B.3 db-26 auxiliary port pinout – Psion Teklogix Vehicle-Mount Computer 8525 G2 User Manual
Page 216
Appendix B: Port Pinouts
DB-26 Auxiliary Port Pinout
B-2
Psion Teklogix 8525 G2/8530 G2 Vehicle-Mount Computer User Manual
B.3 DB-26 Auxiliary Port Pinout
Pin
Number
Signal Name
Signal Type
Notes
1
EXT_5V_SW
Power
5 VDC @ 0.5 A maximum.
2
EXT_5V_SW
Power
5 VDC (Tied to pin 1).
3
N/C
Not used.
4
N/C
Not used.
5
N/C
Not used.
6
N/C
Not used.
7
GND
Power
8
P1_USB_HOST+
5V diff
12 Mbps serial data interface; con-
nects as a USB host to a USB
client device.
9
P1_USB_HOST-
5V diff
10
GND
Power
11
USB_DEVICE+
5V diff
12 Mbps serial data interface; con-
nects as a USB client to a USB
host device.
12
USB_DEVICE-
5V diff
13
GND
Power
14
P2_USB_HOST+
5V diff
12 Mbps serial data interface; con-
nects as a USB host to a USB
client device.
15
P2_USB_HOST-
5V diff
16
GND
Power
17
CONSOLE_RXD
RS232D
Console / diagnostic port.
18
CONSOLE_TXD
RS232D
Console / diagnostic port.
19
GND
Power
20
CONSOLE_TXD_SEL
3V3
Grounding this pin selects the
PCON as the console data source;
disconnecting it selects the main
processor.
21
MOTION DETECT
3V3
Grounding this pin indicates that
the terminal is in motion.
22
AUXILARY_PORT_ID
Analog
Connect this pin to ground through
an external resistor to identify the
connected device.