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Max 410/420/430 User’s Guide – Chapter 2
13
Connecting the Max 420’s FXS Ports to a
PBX
Figure 3 – Max 420 Connections to a PBX
LEGEND:
SLIC/SLIB: Subscriber Line Interface Card/Board
SLT: Single Line Terminal or Telephone (analog telephone)
Trunk or CO Line: Line from Central Office switch