Main Features:- * Support 128pcs of camera and 32sets of monitors * Menu setup,Chinese / English Menu optional * Screen display of system time,date,running states and camera topic * Multi Switch methods:Free,Program,Sychro and Group * Support Video switch and alarm control * Control Even speed dome,speed dome and electric lens,directly control the intellectual speed dome without using switcher * Internal 16CH Alarm Input and 2CH Alarm Linkage Output,can extend to 128ch alarm input * Alarm linkage video switch,auto record * Compatible to many types of DVR,convenient to control by PC or keyboard * Adopt RS485 port,support multi-level and classcification control,maximum link to 32sets of matrix * Module board structure design,use 4U standard driver case. Specifications:- Video Input 1~64 Video Output 1~512 Video Input Signal 1Vp-p(75O) Video Output Signal 1Vp-p(75O) Video SNR >70.5dB Video input Isolation >55dB Video Output Isolation >50dB Video Channels Bandwidth 12MHz Frequency Input Signal 0.5Vp-p~5Vp-p(600O) Frequency Output Signal input follow Frequency SNR >58dB Frequency input Isolation >58dB Frequency Output Isolation >50dB Frequency channels bandwidth 50Hz~30KHz Switching Attribute manual/programme automatically entirely intercross without blocking switch? with the function of single-timing and groups switching. Frequency/Video Switching Synchro Switch switching mode adopts electrical source in-phase switch switching speed PAL:=20ms?NTSC:=16.7ms video alarm with the function of video losing ?checking or measuring and alarm. Datum Backup built-in storage apparatus, all sorts of data collocation intercalated can be saved 10 at least. Datumn Communication RS485?RS232 Screen Display date/time?camera title?alarm information etc Graphics superposed characteristic extrusive display, steady?clear?without jumpiness phenomenon graphics input mode computer compilation input(AP character graphics brush-pencil software) match IP module Ethernet control module or mpeg-1 video server module Working Circumstance Temperature:-10? ~ +50?,humidity: =90%( without condensation=90%) Dimension 480mm(W) + 178mm(H) + 350mm(D)