C a b l e S p e c i f i c a t i o n sA p p e n d i x A : P r i n t e r a n d C a b l e S p e c i f i c a t i o n sv A-9The interface signals and their associated pin assignmentsare identified in the Figure A.4.Figure A.4 Pin assignment for RS-232CSignal Name Pin # RS-232CFunction DirectionChassis GND 1 GND - - - - - -Transmitted Data 2 Data From PrinterReceived Data 3 Data To PrinterRequest to Send 4 Control From PrinterClear to Send 5 Control To PrinterData Set Ready 6 Control To PrinterSignal GND 7 GND - - - - - -Carrier Detect 8 Control To PrinterN/C 9, 10, 12 - - - - - - - - - - - -Send Data Noninverted 11 - - - - - - - - - - - -Receive Data Noninverted 13 - - - - - - - - - - - -Send Data inverted 14 - - - - - - - - - - - -N/C 15, 17 – 19 - - - - - - - - - - - -Receive Data Inverted 16 - - - - - - - - - - - -Data Terminal Ready 20 Control From PrinterN/C 21 – 25 - - - - - - - - - - - -WUG-APPA Page 9 Black,Cyan Sunday, January 22, 1995 8:55 PM
