HP d248 HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 68
Parallel Interface, Serial Interface, Powered and Non-Powered, Microphone, Connector and Icon, Signal
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Connector Pin Assignments Parallel Interface Connector and Icon Pin Signal 1 Strobe 2 Data Bit 0 3 Data Bit 1 4 Data Bit 2 5 Data Bit 3 6 Data Bit 4 Pin Signal 7 Data Bit 5 8 Data Bit 6 9 Data Bit 7 10 Acknowledge 11 Busy 12 Paper End Serial Interface, Powered and Non-Powered Connector and Icon Pin 1 2 3 4 5 6 7 8 9 Pin 13 14 15 16 17 18-25 Signal Select Auto Linefeed Error Initialize Printer Select IN Signal Ground Signal Carrier Detect (12V if powered) Receive Data Transmit Data Data Terminal Ready Signal Ground Data Set Ready Request to Send Clear to Send Ring Indicator (5V if powered) USB Connector and Icon Pin Signal 1 +5 VDC 2 - Data 3 + Data 4 Ground Microphone Connector and Icon (1/8" miniphone) Pin 1 (Tip) 2 (Ring) 3 (Shield) Signal Audio Power Ground A-2 336493-004 Service Reference Guide, d200