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Models 5843, 5844, 5843S and 5844S
RS-232 or TTL
•
Determine that the IED's originating signal is within standards.
If the Link/Repeater is not connected directly to an IED, determine that the electrical signal
received by the Link/Repeater is not corrupt. The Link/Repeater only repeats the signal it is given,
it does not re-clock or re-generate the signal.
•
Review the IED's software and protocols.
requirements and have the appropriate settings on the IED been made to compensate for
these requirements?
•
Consult factory.
The LEDs only illuminate when there is signal traffic and are not illuminated during signal "quiet"
times. The LEDs may "flicker". This is normal operation.
Link/Repeaters contain no serviceable parts. Opening the unit will void the warranty.
NOTE
Does the IED have physical "handshaking"
NOTE
NOTE
4-2
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