DPM/DCM FAQ
DPM/DCM FAQ Answers
| Q. Not receiving pages from DPM |
A. Possible Causes: the following sequence must be completed before a page will be delivered:
Diagnosing DPM paging problems: Introduce an alarm and use use your configuration program in monitor mode to confirm that the alarm has been generated and is qualified. You can also observe light indications on the device to confirm that is has an alarm and is attempting to dial out. In your configuration program, confirm the phone number that has been assigned to the pager, confirm the pager has been assigned to the alarm, and confirm pager usage (primary or secondary) . Be sure this information has actually been written (downloaded) to the device – you can do this by reading (uploading) from the device and viewing the results. Call the paging facility yourself, from any convenient phone, using the phone number programmed into the device. A paging system should answer. If you still have problems, go the location where the device is installed, unplug the phone line from the device, plug in an ordinary analog phone, and call the paging facility using exactly the same number your system is set up to call. A paging system should answer. There is often a problem with forgotton factors such as having to dial 1 first to get an outside line, or being in a different area code than you thought you were, or having a long-distance call-blocker on the line, etc. Also verify that the line sounds clean, with no static, hum, or other noise. If you still have problems, note exactly how the paging facility responds to calls: If delivering a numeric page, there is generally a brief voice message after which the numeric message is entered. To step over this voice message, you should put two commas after the phone number your device dials to deliver a numeric page – each comma represents a 5-second delay before it sends the actual alarm message. Verify that the delay is appropriate for your system.If you still have problems, please contact DPS Telecom. |
| Q. Periodic Status Report Timing |
| A. You may optionally configure a DPM to page you with routine periodic status reports, which tell you the current state of all alarms and relays. These reports are sent at a programmable interval, from once every 15 minutes to once every 10 days, and may be individually enabled or disabled for each pager you have defined. There are several problems you may encounter with periodic status reports: Reports come at an inconvenient time of day: the clock starts ticking at the moment a configuration is written (downloaded) to the DPM. If you set it up to report every 24 hours and download it at 3:00 PM, you should get a report every day at 3:00 PM. However, the DPM does not have a highly accurate internal clock and this time may drift several minutes per day. If it gets too far off, we recommend connecting at the time of day you wish to receive your reports, reading (uploading) from the DPM so you don't inadvertently change its current configuration, and immediately writing the same configuration back to it to reset the clock. You get a lot of reports you don't want: reconfigure the Periodic Status Report interval, or turn off periodic status reporting altogether for your pager, and write (download) the revised configuration to the DPM. DPM seems to be busy calling out for extended periods: you may have enabled Periodic Status Reports for an otherwise undefined pager (blank or incorrect dial string, etc). It will repeatedly try to call a number that it obviously can't reach. |
| Q. How do I configure my DPM and DCM to operate in echo mode? |
A. The DCM and DPM both need special pager settings to enable the echo mode feature:
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