PM73487-PI datasheet(19/251 Pages) PMC

19 / 251 page

PM73487 QRT

PMC-Sierra, Inc.

PMC-980618

Issue 3

622 Mbps ATM Traffic Management Device

Released

Datasheet

1.5

5 Gbps to 20 Gbps Application Example - Seamless Growth

This section illustrates the modularity of the QRT (PM73487) and QSE (PM73488) architecture.

A 5 Gbps system can immediately be created (as shown in Figure 6 on page 7), and then be

upgraded to 10 Gbps (as shown in Figure 7 on page 7), or 20 Gbps (as shown in Figure 8 on page

8). Since all these systems are based on a single-stage switch fabric, the per-port cost for each sys-

tem will remain the same.

Figure 6. 5 Gbps ATM Switch Using 16 Dual S/UNIs, 8 QRTs, and 1 QSE

Figure 7. 10 Gbps ATM Switch Using 32 Dual S/UNIs, 16 QRTs, and 2 QSEs

Switch Card

• One QSE (PM73488)

Eight

155 Mbps

Interfaces

Port Card

• Two QRTs (PM73487s)

Eight

155 Mbps

Interfaces

Eight

155 Mbps

Interfaces

Eight

155 Mbps

Interfaces

Port Card

• Two QRTs (PM73487s)

Port Card

• Two QRTs (PM73487s)

Port Card

• Two QRTs (PM73487s)

Switch Card

• One QSE (PM73488)

•

Eight

155 Mbps

Interfaces

Port Card 1

• Two QRTs (PM73487s)

Eight

155 Mbps

Interfaces

Port Card 8

• Two QRTs (PM73487s)

Switch Card

• One QSE (PM73488)

PM73487-PI Datasheet(PDF) 19 Page - PMC-Sierra, Inc

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