G.SHDSL NTU User Manual V0.03 152.2.4 Multi-interfaces ModelDC power input versionThe rear panel of this model is including power switch, AC power socket, RJ-45 for console cable, LAN for Ethernetcable, G.703 RJ-48C or BNC jacks for transmitting and receiving, DB-25(Female) for serial and RJ-45 for SHDSL fromleft to right.DC power input versionThe rear panel of this model is including power switch, DC power socket, RJ-45 for console cable, LAN for Ethernetcable, G.703 RJ-48C or BNC jacks for transmitting and receiving, DB-25(Female) for serial and RJ-45 for SHDSL fromleft to right.Connector DescriptionON Power switch. Press 1 for turn on and press 0 for off90~240V AC IEC-320 C6 AC input connector. It has power adapting function from 90V to240V-48V GND DC power input connector (-48V)CONSOLE RJ-45 for system configuration and maintenanceETH RJ-45 LAN port for Ethernet cableE1RJ-48C for 120Ω E1 connection with PABX (Private Automatic Branch Exchange)or E1 RouterSERIAL DB-25(F) for RS-530 and V.35 or X.21(with adaptor cable)TX BNC for 75Ω E1 transmittingRX BNC for 75Ω E1 receivingDSL RJ-45 for DSL connection