Product category:
Communications ICs (Wired)
News Release from: Zarlink Semiconductor | Subject: ZL50111 family
Edited by the Electronicstalk Editorial
Team on 09 August 2004
Packet processors unite US and Korean
designs
Four equipment manufacturers in the USA and Korea are developing a range of networking equipment based on the ZL50111 family of TDM-over-IP packet processors.
Four equipment manufacturers in the USA and Korea - Comtec Systems, Eagle Telephonics, Intronics and Rivertree Networks - are developing a range of networking equipment based on the ZL50111 family of TDM-over-IP packet processors The companies are designing media gateways, central office and Ethernet switching products that transport legacy TDM services over packet networks
This article was originally published on Electronicstalk on 23 Sep 2003 at 8.00am (UK)
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The ZL50111 family of TDM-over-IP packet processors are the first devices to meet the protocols outlined in the industry's newest recommendation for TDM circuit transmission over packet networks.
Zarlink's ZL50111 TDM-over-IP packet processors transparently tunnel any type of Layer 2 TDM traffic, with associated timing and signalling, across any IP (Internet Protocol), MPLS (multiprotocol label switching) or Ethernet network.
"Equipment manufacturers are using Zarlink's TDM-over-IP processors to help carriers and service providers build out packet-based networks without disturbing existing services, revenues or installed infrastructure", said Jeremy Lewis, Product Line Marketing Manager, Zarlink Semiconductor.
"Customers are selecting Zarlink because we have the industry's broadest range of TDM-over-IP packet processors capable of handling 4, 8 or 32 steams per package while utilising the same application program interface".
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Following the launch of three low-density CES-over-packet processors, Zarlink Semiconductor now offers the industry's only end-to-end portfolio of circuit-to-packet devices.
Packet processor for broadband networks
Mitel Semiconductor has introduced the world's highest density AAL2 segmentation and re-assembly (SAR) device.
Quality of service is key to Gigabit Ethernet ICs
The MVTX2800 family of Gigabit Ethernet switching ICs from Zarlink Semiconductor deliver full-wire speed forwarding and leading quality of service features to metropolitan optical access equipment.
Intronics, based in the USA, is developing TDM-over-IP media gateways to transport point-to-point, aggregated or distributed T1/E1 or T3/E3 TDM traffic over any local, metropolitan or continental IP network.
Additionally, Comtec Systems of Korea is marketing a module-based TDM-over-IP media gateway that allows customers to choose from 4-, 8- or 16-port versions as network traffic demands dictate.
Service providers deploying a media gateway powered by Zarlink's TDM-over-IP technology can significantly reduce operating costs by eliminating leased trunk lines, and support a greater range of services including TDM-over-packet, without requiring a forklift upgrade of installed network equipment.
Similarly, a cellular service provider currently leasing a costly fixed line to connect a wireless base station and a switching centre, could instead emulate TDM voice traffic across a more cost-effective Ethernet network with no noticeable change in voice quality for the end-user.
USA-based Eagle Telephonics has developed a distributed central office network infrastructure for public switched telephone networks.
Incorporating Zarlink's ZL50111 TDM-over-IP processor family, Eagle Telephonics network switches will be linked via an Ethernet or IP network, reducing operating and network management expenses by carrying all voice and data traffic over a single converged network.
Previously, multiple on-site cabinets were interconnected by E1 lines.
In addition, a line card slot that had been required for the E1 interconnection is freed up, allowing the network to handle increased services.
As Ethernet switches increasingly dominate the enterprise, service providers are seeking opportunities to offer new revenue-generating applications while customers are considering migrating their voice services to the packet connection.
Rivertree Networks is currently developing a multiservice access Ethernet switching family, using Zarlink's TDM-over-IP devices to carry legacy traffic across a PSN (packet-switched network).
The Korean-based company's Layer 2 IP switches support different levels of service, from four T1/E1 lines and two Fast Ethernet ports to 32 T1/E1 lines and three Fast Ethernet ports.
Rivertree Networks' switching family provides a simple, inexpensive migration route towards an all-IP network.
Service providers can carry voice, ATM and frame relay services over the Ethernet network, thereby reducing leased line costs.
Enterprise customers can easily roll out VPN (virtual private network) and voice-over-packet services across a PSN, without requiring equipment upgrades or compromising current telephony features.
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