computer data used in computer networks, paging, cabling, PA address system, sound ... N.Part No.DescriptionRemark1FSE-600DP=350mm Fixed shelf with mounting ears for 600mm depth cabinets,19" installation,t ... us.H=1U2FSE-800DP=550mm Fixed shelf with mounting ears for 800mm depth cabinets,19" installation,t ... =1.2mm3FSE-900DP=650mm Fixed shelf with mounting ears for 900mm depth cabinets,19" installation,t ...