CHAPTER 3. Installing Printed Circuit Cards
3.1 3TRK Card
3 loop start trunk ports and 2 PFT(Power Failure Transfer) ports for PFT.(See Figure 3.1)
This card has no selectable option. Insert the 3 TRK card into the appropriate slot. Push
firmly in the middle of both card ejectors to ensure that it is fully inserted into the back
plane connector.
3-2
Figure 3.1 3TRK Card and 6TRK Card
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