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PEB1756E
PEB1756E TETHYSTM 4192 DUAL STS-192/STM-64 MUX/DEMUX
FEB 2009 REV. 1.0.2
GENERAL DESCRIPTION
TethysTM 4192 is optimized for SONET/SDH applications as a full-duplex two 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, TethysTM 4192 accepts two STS-192/STM-64 signals in SFI-4.1 format. Tethys locates the incoming SONET/SDH frame, optionally descrambles the data, monitors theTOH and POH, and provides STS-1 level pointer processing. In addition, Tethys supports TOH and POH overhead transparency. In the multiplex direction, from the system interface, TethysTM 4192 accepts two STS-192/STM-64 or eight STS-48/STM-16 signals in either dual 4 x 2.5 Gbit/s or 8 serial 2.5 Gbit/s format. Further Tethys provides corresponding functionality in the DEMUX direction. APPLICATIONS * ADM * Metro Aggregation * Digital Cross Connects * Repeaters * DWDM Equipment * Test Equipment FEATURES * Complies with OIF specifications SFI-4.1 * Differential CML 2.5 G I/O interface to system/backplane * TFI-5 Support * Processes SONET/SDH dual STS-192/STM-64 on the
line side interface
* 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 two STS-192/ STM-64
* 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 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
* Processes SONET/SDH dual STS-192/STM-64 or eight
STS-48/STM-16 on the system/client side serial 2.5 Gbit/ s interface
SPECIFICATIONS * OIF SFI-4.1 * 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 * ITU-T G.707 10/2000
* 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, STS-48c/STM-16 and STS192c/STM-64
* Supports STS-1 level pointer processing of STS-192/
STM-64 or STS-48/STM-16 streams
Exar Corporation 48720 Kato Road, Fremont CA, 94538 * (510) 668-7000 * FAX (510) 668-7017 * www.exar.com
PEB1756E
PEB1756E TETHYSTM 4192 DUAL STS-192/STM-64 MUX/DEMUX ORDERING INFORMATION
PART NUMBER PEB1756E PACKAGE 1397 CBGA OPERATING TEMPERATURE RANGE -40C to +85C
REV. 1.0.2
FIGURE 1. PEB1757E APPLICATION DIAGRAM
10G
#1 OC-192 Transponder
SFI4.1 16 x 622M #1 STS-48 1 x 2.5G
#8
Tethys
TM
4192
#1 STS-48 1 x 2.5G
STS-48 Link Cross Connect
#8
10G
#1 OC-192 Transponder
SFI4.1 16 x 622M
2

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