8DCA Intertel DCA Intertel DCA Intertel 9 DCA Intertel5. Interface Specification5.1 Signal condition (Comply with EIA RS 232-C)CONDITION SIGNAL LEVELITEM Low HighBinary State “1” “0”Signal Condition Marking SpacingFunction Off On5.2 Signal Level (Comply with EIA RS-232-C)5.2.1. Absolute Maximum RatingsINPUT : +/- 30 VOUTPUT : +/- 30 V5.2.2.Electrical CharacteristicsPARAMETER CONDITION MIN. TYP. MAX. UNITOutput Voltage Swing Loaded with 3k to ground +/- 5 +/- 9 VInput VoltageOperating Range- 30 + 30 VInput Threshold Low V=5V,T=+25 C 0.8 1.2 VInput Threshold High V=5V,T=+25 C 1.7 2.4 VInput Hysteresis V=5V 0.2 0.5 1.0 V5.3 Data Speed9600 bps5.4 Synchronous System1.Asynchronous2.Start-bit : 1 bit (binary “0”)3.Data : 8 bit4.Parity : Non Parity5.Stop-bit : 1 bit5.5 Connector1. Part Name : DIN Connector (8 pin)2. Part Number : TCS2380-01-10113. DIN Standard No. :453264. Manufacturer : Hosiden Electronics Co. Ltd.5.6 Pin AssignmentACTIVE HI (BINARY “0”)Pin No. Signal Name I/O1 Signal GND2 ER OUTPUT3 N.C.4 N.C.5 N.C.6 N.C.7 RxD INPUT8 TxD OUTPUT5.6.1 ER: Equipment ReadyThe PRINTER is permitted to present the ON condition on circuit ER whenever it is rea-dy to receive data and to printThe ER is inactive (binary “1”) whenI.) The Duration is from power-on to the ready of CPU.II.) The paper chamber is emptyIII.) The drawer is not properly closed.IV.) Available memory in the RAM of the printer is 100 bytes or less.V.) The temperature of the thermal head is more than approximate 74 C°1243765819 MAX29 MAX11.8DIA8MAX7DIA12.40.613.9DIA22.215.1 DIA45°3.2 Dia Hole