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TDM over Packet Gateway device
The AC2560 TDM over Packet device implements Circuit Emulation Services Interworking Functions (CES IWF) for a fully channelized OC-3 or STM-1 capacity and 16 additional DS1/E1 TDM ports. Each of the DS1 or E1 channels are processed individually to provide a highdensity Gateway between TDM over SONET/SDH and TDM over packet.
The device integrates all functions for TDM transport gateway applications in wireless backhaul systems: SONET/SDH line interface with 1+1 APS protection, VT-1.5/VC-12 mappers, E1/DS1 framers, TDMoP IWF, and packet header processing.
The AC2560 implements the SAToP and CESoPSN modes defined by IETF, MEF, MFA and ITU. These support transport of transparent DS1/E1 channels, or provide bandwidth efficient nx64 fractional channels.
Each TDM channel can be configured independently for adaptive, differential or retiming clock recovery mode, and each channel may operate at a different clock rate.
The integrated DS1/E1 framers enable fault and performance monitoring, including test pattern insertion and loopback. The device supports Ethernet, VLAN, IP and MPLS PWE3 packet headers, and a dual Gigabit Ethernet interface.
The device is ideally prepared for new protocols or standards evolution due to its FPGA based design.
Evaluation systems are available for system level testing.
The device integrates all functions for TDM transport gateway applications in wireless backhaul systems: SONET/SDH line interface with 1+1 APS protection, VT-1.5/VC-12 mappers, E1/DS1 framers, TDMoP IWF, and packet header processing.
The AC2560 implements the SAToP and CESoPSN modes defined by IETF, MEF, MFA and ITU. These support transport of transparent DS1/E1 channels, or provide bandwidth efficient nx64 fractional channels.
Each TDM channel can be configured independently for adaptive, differential or retiming clock recovery mode, and each channel may operate at a different clock rate.
The integrated DS1/E1 framers enable fault and performance monitoring, including test pattern insertion and loopback. The device supports Ethernet, VLAN, IP and MPLS PWE3 packet headers, and a dual Gigabit Ethernet interface.
The device is ideally prepared for new protocols or standards evolution due to its FPGA based design.
Evaluation systems are available for system level testing.
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Block Diagram of the TDM over Packet Gateway device IP Core
