Zhone 2000 ユーザーガイド

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support TDM. This provides the user with CPE investment protection, 
reduced inventory and training requirements, as well as a built-in migration 
path from TDM or VoATM to VoIP by a simple reconfiguration of the unit. 
No costly truck rolls or forklift upgrades are required.
The 2000 Series IADs are ideal for service providers, offering small 
businesses or home offices high-quality voice and data service over broadband 
circuits. The 2000 Series supports any POTS device via a voice subsystem, 
and any IP-based computer system (Ethernet printers; personal computers, 
including Windows, Macintosh, Unix, Linux, etc.; network file servers, and 
other network devices via a LAN subsystem.
Interfaces and Features of the
Low POTS Port Platform Architecture
Low POTS Port Platform Architecture
The Low POTS Port IADs are based on a single-board, fixed-configuration 
architecture. Each unit supports one WAN interface (T1/E1, SDSL, ADSL, 
SHDSL), one LAN interface, and four or eight POTS interfaces. The units are 
housed in a plastic enclosure with an external power supply.
All units are based on a common core design consisting of a Motorola Power 
QUICC CPU, 16 or 8 Mbytes of dynamic memory, and 2 Mbytes of FLASH 
memory. Voice packetization and processing are handled by Texas 
Instruments Digital Signal Processors (DSP).
Low POTS Port Features
The Low POTS Port IADs provide a highly interoperable, cost-effective voice 
and high-speed data integration solution that is compatible with 
industry-leading DSLAM and Voice Gateway manufacturers. These IADs 
prioritize voice packets and dynamically allocate bandwidth between voice 
and data services. Features include the following:
For SDSL, supports the following DSLAMs:
ATM: Lucent, Nortel, and Nokia
Frame Relay: AccessLan, CopperMountain, and Paradyne.
Supports the following Voice Gateways: CopperCom, JetStream, TdSoft, 
Broadsoft, MetaSwitch, Cirpack, NuERA Tollbridge, Nortel, General 
Bandwidth, Accelerated
Provides seamless voice and high-speed data integration over SDSL, T1/E1, 
ADSL, or SHDSL
Supports data from POTS and 10/100Base-T customer premise interfaces
Compatible with standards-based IP, ATM, and Frame Relay WAN 
protocols 
Provides RJ11 POTS interface with Loop Start or Ground Start