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2.4 Installation of the Extension Cards
56 Installation Manual
2.4.2 PLC4 Card
Function
4-port extension card for APTs, DSS consoles, and a VPS.
Accessories and User-supplied Items
Accessories (included): Extension Bolt × 1, Strap × 1
User-supplied (not included): RJ11 connector
Pin Assignments
RJ11 Connector
Signal Name Function
D1 Data port (High)
TTip
RRing
D2 Data port (Low)
To extension
RJ11
4 1
R T
D2 D1