Async PAD Port Parameters

Pressing [J], [K], [M], [N], or [O] will display more parameters, listed in Table 12-3. Pressing [L] will display the async PAD profile parameters (listed earlier in this chapter) that are resident in the SmartSwitch software.

Table 12-3 Async Port Parameters

Parameter	Valid Values	Default Value


Port Type	see explanation	X. 25

Physical Por t Interface	see explanation	see explanation

Blocked Port Flag	Y/N	N

X.3 Line Speed	see explanation 1	none
Initial Profile Name	0–10 characters	90

Login Required	Y/N	Y

Parity	0–3	0

DCE Cable Attached	Y/N	N

Mask Link Alarms	Y/N	N

X.25 Parameter Options

Generate M-bit Packets	Y/N 3	N
Default Calling Address	valid Subscriber ID 4	none
Disable X.121 User Calls	N	N

Autocall Options

Autocall	Y/N	N

Autocall Delay (sec)	0–255	0

Called Address	valid subscriber ID 5	none
Retr y Count	0–10 (0 = retry indefinitely)	5

Retr y Interval (sec)	0–255	60

User Data (ASCII)	0–12 characters	none

Facilities (hex)	0–28 characters	none

Modem Signal Options

DTR/RTS Active When VC Up	Y/N	N

Input Signal Detection	0–5	1 (DSR)

RTS-CTS H/W Flow Control	Y/N 1	N
Disconnect Options

Disconnect Timer (min)	0–60 (0 = disable timer)	2

Disconnect Dur ation (sec)	0–300	0

Timeout if No Login	Y/N	N

Timeout if No Call	Y/N	N

Timeout if No Data	Y/N	N

Disconnect if Clear Recvd	Y/N	N

Disconnect if Clear Sent	Y/N	N

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Configuring Async Ports

12-9

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.

Cabletron Systems 1800 manual Async PAD Port Parameters, Async Port Parameters

Models: 1800