EN-82 SMTP ServiceOption: Function:[0] * Disable Disables the SMTP (e-mail) service on the option.[1] Enable Enables the SMTP (e-mail) service on the option.EN-89 Transparent Socket Channel PortRange: Function:0* [0 – 9999] Configures the TCP port-number for the transparent socket channel. This enables Drive-messages to besent transparently on Ethernet via TCP. Default value is 4000, 0 means disabled.EN-90 Cable DiagnosticsOption: Function:Enables/disables advanced Cable diagnosis function. If enabled, the distance to cable errors can be readout in par. EN-93. The parameter resumes to the default setting of Disable after the diagnostics havefinished.[0] * Disable[1] EnableNB!The cable diagnostics function will only be issued on ports where there is no link (see par. EN-10, Link Status)EN-91 Auto Cross-OverOption: Function:[0] Disable Disables the auto cross-over function.[1] * Enable Enables the auto cross-over function.NB!Disabling of the auto cross-over function will require crossed Ethernet cables for daisy-chaining the options.EN-92 IGMP SnoopingOption: Function:This prevents flooding of the Ethernet protocol stack by only forwarding multicast packets to ports thatare a member of the multicast group[0] Disable Disables the IGMP snooping function.[1] * Enable Enables the IGMP snooping function.EN-93 Cable Error LengthOption: Function:If Cable Diagnostics is enabled in par. EN-90, the built-in switch is able via Time Domain Reflectometry(TDR). This is a measurement technique which detects common cabling problems such as open circuits,short circuits and impedance mismatches or breaks in transmission cables. The distance from the optionto the error is displayed in meters with an accuracy of +/- 2m. The value 0 means no errors detected.[0] Error length Port 1 (0 – 200m)[1] Error length Port 2 (0 – 200m)Modbus TCP416