8Introduction (continued)Name and Function of Parts[FRONT]A [POWER]LampLights up when the power of VN-E4 is turned on.B [LINK]LampLights up when VN-E4 is connected to the network.C [100M]LampLights up when VN-E4 is connected to the network via100Base. The light will not be illuminated in the case of10Base.D [FDX/COL]LampLights up when VN-E4 is connected to the network via fullduplex. The light will not be illuminated in the case of halfduplex. The light will appear blinking when collision occurs.E [STS]Lamp (Status Lamp)Lights up when VN-E4 is started up properly. The light willappear blinking when troubles occur during startup and theerror details will be displayed in [CH1-CH4].F [ALM]Lamp (Alarm Lamp)Displays alarm input to VN-E4. Lights up when there arechanges in the alarm input or when motion is detected. Thelight will turn off automatically after 5 seconds.G [O.L]Lamp (Overload Lamp)Displays the processing load of VN-E4. This light is turnedoff when this unit is functioning properly. This light is turnedon when the processing load of VN-E4 is too heavy.H [AUD]Lamp (Audio Lamp)Displays the audio transmission status of VN-E4. Lights upduring transmission of audio data to the network. Turns offwhen there is no transmission.I [CH1]Lamp (Video 1 Channel Lamp)Displays the image transmission status of VN-E4. Lights upduring transmission of video input at [CH1] to the network.Turns off when there is no transmission.J [CH2]Lamp (Video 2 Channel Lamp)Displays the image transmission status of VN-E4. Lights upduring transmission of video input at [CH2] to the network.Turns off when there is no transmission.K [CH3]Lamp (Video 3 Channel Lamp)Displays the image transmission status of VN-E4. Lights upduring transmission of video input at [CH3] to the network.Turns off when there is no transmission.L [CH4]Lamp (Video 4 Channel Lamp)Displays the image transmission status of VN-E4. Lights upduring transmission of video input at [CH4] to the network.Turns off when there is no transmission./COL STS CH4CH3CH2CH1AUDO.LALMFDX100MLINKPOWER44A B C D E F G H I J K LCH1 CH2 CH3 CH4 Error DetailsLightOFFLightOFFLightOFFLightONA device with the same IPaddress as VN-E4 isdetected. The lamps willnot change until the powerof VN-E4 is turned off.LightOFFLightOFFLightONLightOFFThere is no video signalinput to VN-E4. The normaldisplay will be restoredupon input of video signals.