NTC 3000 Series – M2M Serial Modem50 www.netcommwireless.comTable 9 ‐ RJ‐45 to DB‐9 Serial/Power Connector Pin OutsThe NTC-3000 is a DCE (Data Circuit-Terminating Environment), so the RTS (Ready To Send) signal is received by the NTC-3000 and the CTS (Clear to Send) signal is transmittedwith flow controlled from both ends.The DCD (Data Carrier Detect) line is permanently set to one state, i.e. in the high state at the connector, GND at the chip.Electrical SpecificationsA suitable power supply is available on request or via direct purchase from the NetComm Online shop. It is recommended that the NTC-3000 be powered using a 12VDC/1.5A powersupply.Environmental Specifications / TolerancesThe industrial enclosure of the NTC-3000 Series makes it able to operate over a wide variety of temperatures from -20˚C ~ 50˚C.