computer data used in computer networks, paging, cabling, PA address system, sound system, ... , S/N.Part No.DescriptionRemark1FSE-600DP=350mm Fixed shelf with mounting ears for 600mm depth cabinets,19" installation,t= ... ,19" installation,t=1.2mm3FSE-900DP=650mm Fixed shelf with mounting ears for 900mm depth cabinets,19" installation,t ... ,19" installation,t=1.5mm yeazen Fixed shelf(with mounting ear)