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| Preliminary PEB1756E REV. P1.0.0 TETHYSTM 448 16 STS-48/STM-16 MUX/DEMUX GENERAL DESCRIPTION TethysTM 448 is optimized for SONET/SDH applications as a full-duplex sixteen STS-48/STM-16 or a mix of sixteen STS-12/STM-4 and STS-3/STM-1 MUX/DEMUX with full framer functionality including pointer processing, and overhead termination; ideal for aggregation, ADM and DWDM applications. In the demultiplex ingress direction, TethysTM 448 accepts either sixteen STS-48/ STM-16, or a mix of sixteen STS-12/STM-4 and STS-3/ STM-1 signals in serial 2.5 Gbit/s or serial 622 Mbit/s or serial 155 Mbit/s format. TethysTM 448 locates the incoming SONET/SDH frame, optionally de-scrambles the data, monitors the TOH and POH, and provides STS-1 level pointer processing. In addition, TethysTM 448 supports TOH and POH overhead transparency. In the multiplex direction, TethysTM 448 accepts sixteen STS-48/STM-16 signals in serial 2.5 Gbit/s format. TethysTM 448 further provides corresponding functionality in the DEMUX direction. * Supports auto-detection of concatenation streams STS-3c/STM-1, STS-12c/STM-4 and STS-48c/ STM-16 * Supports STS-1 level pointer processing of STS-48/ STM-16 or STM-12/STM-4 or STS-3/STM-1 streams * Provides interfaces for dropping alarm and status information, and for forcing alarm conditions * Power dissipation of 15 W, depending on mode of operation * Terminates and generates SONET section, line, and path layers * Provides TOH and POH transparency * Provides monitoring of POH bytes B3 and N1/Z5 * Provides B2 SF/SD capability for Poisson and bursty error distribution * Provides full TOH/POH add/drop * Provides STS-1 level POH add/drop * Supports more than 746 UI * Programmable output skew on STS48/STM-16 output links to external cross-connects * For diagnostic purposes, Tethys provides PRBS generator/checker and loop backs * Provides B1, B2, H1 and H2 bit error generation for both receive and transmit direction diagnostics * Provides 1 second performance monitors * 0.13 mm process, 1.2 V core, 3.3 V I/O * Motorola 32-bit synchronous microprocessor interface for configuration, control, and status monitoring * Complies with GR-253, GR-1377, ITU-T G.707, and ANSI T1.105 * Provides a standard 5 signal IEEE 1149.1 JTAG test port for boundary scan board test purposes SPECIFICATIONS APPLICATIONS * ADM * Metro Aggregation * Digital Cross Connects * Repeaters * DWDM Equipment * Test Equipment FEATURES * Provides serial STS-48/STM-16, STS-12/STM-4 or STS-3/STM-1 links * Differential CML 2.5 Gbit/s I/O interface to optics * Differential CML 2.5 Gbit/s I/O interface to system/ backplane * TFI-5 Support * Processes SONET/SDH sixteen STS-48/STM-16 or a mix of sixteen STM-12/STM-4 and STS-3/ STM-1 on the line side interface * Processes SONET/SDH sixteen STS-48/STM-16 on the system/client side serial 2.5 Gbit/s interface * Provides line timing of all line and system side interfaces * Processes SONET/SDH flexible concatenation streams of STS-2c, 3c, 4c, ... to 48c * OIF TFI-5 STANDARDS * ANSI T1.105-2000-193R2 (DRAFT) * ANSI T1.105.05-1994 * T1X1.3/93-005RI -1993 - preliminary * GR-253-CORE Sept. 2000 1 of 2 Preliminary PEB1756E P1.0.0 TETHYSTM 448 16 STS-48/STM-16 MUX/DEMUX ORDERING INFORMATION PART NUMBER PEB1756E PACKAGE 1397 CBGA OPERATING TEMPERATURE RANGE -40C to +85C PEB1756E BLOCK DIAGRAM #1 2.5G STS-48 Optics #2 STS-48 4x2.5G #1 STS-48 1x2.5G STS-48 1x2.5G 2.5G STS-48 Optics #3 STS-48 4x2.5G #8 STS-48 Link STS-48 4x2.5G #1 2.5G STS-48 Optics #4 Cross STS-48 1x2.5G STS-48 1x2.5G Connect 2.5G STS-48 Optics STS-48 4x2.5G #8 TethysTM 448 #13 2.5G STS-48 Optics #14 STS-48 4x2.5G #1 2.5G 2.5G STS-48 1x2.5G STS-48 Optics 2.5G STS-48 Optics #15 STS-48 4x2.5G 2.5G STS-48 Optics #16 STS-48 4x2.5G #8 2.5G 2.5G 2.5G STS-48 Optics STS-48 4x2.5G STS-48 1x2.5G STS-48 Optics 2 of 2 |
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