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Roving tester:
Test for overvoltage/AC on the line with isolation
Check Polarity of data lines
Check for both sides of twisted pair
Initiate Bi-Directional Communications of known test signal, load line....
Aggregate and display results
Battery Powered
Data Source:
Transmit known signal when prompted by roving tester, verify roving tester signal and send verification/aggragated RX packet quality....
Also needs overvoltage/ac protection
Wall Powered
Both:
RS-485 Electrical Signaling (Serial Multidrop LVDS)
115k Baud Max?
5-24V+
DMX protocol
1 wire pair with common ground and power (4 wires total)
As time permits:
Support for additional protocols
Enclosures
Delevarables:
Working prototype
Documentation
Microcontroller source code
Common Line Errors
Crosses to 220AC on any line
Open connection
Shorted connection
Swapped connection
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