PM73487 datasheet(18/251 Pages) PMC

18 / 251 page

PM73487 QRT

PMC-Sierra, Inc.

PMC-980618

Issue 3

622 Mbps ATM Traffic Management Device

Released

Datasheet

1.3

32 x 32 Switch Application (5 Gbps)

Figure 4 shows a basic 32

× 32 switch application (5 Gbps) using eight QRTs and one QSE.

1.4

64 x 64 Switch Application (10 Gbps)

Figure 5 shows a 64

× 64 switch application (10 Gbps) using 16 QRTs and 6 QSEs. This applica-

tion uses QSEs in a 3-stage fabric. This sized system can be implemented in a single 19-inch rack.

Figure 4. 32 x 32 Switch Application (5 Gbps)

Figure 5. 64 x 64 Switch Application (10 Gbps)

QRT #1

(PM73487)

Receive Input

QRT #8

(PM73487)

Receive Input

QSE

(PM73488)

× 4

622 Mbps

Aggregate

622 Mbps

Aggregate

Receive UTOPIA

Level 2

QRT #1

(PM73487)

Transmit Output

QRT #8

(PM73487)

Transmit Output

× 4

622 Mbps

Aggregate

622 Mbps

Aggregate

Transmit UTOPIA

Level 2

QRT #1

(PM73487)

Receive Input

QRT #8

(PM73487)

Receive Input

QSE

(PM73488)

622 Mbps

Aggregate

Receive

UTOPIA

Level 2

QRT #1

(PM73487)

Transmit Output

QRT #8

(PM73487)

Transmit Output

622 Mbps

Aggregate

QRT #9

(PM73487)

Receive Input

QRT #16

(PM73487)

Receive Input

QRT #9

(PM73487)

Transmit Output

QRT #16

(PM73487)

Transmit Output

Transmit

UTOPIA

Level 2

QSE

(PM73488)

QSE

(PM73488)

QSE

(PM73488)

QSE

(PM73488)

QSE

(PM73488)

622 Mbps

Aggregate

622 Mbps

Aggregate

Receive

UTOPIA

Level 2

622 Mbps

Aggregate

× 16

Transmit

UTOPIA

Level 2

622 Mbps

Aggregate

622 Mbps

Aggregate

622 Mbps

Aggregate

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