Difference between revisions of "ENA Amplifier - Monitoring"
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* '''Speaker Line (SLM) faults'''. The ENA amplifier can monitor impedance changes on each channel. This is used to detect fault such as load change, open/short and ground faults. A loud change must be minimum 15% before it is reported as an error. The SLM can be individually turned on or off for each channel in [[ENA_Configuration_-_AlphaCom_mode#Line_Control|Monitoring and Lines > Line Control > Channel 1/2 > Line Monitoring]]. In order to make the Line Monitoring work the speaker line needs to be calibrated. This is done from the GUI or the web interface of the ENA amplifier. The option ''Suspend Monitoring'' will turn off monitoring when there is audio on the channel output. | * '''Speaker Line (SLM) faults'''. The ENA amplifier can monitor impedance changes on each channel. This is used to detect fault such as load change, open/short and ground faults. A loud change must be minimum 15% before it is reported as an error. The SLM can be individually turned on or off for each channel in [[ENA_Configuration_-_AlphaCom_mode#Line_Control|Monitoring and Lines > Line Control > Channel 1/2 > Line Monitoring]]. In order to make the Line Monitoring work the speaker line needs to be calibrated. This is done from the GUI or the web interface of the ENA amplifier. The option ''Suspend Monitoring'' will turn off monitoring when there is audio on the channel output. | ||
* LET ([[ELTSI-1|Line End Transponder]]) faults | * LET ([[ELTSI-1|Line End Transponder]]) faults | ||
| − | * '''Remote Control Input (RCI)'''. In order to monitor RCIs one have to connect two resistors as close as possible to the external switch/relay. The resistor connected in series should have a value of '''1 kΩ''', while the resistor connected in parallel should be '''2.2 kΩ'''. The monitoring must be enabled in | + | * '''Remote Control Input (RCI)'''. In order to monitor RCIs one have to connect two resistors as close as possible to the external switch/relay. The resistor connected in series should have a value of '''1 kΩ''', while the resistor connected in parallel should be '''2.2 kΩ'''. The monitoring must be enabled in [[ENA_Configuration_-_AlphaCom_mode#RCO.2FRCI_Config|Monitoring and Lines > RCO/RCI Config, RCI]] section |
* Remote Control Output (RCO) faults | * Remote Control Output (RCO) faults | ||
* '''Headphone'''. Monitors that the [[ENA2200_-_Mounting_and_Installation#Overview_-_Front|headphone is connected]] at the front panel of the amplifier. Monitoring must be enabled in [[ENA_Configuration_-_AlphaCom_mode#Advanced_Config|Monitoring and Lines > Advanced Config, Headphone]] section | * '''Headphone'''. Monitors that the [[ENA2200_-_Mounting_and_Installation#Overview_-_Front|headphone is connected]] at the front panel of the amplifier. Monitoring must be enabled in [[ENA_Configuration_-_AlphaCom_mode#Advanced_Config|Monitoring and Lines > Advanced Config, Headphone]] section | ||
Revision as of 13:21, 9 April 2018
The ENA Amplifier provides extensive monitoring capabilities.
What can be supervised?
Internal supervision of:
- Temperatures. A number of temperature sensors in the ENA amplifier will generate error report if the temperature is outside valid range. Monitored by default.
- AC Power and/or DC Power. Monitors the precense of the external power source. Monitoring must enabled in Monitoring and Lines > Advanced Config, Internal Power Monitoring section
- Internal voltages. Monitored by default. Some monitoring parameters might be adjusted in Monitoring and Lines > Advanced Config, Internal Monitoring Parameters section
- Amplifier shutdown. Monitored by default.
- Fan. Monitors the operation of the cooling fan inside the amplifier. Monitoring is enabled by default. Some monitoring parameters might be adjusted in Monitoring and Lines > Advanced Config, Fan Amplifier section
- Ethernet port(s). Monitors that the ethernet link is up. Monitoring is enabled per ethernet port in Monitoring and Lines > Advanced Config, Ethernet Switch section
- Speaker Line (SLM) faults. The ENA amplifier can monitor impedance changes on each channel. This is used to detect fault such as load change, open/short and ground faults. A loud change must be minimum 15% before it is reported as an error. The SLM can be individually turned on or off for each channel in Monitoring and Lines > Line Control > Channel 1/2 > Line Monitoring. In order to make the Line Monitoring work the speaker line needs to be calibrated. This is done from the GUI or the web interface of the ENA amplifier. The option Suspend Monitoring will turn off monitoring when there is audio on the channel output.
- LET (Line End Transponder) faults
- Remote Control Input (RCI). In order to monitor RCIs one have to connect two resistors as close as possible to the external switch/relay. The resistor connected in series should have a value of 1 kΩ, while the resistor connected in parallel should be 2.2 kΩ. The monitoring must be enabled in Monitoring and Lines > RCO/RCI Config, RCI section
- Remote Control Output (RCO) faults
- Headphone. Monitors that the headphone is connected at the front panel of the amplifier. Monitoring must be enabled in Monitoring and Lines > Advanced Config, Headphone section
- Microphone fault
In the Monitoring and Lines tab, you can configure Speaker Line Monitoring, LET Monitoring, RCI and RCO monitoring and Line-In monitoring. This will report faults whenever there is something wrong with the amplifier or connected speaker lines.
Channel 1 is the main directory number for the amplifier. All monitoring is reported as an event at this directory number, with separate sub-events for each channel. All station faults that are configured to be reported will automatically show up in the System log of the AlphaCom server, and trigger Event 43 Station Fault Report, and the sub-event indicating what type of fault.
After configuring speaker line monitoring, the channel needs to be calibrated. This should not be done when there is a call active or audio on the speaker line.
Error reporting
- Fault Relay: The Fault Relay on the back of the amplifier will trigger whenever there is an error. The relay will remain triggered as long as one or more errors are present.
- Amplifier GUI display: The Amplifier GUI display will indicate with a red exclamation mark if there are any errors. Use the Menu Selecetion Knob in front of the amplifier to navigate to Service > Local Message List to view current error messages
- Amplifier web interface: In the Faults section in the Monitoring and Lines > Status menu there is a live update of current active faults. The page is automatically refreshed every 10 seconds.
- AlphaCom System Log: Amplifier errors are reported to the AlphaCom, which will forward the error reports via the System Log. Log data can be stored in a local log file on the AMC-IP board, or sent to external log recipient via SysLog, E-Mail or SNMP trap.
- AlphaCom Event Handler: Amplifier errors are reported by the Event Handler of the AlphaCom, event 43 - Station Fault Report. One can use the "subevent" to filter on specific fault types.
- SNMP Traps - from Amplifier: The amplifier can be configured to report errors as SNMP Traps, see SNMP Settings