Specifications

System Software Diagnostics Guide — September 2006 31
5
5.Diagnosing First Call Issues
This chapter describes how to use the PSTN Diagnostics tool (pstndiag) to determine what is
preventing your system from successfully completing the first call.
• Preparation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
• Monitoring the Signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
• Monitoring the Status of Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
For more information about the pstndiag tool, refer to Chapter 26, “PSTN Diagnostics Tool
Reference”.
5.1 Preparation
Before you perform the procedures described in this chapter, refer to the following sections:
• Section 26.2, “Guidelines”, on page 128
• Section 26.3, “Preparing to Run the PSTN Diagnostics Tool”, on page 128
• Section 26.4.1, “Starting the PSTN Diagnostics Tool”, on page 128.
The main window displays a tree or hierarchy of the components in your system. Components
include all boards that have been downloaded in the system, all trunks within a board, and all
channels within a trunk.
5.2 Monitoring the Signal
Use the following procedure to verify that a connection exists between your board and the network
(or other device depending on your system setup):
1. On the pstndiag tool’s main window, double-click on a specific board to display the board level
view and check the connection of all trunks on this board. A sample screen is illustrated in
Figure 1.