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Testing cables
‘The Wife’ DMX Tester offers three methods of testing DMX512 cables and DMX512
networks.
The DOUBLE ENDED TEST is used when both ends of the cable are available. ‘The Wife’
DMX Tester can test for short circuits and open circuits on any of the three active pins of the
DMX512 cable.
The SINGLE ENDED TEST is used when only the console cable end is accessible. ‘The
Wife’ DMX Tester can test for a short circuit between the two signal pins.
The NETWORK TEST is used to transmit real test data over an installed network.
Double ended cable test
The DOUBLE ENDED TEST display shows the connectivity of each of the three active pins
of the DMX512 or MIDI cable. An OPEN CIRCUIT is shown by a period, and a SHORT
CIRCUIT is shown by the pin number. The diagram below shows a correct DMX512 cable.
The diagram below shows a DMX512 cable with pins 2 & 3 swapped.
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