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PMC-Sierra,Inc.
PM5371 TUDX
* Permits switching of any combination of SONET VT1.5, VT2, VT3, VT6, or STS-1 channels. Permits switching of any combination of SDH TU11, TU12, TU2, or TU3 channels. * Operates in conjunction with the PM5362 TUPP-PLUS VT/TU Payload Processor/Performance Monitor, which aligns SONET VTs or SDH TUs so they can be switched by the TUDX. * Cascadable in a systolic or bussed manner to allow larger switching arrays to be implemented. * Provides control outputs that are programmable on a per-timeslot basis to facilitate construction of larger switching arrays. * Provides a generic 8-bit microprocessor bus interface for configuration, control, and status monitoring. * Low power, +5 V, CMOS technology. Device has TTL-compatible inputs and outputs. * Available in a 160-pin Plastic Quad Flat Pack (PQFP) (28 by 28 mm) package.
VT/TU Cross-Connect Switch
FEATURES
* Monolithic, SONET/SDH, single-stage, non-blocking array of time switches for cross-connecting SONET Virtual Tributaries (VTs) or SDH Tributary UNITs (TUs). * Provides non-blocking switching between two STS-3 (STM-1) byteserial input streams and two STS-3 (STM-1) byte-serial output streams. * Operates from a single 19.44 MHz clock. * Provides parity checking on input data busses and parity generation on output data busses. * Allows programmable idle code insertion on a per-VT or per-TU basis.
APPLICATIONS
* SONET/SDH Broadband CrossConnects * SONET/SDH Add/Drop Multiplexers * SONET/SDH Terminal Multiplexers * SONET/SDH Test Equipment
BLOCK DIAGRAM
SINR[8:0] SINL[8:0]
SOUTT[8:0]
Switching Element DINT[8:0] DINB[8:0] SCLK PAGE SOBEB SFP OFSEB IFP OFP MBEB RSTB CS1B CS2B RDB WRB ALE A[4:0] D[7:0] INTB ODEB AOBEB COUTL DOUTL[8:0] Input Bus Formatter Time Switch Time Switch
Switching Element Time Switch Time Switch
SOUTB[8:0]
Microprocessor Interface Output Bus Formatter
COUTR DOUTR[8:0]
AOUTR[8:0] (c)A1998 PMC-Sierra, Inc. September, 1998
PMC-920520 (R8)
AOUTL[8:0]
PM5371 TUDX VT/TU Cross-Connect Switch
TYPICAL APPLICATIONS
SYSTOLIC CROSS-CONNECT ARRAY
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BUSSED CROSS-CONNECT ARRAY
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TRIBUTARY ALIGNMENT USING PM5362 TUPP-PLUS

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Head Office: PMC-Sierra, Inc. #105 - 8555 Baxter Place Burnaby, B.C. V5A 4V7 Canada Tel: 604.415.6000 Fax: 604.415.6200
To order documentation, send email to: document@pmc-sierra.com or contact the head office, Attn: Document Coordinator
All product documentation is available on our web site at: http://www.pmc-sierra.com For corporate information, send email to: info@pmc-sierra.com
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PMC-920520 (R8) (c) 1998 PMC-Sierra, Inc. September 1998

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