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| PEB1757E TETHYSTM 2 STS-192/STM-64, 16 STS-48/STM-16, MUX/DEMUX MARCH 2008 REV. 1.0.2 GENERAL DESCRIPTION TethysTM PEB1757E is optimized for SONET/SDH applications as a full-duplex two STS-192/STM64 or sixteen STS-48/STM-16 or a mix of sixteen STS-12/ STM-4 and STS-3/STM-1 MUX/DEMUX channel device with full framer functionality including pointer processing, and overhead termination; ideal for aggregation, ADM and DWDM applications. In the demultiplex ingress direction, TethysTM PEB1757E accepts either two STS-192/STM-64 or sixteen STS48/ 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 PEB1757E 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 PEB1757E supports TOH and POH overhead transparency. In the multiplex direction, TethysTM PEB1757E accepts sixteen STS-48/STM-16 signals in serial 2.5 Gbit/s format. TethysTM PEB1757E further provides corresponding functionality in the DEMUX direction. APPLICATIONS * ADM * Metro Aggregation * Digital Cross Connects * Repeaters * DWDM Equipment * Test Equipment FEATURES * Provides 2 SFI4.1 interfaces for STS-192/STM-64 links * Provides serial STS-48/STM-16, STS-12/STM-4 or STS3/STM-1 links * Provides line timing of all line and system side interfaces * Processes SONET/SDH flexible concatenation streams of STS-2c, 3c, 4c, ... to 192c * Supports auto-detection of concatenation streams STS3c/STM-1, STS-12c/STM-4 and STS-48c/STM-16 * Supports STS-1 level pointer processing of STS-48/STM16 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 system side 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 micron 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 * Differential CML 2.5 Gbit/s I/O interface to optics * Differential CML 2.5 Gbit/s I/O interface to system/ backplane SPECIFICATIONS * 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 * 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 ORDERING INFORMATION PART NUMBER PEB1757E PACKAGE 1397 CBGA OPERATING TEMPERATURE RANGE -40C to +85C Exar Corporation 48720 Kato Road, Fremont CA, 94538 * (510) 668-7000 * FAX (510) 668-7017 * www.exar.com PEB1757E TETHYSTM 2 STS-192/STM-64, 16 STS-48/STM-16, MUX/DEMUX FIGURE 1. PEB1757E BLOCK DIAGRAM IN STS-48 APPLICATION REV. 1.0.2 2.5G #1 STS-48 Optics STS-48 1 x 2.5G #1 STS-48 1 x 2.5G 2.5G #2 STS-48 Optics STS-48 1 x 2.5G #8 #1 2.5G #3 STS-48 Optics STS-48 1 x 2.5G #8 STS-48 1 x 2.5G STS-48 Link Cross Connect 2.5G #4 STS-48 Optics STS-48 1 x 2.5G TethysTM PEB1757AE STS-48 1 x 2.5G 2.5G #13 STS-48 Optics STS-48 1 x 2.5G #9 STS-48 Optics 2.5G 2.5G #14 STS-48 Optics STS-48 1 x 2.5G STS-48 1 x 2.5G #16 STS-48 Optics 2.5G 2.5G #15 STS-48 Optics STS-48 1 x 2.5G 2.5G #16 STS-48 Optics STS-48 1 x 2.5G 2 |
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