3Com manual PathBuilder S330/S310 Application

Ethernet Interface 229

Figure 167 PathBuilder S330/S310 Application

CSU #2

Structured

Input

PBX 2

			CSU #1					LAN
					DS0 Drop and Insert			2
					Via Structured DS1 CBR			PathBuilder S330/S310 #2
				Unstructured Input
				PathBuilder S330/S310 #1			ATM		Port P2	n x T1
			LAN		Port P1		Switched
							Network			PBX 3
			1		n x T1				Port P3
									n x T1
		CSU #1 connected to CSU #4								CSU #3
		via unstructured DS1 CBR
										LAN
		CSU #2 connected to CSU #4					PathBuilder S330/S310 #3			3
		via structured DS1 CBR
										CSU #4
Circuits Set Up on The PathBuilder S330/S310 #1					Circuits Set Up on the PathBuilder S330/S310 #2
PVC	END1	END2	VPI/VCI	Conn To	PVC	END1	END2		VPI/VCI	Conn To
#1	LAN1	T1/nxT1 or	0/150	LAN2	#1	LAN2	T1/nxT1 or		0/100	LAN1
		E1/nxE1					E1/nxE1
#2	LAN1	T1/nxT1 or	0/200	LAN3	#2	LAN2	T1/nxT1 or		0/200	LAN3
		E1/nxE1					E1/nxE1
#3	CSU1	T1/nxT1 or	0/250	CSU4	#3	PBX2	T1/nxT1 or		0/250	PBX3
		E1/nxE1					E1/nxE1
Circuits Set Up By The Carrier (Cross Connects)					Circuits Set Up on the PathBuilder S330/S310 #3
PVC	END1	VPI/VCI1	END2	VPI/VCI2	PVC	END1	END2		VPI/VCI	Conn To
#1	P1	0/150	P2	0/100	#1	LAN3	T1/nxT1 or		0/100	LAN1
							E1/nxE1
#2	P1	0/200	P3	0/100	#2	LAN3	T1/nxT1 or		0/150	LAN2
							E1/nxE1
#3	P2	0/200	P3	0/150	#3	PBX3	T1/nxT1 or		0/200	PBX2
							E1/nxE1
#4	P2	0/450	P3	0/200	#4	CSU4	T1/nxT1 or		0/250	CSU1
							E1/nxE1
#5	P1	0/250	P3	0/250

Forward and Reverse VCCs Match in This Example. VCCs are

Undirectional. Only Forward Vccs are Shown for Easier Viewing.