TM 5-3895-374-24-1DTR Dialing (5/03 only)-type of modem that lets you dial a number or end a call based onthe status of the RS232 DTR (Data Terminal Ready) signal To program the modeminitialization string and phone number into the internal memory of the modem, use a dumbterminal (or PC running terminal emulation software like Procomm, Window’s Terminal, orPBASE) Once you have programmed the modem, activate the DTR signal to dial thenumber, or deactivate the DTR signal to end the callEEPROM-Electrically Erasable Programmable Read Only Memory module used to store,back-up, or transfer SLC 500 programs The SLC 500 can read and write to an EEPROMFlash EPROM-Flash Erasable Programmable Read Only Memory module It combines theprogramming versatility of EEPROMs with the security precautions of UVPROMs Thismeans that you have the option of leaving your EPROM programs write protected orunprotectedFull-duplex-A high performance protocol that allows simultaneous two-way datatransmission For point-to-point applications onlyHalf-duplex-A high performance protocol that can be used in point-to-point and multi-pointapplicationsInitiator-A node on the DH-485 network capable of acting as a master When an initiator hasthe token it can send messages and request replies from any node on the DH-485 networkA personal computer running the SLC 500 Advanced Programming Software is an initiatoron the data link The SLC 5/02 can also be an InitiatorInput Device-A device, such as a push button or a switch, that supplies signals throughinput circuits to a programmable controller.Inrush Current-The temporary surge current produced when a device orcircuit is initially energizedI/O-Inputs and OutputsIsolated Link Coupler-The link coupler provides an electrically isolated network connectionfor an SLC 500 controller (processor or programming station) The link couplers connect thedaisy-chained DH-485 communication cableLED- Light Emitting Diode. Used as status indicator for processor functions and inputs andoutputsManual-typically an acoustically coupled type of modem. The connection is established bya person on each end of the phone line. They then insert the handsets into an acousticcoupler to complete the connectionMaximum Watts- The maximum amount of heat that the module generates with field powerpresent.Minimum Load Current --The lowest amount of current die output is designed to operate atOperating at or below this value is not reliable.(page 3-464)Glossary
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