C H A P T E R4-1Cisco ONS 15310-MA SDH Troubleshooting Guide, Release 9.1 and Release 9.278-19418-014Error MessagesNote The terms "Unidirectional Path Switched Ring" and "UPSR" may appear in Cisco literature. These termsdo not refer to using Cisco ONS 15xxx products in a unidirectional path switched ring configuration.Rather, these terms, as well as "Path Protected Mesh Network" and "PPMN," refer generally to Cisco'spath protection feature, which may be used in any topological network configuration. Cisco does notrecommend using its path protection feature in any particular topological network configuration.This chapter lists the Cisco ONS 15454, 15454 SDH, 15600, 15327, 15310-CL and 15310-MA errormessages. The error dialog box in Figure 4-1 consists of three parts: the error title, error ID, and errormessage. The table lists two types of messages: error messages (EID-nnnn) and warning messages(WID-nnnn). Error messages are alerts that an unexpected or undesirable operation has occurred whicheither indicates the risk of loss of traffic or an inability to properly manage devices in the network.Warnings are alerts that the requested operation could lead to an error. Warnings are sometimes used toconvey important information.Figure 4-1 Error Dialog BoxNote Some of the error messages display a More Details button. You can save these details to a text file usingthe Save button.Table 4-1 gives a list of all error or warning message numbers, the messages, and a brief description ofeach message.124687Error Title Error MessageError ID