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Q&A:How to configure ALMI/O interface of ATN910C to external sensor

Latest reply: May 18, 2018 17:29:27 1385 1 1 0 0

Hello, everyone! This post describes how to configure the ATN910C's ALMI / O interface to an external sensor case.

【Problem Description】

ALMI/O interface on the system control board  of ATN910C is used to connect to external sensor such as mainframe door sensor or temperature sensor.
How to configure ALMI/O interface to connect to external sensor?

Handling Process
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Root Cause
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Solution
The following procedure explain how to configure ALMI/O interface to connect to external sensor such as cabinet door sensor:
1. Connect RJ45 network cable to ALMI/O interface and the other ends will be connected to the external cabinet door sensor.
2. By default, ATN910C will not detect the status of the digital input signal of the external sensor, we must configure the normal status of the digital input signal.
3. Run display io-alarm to check the status of the io alarm before configure the alarm name and status of the alarm; the Default-status and Alarm-name is "NA".
[HUAWEI]display io-alarm
ATN910C's io-alarm status:
Index     Status    Default-status  Alarm-name        Alarm-status   
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
1             open           NA              NA                Normal         
2             open           NA              NA                Normal         
3             open           NA              NA                Normal 

4. Configure the Alarm-name as "mainfail" and default-status to "open". Run the display io-alarm again, Default-status and Alarm-name is updated and the current Alarm-status is "Normal". 
[HUAWEI]io-alarm  index 1 name mainsfail default-status open
[HUAWEI]display io-alarm
ATN910C's io-alarm status:
Index     Status    Default-status  Alarm-name        Alarm-status   
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
1         open          open            mainsfail             Normal         
2         open           NA                     NA                    Normal         
3         open           NA                      NA                   Normal

5. Verify the configuration to check if is correct by loop wire of the network cable.
[HUAWEI]display io-alarm
ATN910C's io-alarm status:
Index     Status    Default-status  Alarm-name        Alarm-status   
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
1             close        open            mainsfail         Abnormal       
2             open           NA              NA                   Normal         
3             open           NA              NA                   Normal  
 
Above is an example of configuration steps and testing result for one external sensor.
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Created May 18, 2018 17:29:27

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