure, and high-performance options tailored to their specific needs.

Cabletron Systems 1800, FRX4000, FRX6000 manual Poll Response, UI-Frames

Models: 1800 FRX4000 FRX6000