Multi-Tech Systems MA220 사용자 설명서

•  Ensure proper installation of the MultiAccess in a closed or multi-unit 

enclosure by following the recommended installation as defined by the 
enclosure manufacturer.  Do not place the MultiAccess directly on top of 
other equipment or place other equipment directly on top of the MultiAccess. 

•  When mounting the equipment in a rack, make sure mechanical loading is 

even to avoid a hazardous condition, such loading heavy equipment in the 
rack evenly. The rack should safely support the combined weight of all 
equipment it supports. 

•  If installing the MultiAccess in a closed or multi-unit enclosure, ensure 

adequate airflow within the rack so that the maximum recommended 
ambient temperature is not exceeded. 

•  Ensure that the MultiAccess is properly connected to earth ground via a 

grounded power cord. If a power strip is used, ensure that the power strip 
provides adequate grounding of the attached apparatus. 

•  Ensure that the mains supply circuit is capable of handling the load of the 

MultiAccess. Refer to the power label on the equipment for load 
requirements. 

•  Maximum ambient temperature for the MultiAccess is 60 degrees Celsius 

(140

° F). 

•  This equipment should only be installed by properly qualified service 

personnel. 

•  Only connect like circuits. In other words, connect SELV (Secondary Extra 

Low Voltage) circuits to SELV circuits and TN (Telecommunications 
Network) circuits to TN circuits. 

The MultiAccess is designed to install either on a desktop or in a standard EIA 
19“ rack, and is shipped with the mounting hardware to install the MultiAccess in 
the rack. If installing in a rack, use the provided mounting hardware and follow 
the rack enclosure manufacturer’s instructions to safely and securely mount the 
MultiAccess in the rack enclosure. Proceed to the cabling procedure.