參數(shù)資料
型號: PM73488
廠商: PMC-SIERRA INC
元件分類: 數(shù)字傳輸電路
英文描述: 5 Gbit/s ATM Switch Fabric Element
中文描述: ATM SWITCHING CIRCUIT, PBGA596
封裝: EPBGA-596
文件頁數(shù): 19/135頁
文件大?。?/td> 1735K
代理商: PM73488
PMC-Sierra, Inc.
PM73488 QSE
L
PMC-980616
Issue 3
5 Gbit/s ATMSwitch Fabric Element
Released
Datasheet
21
Figure 9 shows a 5 Gbps ATM switch using 8 port cards (8 QRTs) and 17 switch cards (34 QSEs). The middle stage
is composed of 16 switch cards. The 5 Gbps bandwith is achieved by adding switch card #17 (which is depicted using
two boxes: one stage 1 QSE and one stage 3 QSE), and eight port cards (each of which is depicted using two boxes:
one for the Rx input side, and one for the Tx output side). Lines between stage 1 and stage 2, and stage 2 and stage 3
switch cards represent two sets of wires, one to each of the QSEs in the middle stage switch cards.
Figure 9. 5 Gbps ATM Switch
Port Card #1
Rx Input
622 Mbps
Port Card #8
Rx Input
622 Mbps
Switch Card #17
Stage 1 QSE
Port Card #1
Tx Output
622 Mbps
Port Card #8
Tx Output
622 Mbps
Switch Card #17
Stage 3 QSE
Switch Card #16
Switch Card #2
Switch Card #1
x2
x2
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