Appendix B Cause Codes

ATM events often generate messages that appear on the console. Most messages are self-explanatory. However, some messages contain additional information in the form of cause codes. These codes identify the cause of the event.

For example, the following SmartCell ZX-250 error message contains cause code 31:

SmartCell ZX # NOTICE - NOTICE - 'ZLESSRV' AddPartyReject BUS epref : 7 Cause : 31

NOTICE - 'ZLESSRV' ADDPartyReject - BUS Connect refused LEC : 39:00:00:00:00:0 0:00:00:00:00:14:41:80:00:20:D4:14:41:82:00

The followingtable is a list of cause codes and their meanings:

Cause codes are defined in detail in the ATM Forum User Network Interface

Specification (version 3.1).

Table B-1 Cause code values and meanings

Cause Code	Meaning

1	Unassigned number

2	No route to specified transit network

3	No route to destination

10	VPI/VCI pair is unacceptable

16	Normal cell clearing

17	User busy

18	No user responding

21	Call rejected

22	Number changed

23	User rejects all calls with calling line identification

27	Destination out of order

28	Invalid number format

30	Response to STATUS ENQUIRY

31	Normal, unspecified

35	Requested VPI/VCI not available

36	VPI/VCI assignment failure

37	User cell rate not available

SmartCell 6A000/ZX-250 Reference Manual B-1

6A000/ZX-250 specifications

Cabletron Systems, a notable player in networking hardware, introduced the 6A000/ZX-250 as a part of its commitment to providing efficient and robust local area network (LAN) solutions. This versatile device was designed to meet the demands of both small and medium-sized enterprises, showcasing Cabletron’s strength in modularity and scalability within networking technologies.

The 6A000/ZX-250 is fundamentally a network switch, engineered to facilitate high-speed data transfer while maintaining network reliability. One of its standout features is its ability to support advanced networking protocols, which ensures compatibility with a wide range of devices. This adaptability allows organizations to integrate various hardware seamlessly, thus providing a flexible networking infrastructure that can grow alongside business needs.

Performance-wise, the 6A000/ZX-250 boasts a switching capacity that can handle a significant amount of data traffic efficiently. This capability is crucial for companies that require consistent data flow to support their operations. In addition to its high throughput, the device incorporates intelligent features such as traffic prioritization, which is particularly beneficial in environments where certain applications, like VoIP or video conferencing, demand real-time data processing.

Moreover, the device supports a series of management features that enhance network performance monitoring and control. Cabletron Systems equipped the 6A000/ZX-250 with a user-friendly interface, enabling administrators to manage their networks effortlessly. This feature reduces operational downtime and empowers IT teams to respond quickly to possible issues, ensuring that network performance remains uncompromised.

Technologically, the 6A000/ZX-250 is compatible with both Ethernet and Token Ring networks, giving it an edge in environments where legacy systems still operate alongside modern technologies. The dual capability allows for a smoother transition when upgrading network infrastructure, easing the migration process for organizations looking to modernize their systems without disrupting existing operations.

In terms of scalability, the 6A000/ZX-250 can be expanded with additional modules as organizational needs grow. This feature makes it a sustainable option for businesses anticipating future network demands, as it helps lower long-term operational costs while maintaining flexibility in network design.

In conclusion, Cabletron Systems’ 6A000/ZX-250 is a comprehensive solution for networking requirements, blending performance and flexibility with advanced technological features. Its ability to adapt to various network types and protocols, coupled with robust management tools, positions it as a valuable asset for any organization looking to streamline its operations and enhance connectivity.

Cabletron Systems 6A000/ZX-250 manual Appendix B Cause Codes

Models: 6A000/ZX-250

APPENDIX B CAUSE CODES

Cause Code

Meaning

6A000/ZX-250 specifications