User's Guide

Port Pinouts A - 3
LIF (Low Insertion Force) Pinout
Tether Port Pinout
PIN # Signal Name
1 Ground
2 Ground
3 USB Host Data Plus, For connecting USB devices
4 USB Host Data Minus, For connecting USB devices
5 USB Host Power, for powering USB devices (5V, 100mA Max)
6 DC Power in, for supplying power to Workabout Pro4/ charging battery (5V, 3A)
7 DC Power in, for supplying power to Workabout Pro4 / charging battery (5V, 3A)
8 LIF Detect, determines if a device is attached to the LIF
9 USB Device Data Minus, for operating the Workabout Pro4 as a USB device
10 USB Device Data Plus, for operating the Workabout Pro4 as a USB device
11 Ground
12 Ground
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 RS232 Tx data
6 RS232 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 RS232 CTS
12 RS232 RTS
13 RS232 DSR
14 RS232 DTR
15 RS232 DCD
16 RS232 RI
17 Ground
18 Ground
Draft #6