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CESoP PROCESSORS ZL50118/19/20
PRODUCT PREVIEW
The ZL50120 family of low-density Circuit Emulation Services-over-Packet
processors offers a powerful and flexible approach to carrying TDM voice
and data traffic, with associated timing and signaling, across Ethernet, IP, and
MPLS networks.
Each device provides a flexible TDM interface with embedded timing that fully
meets T1/E1 timing and synchronization standards, allowing a seamless interface with T1/E1 equipment. With an integrated digital PLL, internal jitter buffer
memory and dual packet interface, the ZL50120 family reduces bill of material
costs and board space, and simplifies access equipment design. Complimenting the ZL50111 family of high-density CES-over-Packet chips, Zarlink offers
a complete portfolio of bridging devices capable of sending from one to 32
T1/E1 streams of TDM traffic over any PSN (packet-switched network).
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Nx64 kbps trunking enables traffic
grooming, fractional T1/E1 services
Fast Ethernet port allows Ethernet
and TDM traffic aggregation,
simplifying system-level design
Programmable multi-protocol
packet encapsulation supports RTP,
UDP, Ethernet VLANs, IPv4, IPv6
and evolving MPLS, PWE3 and
MEF Circuit Emulation standards
Patented hardware/software
techniques for clock recovery and
synchronization
Advanced QoS mechanism allows
traffic prioritization
Extremely low and stable latency,
intrinsic delays < 500 microseconds
Embedded Timing
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Flexible TDM access interface
supports T1/E1, T3/E3, H.110,
HMVIP and ST-BUS streams
Carrier-Grade Voice Quality
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CESoP Processors Expand Reach
+5"(
ZL50118
1 T1 or 1 E1 stream or 1 MVIP/ST-BUS stream at 2.048 Mbps or
1 H.110/H-MVIP/ST-BUS streams at 8.192 Mbps
ZL50119
2 T1 or 2 E1 streams or 2 MVIP/ST-BUS streams at 2.048 Mbps or 1
H.110/H-MVIP/ST-BUS streams at 8.192 Mbps
ZL50120
4 T1 or 4 E1 streams or 1 J2, 1 T3, 1 E3 or 1 STS-1 stream or
4 MVIP/ST-BUS streams at 2.048 Mbps or 1 H.110/H-MVIP/ST-BUS
streams at 8.192 Mbps
Applications
TDM traffic over packet networks
3G Wireless Backhaul
PON, FTTx, Broadband access
IP DSLAM, NG-DLC
TDM over Wi-Fi and WiMAX
MDU/MTU
Embedded timing recovers clocks
across packet networks
Per-port T1/E1 clock recovery in
unstructured CES mode
Adaptive clock recovery meets
G.823 for E1, G.824 for T1 timing
Dual-reference Stratum 3 DPLL
supports TDM H.110 and HMVIP
master/slave timing operation
Standard Compliant
ITU-T recommendation Y.1413
IETF PWE3 draft standards
CESoPSN and SAToP
MEF implementation agreement for
PDH circuits
MPLS forum draft CESoMPLS
implementation agreement
Evaluation boards and API
are available
ZL50118/19/20 CESoP PROCESSORS
APPLICATION
EPON (Ethernet Passive Optical Network)
Facing growing data traffic volumes and increased compe-
The per-port DCO (Digitally Controlled Oscillator) ensures
tition, carriers are extending their packet networks to cost-
precise synchronization of TDM and T1/E1 traffic across
effectively deliver multiple services to end users.
an EPON. Patented hardware/software techniques support
The diagram below shows how the ZL50120 low-density
adaptive and differential timing and synchronization.
CES-over-Packet processor may be used in the ONU/ONT
The dual Ethernet interface enables local Ethernet and TDM
(Optical Networking Unit/Terminal) of an EPON (Ethernet
traffic to be aggregated onto the Fast/Gigabit Ethernet net-
Passive Optical Network) to provide POTS, T1/E1, fractional
work uplink.
T1/E1 and Ethernet services.
Together with the high-density ZL50111 CESoP processor
The flexible TDM interface allows the device to be used di-
located in the Central Office’s OLT (Optical Line Terminal),
rectly with CODECs and framers in structured CES mode. In
Zarlink offers the industry’s only end-to-end portfolio of cir-
unstructured CES mode, the device interfaces directly to LIUs
cuit-to-packet devices for carrying TDM traffic over packet
providing independent timing recovery for each TDM port.
networks.
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Information relating to products and services furnished herein by Zarlink Semiconductor Inc. or its subsidiaries is believed to be reliable.
The products, their specifications, services and other information appearing in this publication are subject to change by Zarlink without notice.
ZARLINK, ZL, and the Zarlink logo are trademarks of Zarlink Semiconductor Inc.
© 2004, Zarlink Semiconductor Inc. All Rights Reserved.
Publication Number PP5890
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