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    EOSM155
    EOPM4
    EOPM8
    EOPM84
    EODS3
    VLM155S
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    CDR155G(LQFP-32)
    CDR155G-H (LQFP-32)
    CDR155G-H (SOP-28)
    DOHP155T-676
    DOHP155T-320
    DOHP155T-ADM
    MTUP(PQFP-160)
    MTUP (LQFP-128)
    MUX155 (Green Package)

SFP Module
    SFP-101
    SFP-102
    SFP-111
    SFP-112
    SFP-113


Overview
Fast Ethernet to DS3 Mapper
EODS3 (GC53501A)

    This EODS3 is a LAN to WAN converter that provides conversion from 10/100M Ethernet to DS3 frame. The EODS3 provides 25M bits/s byte interface with 2.5M bits/s control bus (MDIO). The EODS3 support standard based GFP Frame encapsulation/de-capsulation with (X 43 +1) scramble and optional FCS (32-bit CRC).
    The External 32-bit SDRAM interface is employed to buffer the burst FE traffic from MII. Maximum 2K-byte and minimum 64-byte Ethernet length are checked. The illegal FE packets such as CRC-error packet and runt/over- size packet can be optional dropped or pass through.
    The framer block will search DS3 frame in eitherĀ  M13 or C-Parity mode. The EODS3 provides alarm reports for LOS, LOF, AIS, Idle and FERF (Far-End Receive Failure), It also provides code-violation, frame-error, parity error and FEBE counters for performance monitoring.


Key Features
 
1.
Support both M13 and C-parity frame mode
2.
Support full duplex MII interface with IEEE 802.3 flow control
3.
GFP (Generic Framing Procedure) Encapsulation/De-capsulation per ITU-T G.7401
4.
Built-in 16-bit SDRAM controller to handle burst Ethernet traffic
5.
Support generic 8-bit microprocessor interface with interrupt capability
6.
Low power 3.3V I/O and 2.5V/1.2V core power supplies

Product Applications
 
1.
Media Converter
2.
Ethernet Over PDH Network
3.
CSU/DSU
4.
IPDSLAM

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