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CA16A2FAA

CA16-Type 2.5 Gbits/s DWDM Transponder with 16-Channel 155 Mbits/s Multiplexer/Demultiplexer

Agere -> LSI Corporation 

Advance Data Sheet

March 2001

CA16-Type 2.5 Gbits/s DWDMTransponder with

16-Channel 155 Mbits/s Multiplexer/Demultiplexer

s Multiple alarms:

— Loss of signal.

— Loss of reference clock.

— Loss of framing.

— Laser degrade alarm.

The CA16-type transponders integrate up to 15 discrete

ICs and optical components, including a 2.5Gbits/s op-

tical transmitter and receiver pair, all in a single, com-

pact package.

Features

s 2.5 Gbits/s optical transmitter and receiver with

16-channel 155 Mbits/s multiplexer/demultiplexer.

s Available with 1.55 µm cooled DFB laser transmit-

ter and an APD receiver for long-reach applica-

tions:

— Offers 45 standard ITU wavelengths with

100 GHz spacing.

— Each module is capable of two wavelengths

under user control.

s Pigtailed, low-profile package.

s Differential LVPECL data interface.

s Operating case temperature range: 0 °C to 65 °C.

s Automatic transmitter optical power control.

s Laser bias monitor output.

s Transmitter laser disable input.

s Line loopback and diagnostic loopback capability.

Applications

s Telecommunications:

— Inter- and intraoffice SONET/SDH

— Subscriber loop

— Metropolitan area networks

s High-speed data communications

Description

The CA16-type transponder performs the parallel-to-

serial-to-optical transport and optical transport-to-

serial-to-parallel function of the section and photonic

layers of the SONET/SDH protocol. The CA16 trans-

mitter section performs the bit serialization and opti-

cal transmission of SONET/SDH OC-48/STM-16

data that has been formatted into standard SONET/

SDH compliant 16-bit parallel format. The CA16

receiver performs the optical-to-electrical conversion

function and is then able to detect frame and byte

boundaries and demultiplex the serial data into 16-bit

parallel OC-48/STM-16 format.

The CA16 transponder does not perform byte-level

multiplexing or interleaving.

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