Max 410/420/430 Internet Protocol Device User's Guide

Max 410/420/430 User’s Guide – Chapter 2
12
Connecting the Max to a PBX
The following images illustrate the connections necessary
when connecting the Max 410, 420, or 430 to a PBX.
Connecting the Max 410’s FXO Ports to a
PBX
Figure 2 – Max 410 Connections to a PBX
LEGEND:
COIC/COIB: Central Office Interface Card or Board
PBX: Private Branch Exchange
PSTN: Public Switched Telephone Network
Trunk or CO Line: Line from Central Office switch