HP dx2310 Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 65
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 Pin 13 14 15 16 17 18-25 Signal Select Auto Linefeed Error Initialize Printer Select IN Signal Ground Serial Interface, Powered and Non-Powered Connector and Icon Pin 1 2 3 4 5 6 7 8 9 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) 1 23 Pin 1 (Tip) 2 (Ring) 3 (Shield) Signal Audio Power Ground A-2 490778-001 Service Reference Guide
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