Paradyne T1 T1 Access Mux 926x - Manual (Page 42)

Applications
3-8 9161-A2-GH30-30 April 1998
Off-Premises Extension (OPX)
The configuration shown in the following diagram permits a branch location to
access the PBX line as if it were locally connected. Likewise, the branch office
phones appear as if they are locally connected. A call between the two sites does
not result in any long distance charges.
Router Router
Mainframe
97-15672
T1 Access
Unit
T1 Access
Unit
PBX
FXO
FXS
Headquarters Branch Office
PBX
Line
X114
X113
X112
X111
X114
Off-Premises Extension
Direct Inward Dial (DID)
The configuration shown in the following diagram allows an incoming call to dial
to an extension from the PBX, without going through the main switchboard.
Central
Office
(CO)
97-15673
T1 Access
Unit
PBX
T1 Facility
FXO
DID Lines
Direct Inward Dial