143Figure 163 FIC-24FXS front panelInterface cables and the connection methodsFor more information about 24FXS interface cables and the connection methods, see "24FXSinterface."DFIC-24FXO24FXSIntroductionThe DFIC-24FXO24FXS provides 24-port voice subscriber circuit and 24-port voice AT0 analogtrunk circuit. FXS interfaces process and transmit voice signals over data communications networksfor 24 regular analog phones, faxes, or AT0 loop trunks of telephone exchanges. The FXO interfacesprocess and transmit voice signals over data communications networks for 24 loops of telephoneexchanges.Interface specificationsTable 193 Interface specificationsItem DescriptionConnector 50-pin D-type female connectorInterface standard FXS and FXO interfaceInterface rate 24 No FXO interface rate plus 24 No FXS interface rateInterface LEDsTable 194 LED descriptionLED FXO interface FXS interfaceActive • Off: All links are idle.• Flashing: One or more links are occupied.• Off: All links are idle.• Flashing: One or more links are occupied.Link Steady on: An electric device is connected. Steady on: No fault occurs on the linkThe following figure illustrates the DFIC-24FXO24FXS panel.
