Max 8 and 8 Plus User’s Guide – Chapter 2
12
1
2
3
4
5
6
7
8
9
*
8
#
Hub
or
Switch
PBX
Switch
Power
4
3
2
1
Uplink
5
Analog
Telephone
Connects to analog
trunk card, COIC
(COIB), or FXO card of
PBX
1
2
3
4
5
6
7
8
9
*
8
#
PBX
Telephone
PSTN
CO Line
LAN
CONSOLE
POWER
ON
OFF
AC 110-240V
1 2 3 4
1 2
3
4
FSU
FOU
1 2 3 4
1 2
3
4
FXS Ports
FXO Ports
Figure 2 – Max 8 Plus PBX Connections (FXS)
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 or switch
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