(video interfaces) 1.Video input/output impedance 2.Bnc 75¬+ unbalanced interface 3.Video input/output voltage 4.Typical peal value 1vpp Maximum 1.5 vpp 5.Video bandwidth: 8mhz 6.Video digital bit width:8 bits/10 bits 7.Differential gain :less than 1% 8.Differentia phase: less than 0.6 9.Signal-to-noise ratio :67 db (weighting) (data interface) 1.Physicalinterface shielding surpassing Cat.Rj-45 terminal, industrial wiring terminal 2.Rs232 speed:dc-115.2kbps 3.Rs-422/485 speed:dc-1.2mbps 4.Rs-422/485 distance:0-1200m 5.Rs-422/485protocol: transparently compatible with rs-485/422 protocol compatible with i/o on-off volume, alarming data, manchester code. (ethernet interface) 1.Physical interface :shielding surpassing-cat.5 rj-45 terminal 2.Supporting protocol:ieee 802.3 10base-t 10m, 10/100m ethernet standards 3.Working mode:full duplex or half duplex (phone interface) 1.Physicalinterface :shielding Surpassing-cat.5 rj-45 terminal, Industrial wiring terminal 2.Voice bandwidth:4khz 3.Working mode: peer-to-peer hot line, spc exchange/separating unit mode (optical fiber ) 1.Physical interface:fc/upcf=st/upcf=sc/pc 2.Transmission speed: 155mbpsf=1.25gbps 3.Optical fibertype:singlemodo/multimode optical fiber 4.Transmission distance:multimode:0-3km; singlemode: 110km Working temperature:-40~75degree