3-8System GuidePrintingNOTE:NPS options can be specified using lp -o and lpr -C fromthe command-line.Socket gateway configuration utility: setVPSoptionThis utility allows you to configure the two ports of the SocketGateway to either remove the echo commands (VPS) or leave thedata unaltered (NONVPS).If you are a DT61xx or DT65/75/90 non-LCDS customer, configureboth ports as NONVPS. DP1xxxEPS and DT 75/90 customersusing LCDS need to decide whether to configure one or both portsas VPS. If a port is not being used, it is recommended to set theport to NONVPS.The Socket Gateway allows two ports to be configured at onetime. Regardless of the port number assigned on the SocketConfiguration Utility, the socket port configured on the first port isalways Port 1, and the second line is always Port 2. Both ports areset as VPS upon installation. set as VPS upon installation. Syntaxof the utility:setVPSoption -10 - Specifies Port 11 - Specifies Port 2option -VPS(default) or NONVPSAn example of the utility is as follows:printserver_printer% su rootPassword:# cd /opt/XRXnps/bin# ./setVPSoption -1VPS -2NONVPSThis sets Port 1 as VPS and Port 2 as NONVPS)# ./setVPSoption -1VPSThis sets Port1 as VPS and leaves Port 2 unaltered.# ./setVPSoption -2NONVPSThis leaves Port 1 unaltered and sets Port 2 as NONVPS.Restart the Print Server software after setting this option.NOTE:Refer to the Security Guide for more information on theSecure Socket Layer.