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PM5372 TSE™
40 Gbit/s Transport Switching Element
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Features
- Implements a Time-Space-Time fabric with STS-1/AU-3 granularity.
- Provides 64 ingress STS-12 equivalent ports for a total of 64*12 = 768 STS-1 flows.
- Supports non-blocking permutation switching of 768 STS-1 flows at STS-1 granularity.
- Provides 64 egress STS-12 equivalent ports consisting of 768 STS-1 flows.
- Interfaces to STS-48 and STS-192 devices by aggregating 4 and 16 STS-12 equivalent flows respectively.
- Supports multicast and broadcast of STS-1 streams.
- Supports STS-12 equivalent flows with an extended 8B/10B protocol over 777.6 MHz LVDS links.
- Supports multi-plane (inverse multiplexed) switch architectures in conjunction with the PM5310 TBS device and PM7390 S/UNI® MACH48.
- Recovers clock and data at each ingress port, synchronizes with an internal 77.76 MHz clock, and produces egress streams with a common 777.6 MHz clock.
- Detects and reports inactive or erred LVDS links via the microprocessor interface.
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- Supports two sets of switch settings and a controlled method of changing settings on STS-1 frame boundaries.
- Supports multiple fabric architectures that range from 40 Gbit/s (1 TSE) to 160 Gbit/s (4 TSE devices) in a single stage, and up to 2.5 Tbit/s using multi-stage fabrics.
- Ingress to egress STS-1 switching latency of approximately 900 ns.
- Supported by an efficient algorithm to compute control settings for all permutation loads for all supported fabric architectures. Algorithms are also available for multicast/broadcast allocation.
- 1.8 V CMOS core and 3.3 V CMOS/LVDS input/output.
- Requires no external RAMs or logic parts.
- Provides a standard IEEE 1149.1 JTAG port.
- Power Consumption of 13 W (maximum).
- Packaged in a 520 pin 40mm by 40mm UltraBGA.
- Supports a 16-bit microprocessor interface which is used to initialize the device, to write switch settings into on-chip control tables, and to monitor device performance.
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Applications
In combination with the PM5310 TBS (TelecomBus Serializer and Time-Space switching stage), the
PM5315 SPECTRA 2488, the PM5316 SPECTRA 4X155, and
the PM7390 S/UNI MACH48, the PM5372 TSE supports a variety of flexible Layer 1 / Layer 2 architectures.
These architectures can implement features commonly found in DCS, ADM, and multi-service switch/router equipment.
- The PM5372 TSE provides the functionality that enables networking equipment to:
- Connect to (multiple) SONET rings.
- Participate in mesh-connected architectures.
- Serve as SONET-connected terminal multiplexers.
- Groom traffic at STS-1/AU-3 granularity.
- Support channelization of OC-3/12/48/192 line rates.
- Support concatenated lines rates including STS-1 (DS-3), STS-3c, STS-12c, STS-48c and STS-192c.
- Support add, drop, and drop-and-continue.
- Support UPSR, 2-BLSR, 4-BLSR, and 1+1 or 1:N APS.
- Support mesh-based APS systems.
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TSE 40 Gbit/s Transport Switching Element Short Form Data Sheet [121 kB] PMC-2000328 
TSE Device Driver [117 kB] PMC-2001403 
Boundary Scan Description Language (BSDL) Source Code for the PM5372 Device [13 KB] PMC-2001338