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Description
The PM7346-BI is a quad ATM physical layer processor with integrated DS3, E3, and J2 framers. It supports PLCP sublayer DS1, DS3, E1, and E3 processing as well as ATM cell delineation. The S/UNI-QJET contains integral DS3 framers, E3 framers, and J2 framers, providing DS3 framing and error accumulation according to ANSI T1.107, T1.107a, E3 framing according to ITU-T Recommendations G.832 and G.751, and J2 framing according to ITU-T Recommendation G.704 and I.432. It accepts and outputs both digital B3ZS-encoded bipolar and unipolar signals compatible with M23 and C-bit parity applications in DS3 transmission system sublayer processing.
Specifications and features
- Single chip quad ATM User Network Interface operating at 44.736 Mbit/s, 34.368 Mbit/s, and 6.312 Mbit/s conforming to ATMF-95-1207R1, ATMF-94-0406R5, and AF-PHY-0029.000. Each line can be individually configured for the desired rate.
- Implements ATM Direct Cell Mapping into DS1, DS3, E1, E3, and J2 transmission systems according to ITU-T Recommendation G.804.
- Provides a UTOPIA Level 2 compatible ATM-PHY Interface.
- Implements the Physical Layer Convergence Protocol (PLCP) for DS1 and DS3 transmission systems according to the ATM Forum User Network Interface Specification and ANSI TA-TSY-000773, TA-TSY-000772, and E1 and E3 transmission systems according to the ETSI 300-269 and ETSI 300-270.
- Support is provided for SMDS and ATM mappings into various rate transmission systems.
- Implements the ATM physical layer for Broadband ISDN according to ITU-T Recommendation I.432.
- Provides on-chip DS3, E3 (G.751 and G.832), and J2 framers.
- Can be configured to be used solely as a DS3, E3, or J2 Framer.
- When configured to operate as a DS3, E3, or J2 Framer, gapped transmit and receive clocks can be optionally generated for interface to devices which only need access to payload data bits.
- Provides support for an arbitrary rate external transmission system interface up to a maximum rate of 52 Mbit/s which enables the S/UNI-QJET to be used as a quad ATM cell delineator.
- Uses the PMC-Sierra PM4341 T1XC, PM4344 TQUAD, PM6341 E1XC, and PM6344 EQUAD T1 and E1 framer/line interface chips for DS1 and E1 applications.
- Provides programmable pseudo-random test pattern generation, detection, and analysis features.
- Provides integral transmit and receive HDLC controllers with 128-byte FIFO depths.
- Provides performance monitoring counters suitable for accumulation periods of up to 1 second.
- Provides an 8-bit microprocessor interface for configuration, control and status monitoring.
- Provides a standard 5 signal P1149.1 JTAG test port for boundary scan board test purposes.
- Low power 3.3V CMOS technology with 5V tolerant inputs.
- Available in a high density 256-pin SBGA package (27mm x 27mm).
Application Scenarios
- ATM or SMDS Switches, Multiplexers, and Routers
- SONET/SDH Mux E3/DS3 Tributary Interfaces
- PDH Mux J2/E3/DS3 Line Interfaces
- DS3/E3/J2 Digital Cross Connect Interfaces
- DS3/E3/J2 PPP Internet Access Interfaces
- DS3/E3/J2 Frame Relay Interfaces
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Datasheet
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Delivery period:
- - Will ship out in 2-3 days
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- Datasheet: Download PM7346-BI
- Chipdatas Part: CD93-PM7346-BI
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/10/01 12:00 +0800
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- Full or Partial Refund , If the item is not as described
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