Mitel SX-200 DIGITAL Pabx Engineering Information Manual
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General Maintenance Information APPENDIX A ROUTINE MAIINYENANCE Al.01 The procedures described in the following paragraphs, are the only routines required for the SX-200@ DIGITAL PABX, and are necessary due to the mechanical nature or limited operational life of the components concerned. Air Filter Al.02 An air filter is positioned in the SX-200@ DIGITAL PABX control cabinet to remove dust and particles from the air flow so as to maintain a clean environment within the cabinet. It is important that the filter be checked frequently, and cleaned regularly, since failure to do so will cause a reduction in the airflow, and a consequent buildup of excess heat within the cabinet, leading ultimately to component failure. AI.03 The air filter is located on the inside of the control cabinet front door, at the bottom. It is held over the intake vent by a velcro strip bordering the vent. To remove the filter, simply pull it from the velcro strip border. To install the filter, simply place it over the vent, and firmly press the edges onto the velcro border: Al.04 The filter may be cleaned by washing in hot water and deter- gent. After several washings, the filter may begin to deteriorate; at this point, it should be replaced. Al.05 The intervals at which this should be done will depend upon the environment in which the SX-200@ DIGITAL PABX is located. Regardless of environmental considerations, however, the filter should be changed at least every 6 months. Page A-l/l