3Com SuperStack II PathBuilder S330 Reference Manual page 263

CSU #1 connected to CSU #4
via unstructured DS1 CBR
CSU #2 connected to CSU #4
via structured DS1 CBR
Circuits Set Up on The PathBuilder S330/S310 #1
PVC END1 END2
#1 LAN1 T1/nxT1 or
E1/nxE1
#2 LAN1 T1/nxT1 or
E1/nxE1
#3 CSU1 T1/nxT1 or
E1/nxE1
Circuits Set Up By The Carrier (Cross Connects)
PVC END1 VPI/VCI1
#1 P1 0/150
#2 P1 0/200
#3 P2 0/200
#4 P2 0/450
#5 P1 0/250
Forward and Reverse VCCs Match in This Example. VCCs are
Undirectional. Only Forward Vccs are Shown for Easier Viewing.
Figure 183 PathBuilder S330/S310 Application
CSU #1
Unstructured Input
PathBuilder S330/S310 #1
LAN
1 n x T1
VPI/VCI Conn To
0/150 LAN2
0/200 LAN3
0/250 CSU4
END2 VPI/VCI2
P2 0/100
P3 0/100
P3 0/150
P3 0/200
P3 0/250
Ethernet Interface (10BASE-T or 10/100BASE-T)
CSU #2
Structured
Input
DS0 Drop and Insert
Via Structured DS1 CBR
ATM
Switched
Port P1
Network
PathBuilder S330/S310 #3
Circuits Set Up on the PathBuilder S330/S310 #2
PVC END1 END2
#1 LAN2 T1/nxT1 or
E1/nxE1
#2 LAN2 T1/nxT1 or
E1/nxE1
#3 PBX2 T1/nxT1 or
E1/nxE1
Circuits Set Up on the PathBuilder S330/S310 #3
PVC END1 END2
#1 LAN3 T1/nxT1 or
E1/nxE1
#2 LAN3 T1/nxT1 or
E1/nxE1
#3 PBX3 T1/nxT1 or
E1/nxE1
#4 CSU4 T1/nxT1 or
E1/nxE1
LAN
2
PathBuilder S330/S310 #2
n x T1
Port P2
PBX 3
Port P3
n x T1
CSU #3
LAN
3
CSU #4
VPI/VCI Conn To
0/100 LAN1
0/200 LAN3
0/250 PBX3
VPI/VCI Conn To
0/100 LAN1
0/150 LAN2
0/200 PBX2
0/250 CSU1
255
PBX 2