SLT Time-out

is the time the local Voice port will wait before an actual fax transmission begins. If there is no fax tone when this timer expires, the connection will be terminated.

Link Down Busy

enables (if Y) or disables (if N) automatic busy-out of channels when the link is down. When this parameter is enabled, the system will automatically busy-out channels when the composite link is down. When disabled, channels remain on-hook with the link is down. If your application is connected to a PBX that can route calls to an alternate source (e.g., an ACD) based on an "all busy" condition, enable this parameter so the PBX will recognize this condition and reroute the calls while the composite link is down.

This parameter affect on-hook channels only when the link-down condition occurs. Active calls remain in progress until they return to on-hook.

Fax Supported

specifies whether or not faxes will be transmitted on the port. If N, all calls will be treated as voice. If Y, both voice and fax will be transmitted

In most cases, this parameter should be enabled, to allow both voice and fax calls can be processed.

If a voice call experiences excessive noise while this parameter is enabled, the SmartSwitch 1800 might interpret it as fax call. Disabling this parameter will cause the call to be treated as voice regardless of noise con- ditions.

Telephony Interface Type

specifies (in conjunction with Interface) the type of interface that will be used by the Voice channel. Appendix C contains more information about selecting the appropriate interface.

If E&M is specified, you must also set Switch 2 on the front of the SmartSwitch (see Figure 13-6)as shown in Table 13-5to select an E&M type.

8 7 6 5 4 3 2 1

Figure 13-6 Front Panel Switches

Remember that the Voice port labeled as 1 is configured in the database as port 4, and Voice port 2 is configured as port 5.

Configuring Voice

13-11

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Cabletron Systems 1800 manual Front Panel Switches
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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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