RLH Industries 16 Channel T1 Over Ethernet Multiplexer System Guía de usuario Pagina 15

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4 Channel Analog Phone (POTS) Modules
Analog phone uses RJ-11 connectors and are supplied as FXS/Sub side and FXO/CO side modules.
The FXO/CO module is connected to a central office or PBX, and the FXS/Sub module is connected to the
customer telephone. Each line number FXO raises the same line number FXS, and provides 64k voice bandwidth.
Use an FXS module on each end for ringdown operation where connection to phones on both ends of the system
is desired.
PIN 1
PIN 4
4 PIN RJ-11
Female
Analog Channel
Pin
Description
Analog Voice
3
Tip
Analog Voice
2
Ring
FXO FXS
Fiber Optic
Cable
POTS
POTS
iMux
Analog Phone
FXS Module
Analog Phone
FXO Module
iMux
PSTN or PABX
(Central Oce)
Analog Phone
Lines
1
2
3
4
1
2
3
4
Analog
Phones
4 Channel Analog Phone Module
Connection Diagram
POTS
POTS
Analog Phone
FXS Module
Analog Phone
FXS Module
Fiber Optic
Cable
iMux iMux
1
2
3
4
Analog
Phones
1
2
3
4
Analog
Phones
4 Channel Analog Phone Module
Ringdown Connection Diagram
Introduction# RLH Industries, Inc. • 866-DO-FIBER • www.fiberopticlink.com! 15
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