HDMI 4x4 Matrix Switch, 4K/60 Operation Manual© Muxlab Inc. 2017 14DHCP setting setting (on or off)3 Gateway Shows the Gateway Address4 Subnet Mask Shows the Subnet MaskIn order to prevent potential IP problems, most IP settings must be managed inthe Free PC Software or via the RS-232 commands.Cascade Mode:Cascade mode can only be turned On or Off via RS232. When CascadeMode is turned on, the signal is passed from the switch without readingthe EDID or Hot Plug. Many issues can be resolved in the field with thismode, including: Invalid or incorrect EDID coming from display (this may happenmore often than one would think). When you want to manage EDID in a device further down thechain (such as an AVR or Distribution Amp). When running one or more output into additional peripheralsbefore the display.We recommend you ONLY use cascade mode if you have exhausted all othertrouble shooting options. To toggle Cascade Mode On or Off, use the appropriateRS232 command (see the RS232 command table).6.5 Connectivity OperationWhen making a connection, begin by pressing the Output port (1 to 4, or ALL),then press the Input port (1 to 4, or ALL) to be connected.Note:An Input port may be connected to more than one output port.