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TXC04226

Transwitch
Part Number TXC04226
Manufacturer Transwitch
Description Ethernet Into STS-3/STM-1 SONET/SDH Mapper
Published Dec 1, 2005
Detailed Description EtherMap™-3 Device Ethernet into STS-3/STM-1 SONET/SDH Mapper TXC-04226 PRODUCT INFORMATION FEATURES • Supports up to ei...
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TXC04226
TXC04226

Overview
EtherMap™-3 Device Ethernet into STS-3/STM-1 SONET/SDH Mapper TXC-04226 PRODUCT INFORMATION FEATURES • Supports up to eight 10/100 Mbit/s Ethernet ports, each using a SMII interface • Supports a single 1000 Mbit/s Ethernet port, using a parallel GMII interface (pin shared with SMII interfaces) • Supports Ethernet Management interface for control and configuration of externally connected PHYs.
• Supports IEEE 802.
3 flow control and management statistics (RMON) on 10/100/1000 Mbit/s Ethernet ports • Supports Ethernet frame encapsulation/decapsulation protocols: • ITU-T G.
7041, Generic Framing Procedure (GFP) • ITU-T X.
86/X.
85, Link Access Procedure SDH (LAPS) • ITU-T Q.
922, Link Access Procedure Frame Mode (LAPF) • Performs mapping/demapping of encapsulated Ethernet frames into/from low order (VT1.
5 SPE/VC-12) and high order (STS-1 SPE/VC-3) virtual concatenated payloads • Performs mapping/demapping of encapsulated Ethernet frames into/from a single contiguous concatenated (STS-3c-SPE/ VC-4) payload • Supports optional LCAS processing (per ITU-T G.
7042) for low and high order virtual concatenated payloads • Glueless memory interface to external 64/128Mb SDRAMs • Supports 84/63 VT/TU Low Order POH and Pointer processing • Supports High Order POH processing for STS-1/VC-3/ STS-3c/VC-4 • Byte-wide parallel Add and Drop Telecom Bus interfaces • Supports per-port Ethernet side and SONET/SDH system side loopback for system level diagnostics • 16-bit wide microprocessor interface, selectable between Motorola or Intel • Boundary scan (IEEE 1149.
1 standard) • + 3.
3V and +1.
8V power supplies, 5V tolerant I/O leads • 256-lead plastic ball grid array package (27 mm x 27 mm) DESCRIPTION The EtherMap™-3 is a highly integrated device that provides for mapping of 10/ 100/1000 Mbit/s Ethernet into SONET/SDH STS-3/STM-1 Transport payloads.
The device supports connection for up to eight 10/100 Mbit/s Ethernet ports, using SMII interfaces, or a single 1000 Mbit/s Ethernet port, using a ...


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