ADLINK Technology CoreModule 740 Reference Manual page 26

Chapter 3
Table 3-4. Utility 1 Interface Pin Signals (J5) (Continued)
45 USBN1-
46 PP_PE
47 USBP1+
48 GND10
49 GND11
50 PP_SLCT
51 USB_OC2*
52 FIRMode
53 USBPwr2
54 NC
55 USBN2-
56 GND12
57 USBP2+
58 IRTX
59 GND 13
60 IRRX
61 MDATA
62 SPKR
63 MSCK
64 GND14
65 GND15
66 ResetSW
67 MSPwr
68 KBSW
69 HDACT
70 KBDT
71 ExtSMI
72 KBCK
73 NC
74 GND16
75 NC
76 KBPwr
77 -12V
78 BATV+
79 -5V
80 BATV-
Note: The shaded areas denote power or ground. The signals marked with * indicate active low.
22
USB Port 1 Negative Polarity
Parallel Paper End – This is a status output signal from the printer. A high state
indicates it is out of paper.
USB Port 1 Positive Polarity
Ground 10 (USB)
Ground 11 (USB)
Parallel Select – This is a status output signal from the printer. A high state
indicates it is selected and powered on.
USB 2 Power Protection – Port is disabled if this input is low. Direct inputs are
provided for over current protection.
IR Function Mode Select – Tied to ground through 10k ohm resistor.
+5 volts +/-5% (USB2 Power)
Not Connected
USB Port 2 Negative Polarity
Ground 12 (USB)
USB Port 2 Positive Polarity
Not Connected
Ground 13 (USB)
Not Connected
Mouse Data
Speaker – Signal for external PC "Beep" speaker.
Mouse Clock
Ground 14 (Mouse)
Ground 15 (Mouse)
Reset Switch – Accepts external reset signal (momentarily grounding this pin.)
+5 volts +/-5% (Mouse Power)
Not Connected
IDE Hard Drive Active – Signal for external HDD activity LED.
Keyboard Data
Not Connected
Keyboard Clock
Not Connected
Ground 16 (Keyboard)
Not Connected
Keyboard Power
Not Connected
External Backup Battery Positive – External positive battery terminal.
Not Connected
External Backup Battery Negative – External battery ground.
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CoreModule 740