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PEB2756AE Datasheet, PDF (1/3 Pages) Exar Corporation – QUAD STS-192/STM-64 MUX/DEMUX
PEB2756AE
TETHYS™ II QUAD STS-192/STM-64 MUX/DEMUX
OCT 2009
REV. 1.0.0
GENERAL DESCRIPTION
Tethys™ II PEB2756AE is optimized for SONET/SDH
applications as a full-duplex Quad (SFI4.2) or Dual
(SFI4.1) STS-192/STM-64 MUX/DEMUX with full
framer functionality including pointer processing, and
overhead termination; ideal for aggregation, ADM
and DWDM applications. In the demultiplex ingress
direction, Tethys™ II accepts four/two STS-192/
STM-64 signals (SFI4.2/SFI-4.1 interfaces), locates
the incoming SONET/SDH frame, optionally
descrambles the data, monitors the TOH and POH,
and provides STS-1 level pointer processing. In
addition, Tethys supports TOH and POH overhead
transparency.
In the multiplex direction, Tethys™ II PEB2756AE
accepts sixteen STS-48/STM-16 signals in serial 2.5
Gbit/s format. Tethys™ II PEB2756AE further
provides corresponding functionality in the DEMUX
direction.
APPLICATIONS
• ADM
• Metro Aggregation
• Digital Cross Connects
• Repeaters
• DWDM Equipment
• Test Equipment
FEATURES
• Provides 4 SFI4.2 interfaces for STS-192/STM-64 links
• Provides 2 SFI4.1 interfaces for STS-192/STM-64 links
• Differential CML 2.5 G I/O interface to system/backplane
• TFI-5 Support
• Processes SONET/SDH up to 4 STS-192/STM-64 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 192c
• Supports auto-detection of concatenation streams STS-
3c/STM-1, STS-12c/STM-4, STS-48c/STM-16 and STS-
192c/STM-64
• Supports STS-1 level pointer processing of STS-192/
STM-64 or STS-48/STM-16 streams
• Provides interfaces for dropping alarm and status
information, and for forcing alarm conditions
• Supports system-side input deskew of up to ± 250 ns
within a group of 4 x 2.5G GBps for each of four STS-
192/STM-64
• Power dissipation of 23 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 STS-192/STM-64 or STS-48/STM-16 out-put 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
• 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 inter-face
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
• OIF TFI-5, OIF SFI-4.1, SFI4.2, GR-253-CORE
ORDERING INFORMATION
PART NUMBER
PEB2756AE
PACKAGE
1397 CBGA
OPERATING TEMPERATURE RANGE
-40°C to +85°C
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • (510) 668-7000 • FAX (510) 668-7017 • www.exar.com