PHD User Guide
28
PHD Switches and Connectors
Name
Description
Usage comments
JP5 connector
Multi pin connector to the
PHD.
Main connector to the PHD connector(s).
Recovery
switch
Connects USB_VBUS for
Recovery, Programming,
or Normal modes.
Switch to V_RCV for recovery mode (>+6Vdc).
Switch to V_USB (+5Vdc) to program PHD28 and
PHD70.
Leave in Neutral to program PHD50 and for normal
operation.
Recovery Switch Operation:
1. With the Power Switch OFF, Place Recovery
Switch in neutral position.
2. Power up the PHD.
3. Place the recovery switch in V_USB position.
4. Send the application file.
5. PHD should reboot in about 20-30 seconds after
the file is sent.
Keep the Recovery Switch in neutral position for
normal boot mode. The V_RCV position is for
factory use only.
Video 1 and 2
connector
Connector for analog
cameras.
Used to provide video input from the analog camera
to the PHD.
Audio 1 and 2
Connector
Connector for audio input
and output for the audio.
Not enabled on the Standard products, intended for
future use.
USB external
Connector for USB to PC
or memory stick.
Intended for application downloads from a PC or
USB memory stick in development.
USB to PHD
Connector for USB to the
PHD.
Intended for application downloads from a PC or
USB memory stick in development.
Ethernet
external
Connector for Ethernet
connection to PC,
gateway or bridge.
Not enabled on the Standard products, intended for
future use.
Ethernet to
PHD
Connector for Ethernet to
the PHD.
Not enabled on the Standard products, intended for
future use.
8.2.2.
Jumpers
Figure 8.3. GPIO and audio jumpers