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40 pin Dell Axim proprietary connector layout
40 pin Dell Axim proprietary connector
Pin Function
01 GND (shield), also on USB charger cable PCB
02 (completely unconnected on USB charger cable PCB)
03 +5.5V, also on USB charger cable PCB (red)
04 +5.5V, also on USB charger cable PCB (red)
05 +5.5V, also on USB charger cable PCB (red)
06 +5.5V, also on USB charger cable PCB (red)
07 +5.5V, also on USB charger cable PCB (red)
08 +5.5V, also on USB charger cable PCB (red)
09 (completely unconnected on USB charger cable PCB)
10 power out (PDA battery volts) completely unconnected on USB charger cable PCB
11 (completely unconnected on USB charger cable PCB)
12 leads to test pad on USB charger cable PCB, but unconnected?(usb enable, active low)
13

(rs232 enable, active low) leads to test pad on USB charger cable PCB, but unconnected?

14 SEL (black), also leads to test pad and further line on USB charger cable PCB (tie to ground to enable power out of pin 10)
15 GND (shield), also on USB charger cable PCB
16 (completely unconnected on USB charger cable PCB)
17 (completely unconnected on USB charger cable PCB)
18 (completely unconnected on USB charger cable PCB)
19 (completely unconnected on USB charger cable PCB)
20 GND (shield), also on USB charger cable PCB
21 unknown, almost unused (someone said its GND (shield), but its most likely NOT correct: since the Axim inside picture doesnt show the usual ground layer non-connection, but rather a small line connecting to it - its some DATA signal!), also leads to unconnected test pad on USB charger cable
22 GND (shield), also on my USB charger cable PCB
23 GND (shield), also on my USB charger cable PCB
24 CTS TTL (orange), completely unconnected on USB charger cable PCB
25 RxD TTL (green), completely unconnected on USB charger cable PCB
26 DCD TTL (yellow), completely unconnected on USB charger cable PCB
27 DSR TTL (blue), completely unconnected on USB charger cable PCB
28 DTR TTL (brown), completely unconnected on USB charger cable PCB
29 RTS TTL(red), completely unconnected on USB charger cable PCB
30 TxD TTL (grey), completely unconnected on USB charger cable PCB
31 GND (shield), also on USB charger cable PCB
32 unknown, unused? (no line seen on inside picture either), completely unconnected on USB cable PCB
33 unknown, unused? (no line seen on inside picture either), leads to big test pad on USB cable PCB
34 GND (shield), also on USB charger cable PCB
35 USB Device, Data - (white), connected on USB charger cable PCB (white)
36 USB Device, Data + (green), connected on USB charger cable PCB (green)
37 GND (shield), also on USB cable PCB
38 unknown, unused? (no line seen on inside picture either), completely unconnected on USB cable PCB
39 unknown, unused? (no line seen on inside picture either), completely unconnected on USB cable PCB
40 GND (shield), also on USB cable PCB

 

Axim X5 USB cable pinout

Pin USB Signal Dell Axim pins
1 USB +5V 5,6,7
2 USB D- 35
3 USB D+ 36
4 GND 12,15,23,31

Note that serial circuitry is powered down when no signal is on CTS of dell serial cable. Dell cable includes ttl to rs232 converter and cts enables pin 14 of axim.

4 pin USB A plug connector layout
4 pin USB A plug connector
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