GE MiCOM P40 Agile Technical Manual page 724

Chapter 25 - Commissioning Instructions
4. Clear the statistics and record the number of valid messages and the number of errored messages after a
minimum period of 1 hour.
5. Check that the ratio of errored/good messages is better than 10-4.
6. Record the measured message propagation delays for channel 1, and channel 2 (if fitted).
Communications statistics and status – GPS synchronised with P594
1. Reset any alarm indications and check that no further communications failure alarms are raised.
2. Check channel status and propagation delays in the MEASUREMENTS 4 column for channel 1 (and channel
2 where fitted).
3. Check that the first four bits in 'Channel Status' (Rx, Tx, Local GPS, and remote GPS) are displaying '1'
(1111********** where * indicates a 'don't care' state).
4. Clear the statistics and record the number of valid messages and the number of errored messages after a
minimum period of 1 hour.
5. Check that the ratio of errored/good messages is better than 10-4. Record the measured message
propagation delays for channel 1, and channel 2 (if fitted).
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P543i/P545i
P54x1i-TM-EN-1