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6. The relationship between the PI unit and the LM unit
<The case where the tie-line system consisting of 2 or 3 exchanges
has an exchange without the PI unit>
The case where it is necessary to make the paging call from the
exchange without the PI unit to the other exchange (s).
Set "Paging" DIP switch (SW-B-4) to ON.
You may not substitute the LM unit (LM8 or LM16) for the PI
unit.
EX-610: Max. 48 stations, EX-620: Max. 112 stations
The case where the paging call is unnecessary from the exchange
without the PI unit to the other exchange (s).
Set "Paging" DIP switch (SW-B-4) to OFF.
You may substitute the LM unit (LM8 or LM16) for the PI unit.
EX-610: Max. 56 stations, EX-620: Max. 120 stations
Exchange "A"
Exchange "B"
paging call is possible
Exchange "A"
Exchange "B"
paging call is impossible
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