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TXC04212

Transwitch
Part Number TXC04212
Manufacturer Transwitch
Description Ethemet Into STS-12/STM-4 SONET/SDH Mapper
Published Dec 1, 2005
Detailed Description EtherMap™-12 Device Ethernet into STS-12/STM-4 SONET/SDH Mapper TXC-04212 DATA SHEET PRODUCT PREVIEW FEATURES • Eight 10...
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TXC04212
TXC04212

Overview
EtherMap™-12 Device Ethernet into STS-12/STM-4 SONET/SDH Mapper TXC-04212 DATA SHEET PRODUCT PREVIEW FEATURES • Eight 10/100 Mbit/s Ethernet ports, each using a SMII interface • Single 1000 Mbit/s Ethernet port, using a parallel GMII interface (lead shared with SMII interfaces) • Ethernet Management interface for control and configuration of externally connected PHYs • GMII Mux-mode allowing multiple concatenation groups from one GMII • Supports IEEE 802.
3 flow control (Half and Full-duplex) and management statistics (RMON) on 10/100/1000 Mbit/s Ethernet ports (100 Mbps full-duplex only) • 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) • IETF RFC2878, Point-to-Point Protocol (PPP) with Bridging Control Protocol (BCP) support • Transparent HDLC processing • Performs mapping/demapping of encapsulated Ethernet frames into/from Low Order Virtual Concatenated • Payloads and High Order virtual and contiguous concatenated payloads • Dynamic bandwidth allocation using LCAS (ITU-T G.
7042) for Low and High Order Virtual Concatenated payloads • Glueless memory interface to external SDRAMs (up to 256 Mb) • Low Order POH and Pointer processing for 336/252 VT/TUs • High Order POH and Pointer processing for STS-1/VC-3/ STS-3c/VC-4, STS-6c, STS-9c and STS-12c/VC4-4c • Byte-wide 77.
76MHz Add /Drop Line Telecom Bus interfaces • Per-port Ethernet side and SONET/SDH system side loopback for system level diagnostics • 16-bit wide microprocessor interface, selectable between Motorola or Intel • API based driver provided (comparable with EtherMap-3) • Boundary scan (IEEE 1149.
1 standard) • + 3.
3V and +1.
2V power supplies, 5V tolerant I/O leads • 580-lead Plastic Ball Grid Array Package (PBGA) DESCRIPTION The EtherMap™-12 is a highly integrated, STS-12/STM-4 rate SONET/SDH device that provides mapping of 10/100/1000 Mbps Ethernet...


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