Справочник Пользователя для Psion Inc PX750BT
Warrington Hand-Held Computer User Manual
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PPENDIX
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P
ORT
P
INOUTS
A.1
Tether Port Pinout
PIN #
Signal Name
1
Ground
2
USB Data Plus (can be configured as Host or Device)
3
USB Data Minus (can be configured as Host or Device)
4
USB VBUS (can provide 5V, 100mA Max for powering USB Devices)
5
RS-232 Tx data
6
RS-232 Rx Data
7
Tether detect resistor ID. Determines what kind of device is attached to the Tether port
8
DC Power In
9
DC Power In
10
DC Power In
11
RS-232 CTS
12
RS-232 RTS
13
RS-232 DSR
14
RS-232 DTR
15
RS-232 DCD
16
RS-232 RI
17
Ground
18
Ground
19
Ground
20
Ground
Preliminary Draft