Valid values (in bits per second) are:

75

150

300

600

1200

2400

4800

9600

19.2K

48K

64K

 

Default Calling Address

will be inserted into an incoming Call Request packet if the packet does not contain a calling address.

T20 Restart Timer

will be started when the logical DTE issues a Restart Request, and stopped (and reset) when a Restart Confirmation or Restart Indication is received. If the timer expires, the DTE should retransmit the Restart Request.

T21 Incoming Call Timer

will be started when the logical DTE issues a Call Request packet, and stopped (and reset) when a Call Connected, Clear Indication, or Incoming Call is received. If the timer expires, the DTE should send a Clear Request.

T22 Reset Timer

will be started when the logical DTE issues a Reset Request, and stopped (and reset) when a Reset Confirmation or Reset Indication is received. If the timer expires, the DTE should retransmit the Reset Request or a Clear Request.

T23 Clear Timer

will be started when the logical DTE issues a Clear Request, and stopped (and reset) when a Clear Confirmation or Clear Indication is received. If the timer expires, the DTE should retransmit the Clear Request.

DTE Restart Retry Count

is the number of times a Restart Request from the logical DTE will be transmitted. (The DTE will stop issuing the request on receipt of a Restart Confirmation or Restart Indication.) If the Restart Retry Count expires, restart and recovery procedures should be initiated.

DTE Reset Retry Count

is the number of times a Reset Request from the logical DTE will be transmitted. (The DTE will stop issuing the request on receipt of a Reset Confirmation, Reset Indication, or Clear Request .) If the Reset Retry Count expires, restart and recovery procedures should be initiated.

DTE Clear Retry Count

is the number of times a Clear Request from the logical DTE will be transmitted. (The DTE will stop issuing the request on receipt of a Clear Confirmation or Clear Indi- cation.) If the Clear Retry Count expires, restart and recovery procedures should be ini- tiated.

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SmartSwitch 1800 4. 0 User Guide, Rev 01

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Cabletron Systems 1800 manual Valid values in bits per second are
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1800 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.
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