TXC-04212

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-po...