User's Manual

Table Of Contents
Power from the MUX32 Bus
By default, the LRP820 is configured to run with power supplied by the net
-
work. In this mode, there is no galvanic isolation between the MUX32
wires and the LRP820, and there is no need for a separate power supply.
If you choose to power the LRP820 form the MUX32 bus, you do not need
to make any internal changes to cables and jumpers. Wire power according
to the pinouts given for the MUX32 connector in Figure 14, page 16.
Power via the external supply connector
The LRP820 contains components sensitive to electro-static discharge. Take
proper grounding precautions before opening the LRP820.
To change the LRP820 to run in isolated mode:
1. Open the LPR820 by loosening the four captive screws that se-
cure the cover.
2. Refer to Figure 25 and then move the power cable, labeled assem-
bly 10-3110, from connector J7 to J9.
3. The MUX32 cable, labeled assembly 10-3111, must then ex-
change places with the power cable, moving from J9 to J7.
Figure 25 Power Cable Connectors J7 and J9
Copyright © 2000 Escort Memory Systems
24 LRP820-Series Long-Range Passive Reader/Writer