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PROBLEM
PROBABLE CAUSE
SOLUTION
Extensions connected to an
Expansion Shelf do not
send a dial tone.
•
Bus Cable is not
connected properly.
•
Connect the Bus Cables properly.
•
Optional service card
malfunction: BUS-S
•
Replace the corresponding shelf
expansion card.
•
Defective Bus Cable
(included with BUS-M
card or BUS-ME card).
•
Replace the corresponding Bus Cable.
Installation Manual
241
5.1.1 Installation