鈥?/div>
Up to 4 T1/E1, 1 J2, 1 T3/E3, or 1 STS-1 ports
H.110, H-MVIP, ST-BUS backplane
4 T1/E1, 1 J2/T3/E3 or 1 STS-1 ports
H.110, H-MVIP, ST-BUS backplanes
TDM
Interface
(LIU, Framer, Backplane)
Multi-Protocol
Packet
Processing
Engine
PW, RTP, UDP,
IPv4, IPv6, MPLS,
ECID, VLAN, User
Defined, Others
Dual
Packet
Interface
MAC
(MII, GMII, TBI)
Per Port DCO for
Clock Recovery
100 Mbps MII
Fast Ethernet
On Chip Packet Memory
(Jitter Buffer Compensation for 128 ms of Packet Delay Variation)
Dual Reference
Stratum 3 DPLL
Host Processor
Interface
32-bit Motorola compatible
DMA for signaling packets
Backplane
Clocks
JTAG
Figure 1 - ZL50115/16/17/18/19/20 High Level Overview
1
Zarlink Semiconductor Inc.
Zarlink, ZL and the Zarlink Semiconductor logo are trademarks of Zarlink Semiconductor Inc.
Copyright 2004-2005, Zarlink Semiconductor Inc. All Rights Reserved.
100 Mbps MII Fast Ethernet
or
1000 Mbps GMII/TBI Gigabit Ethernet