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This application is to extend a phone line via fiber optic cable. Follow the connections shown in the following
diagram. Connect two TC1901s via fiber optic and set one of them to FXO and the other to FXS. Connect
a regular dial-up phone line to "LINE" RJ11 of the "FXO" unit and connect a telephone set to "PHONE" RJ11
of the FXS unit. To establish a call, the users at the remote end (FXS side) can pickup the phone and dial
out to outside phone network just like regular telephone line extended. Make sure you set one of the units
as a "Master" and the other as a "Slave".
By connecting two TC1901s together using two regular telephone sets, the users at both sides of the fiber
link can have a hotlink phone line setup. When one user lifts up the handset, the remote side phone will start
to ring. When remote side user picks up the handset, the phone stops to ring and the conversation begins.
When conversation is over any user can replace the handset to hook to terminate the phone link. If either
party places the handset to hook and the other does not hang up, the phone on hook will continue to ring.
NOTE: You may experience some clicking noise, this is normal until the remote side picks up the handset.
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TC1901
User's Manual
Rev. 1.8
MNL-19010-01-18
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