User Guide

MPM Diagnostics
26-2
26.2. Self Test (MPM)
String View > Diagnostics|Self Test
Self Test reads an MPM status register and displays the parameter status on the Diagnostics
dialog box. These parameters are tested only at MPM power-up. If an update is needed, cycle
the power to the MPM or reboot by selecting Setup|Reboot Firmware. To open Self Test
Diagnostics, select Diagnostics|Self Test.
Figure 115. Diagnostics - Self Test (MPM)
Items on the Self Test Diagnostics dialog box are described below.
Processor - Checks processor internal registers and timers.
External RAM - Writes and reads to each RAM location to verify accessibility.
PROM - Calculates and verifies the program checksum in the PROM.
A/D - Reads and confirms the A/D converter reference voltage is within specification.
Modem - Verifies the modem echoes commands.
Dial Tone - Confirms the telephone is connected.
Running Firmware - Displays the memory type from which the firmware is running.
Typically, this is the PROM, but the system can upload a new version to Flash memory.
Firmware Version - Displays the version of firmware running.