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TA16L1CAA Scheda tecnica(PDF) 1 Page - Agere Systems |
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TA16L1CAA Scheda tecnica(HTML) 1 Page - Agere Systems |
1 / 28 page TA16-Type 2.5 Gbits/s Transponder with 16-Channel 155 Mbits/s Multiplexer/Demultiplexer Data Sheet March 2001 The TA16-Type transponders integrate up to 15 discrete ICs and optical components, including a 2.5 Gbits/s optical trans- mitter and receiver pair, all in a single, compact package. Features s 2.5 Gbits/s optical transmitter and receiver with 16-channel 155 Mbits/s multiplexer/demultiplexer s Available with 1.31 µm Fabry-Perot laser transmit- ter and PIN receiver for intraoffice applications, and 1.31 µm or 1.55 µm DFB laser transmitters and PIN or APD receiver for short-haul to long-haul applications 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 Optical transmitter disable input s SONET frame-detect enable s Loss of signal, loss of sync, loss of framing alarms s Diagnostic loopback capability s Line loopback operation Applications s Telecommunications: — Inter- and intraoffice SONET/SDH — Subscriber loop — Metropolitan area networks s High-speed data communications Description The TA16 transponder performs the parallel-to-serial- to-optical transport and optical transport-to-serial-to- parallel function of the SONET/SDH protocol. The TA16 transmitter performs the bit serialization and optical transmission of SONET/SDH OC-48/STM-16 data that has been formatted into standard SONET/ SDH compliant, 16-bit parallel format. The TA16 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. Note: The TA16 transponder does not perform byte- level multiplexing or interleaving. Figure 1 shows a simplified block diagram of the TA16-type transponder. This device is a bidirectional module designed to provide a SONET or SDH com- pliant electro-optical interface between the SONET/ SDH photonic physical layer and the electrical sec- tion layer. The module contains a 2.5 Gbits/s optical transmitter and a 2.5 Gbits/s optical receiver in the same physical package along with the electronics necessary to multiplex and demultiplex sixteen 155 Mbits/s electrical channels. Clock synthesis and clock recovery circuits are also included within the module. In the transmit direction, the transponder module multiplexes sixteen 155 Mbits/s LVPECL electrical data signals into an optical signal at 2488.32 Mbits/s for launching into optical fiber. An internal 2.488 GHz reference oscillator is phase-locked to an external 155 MHz data timing reference. |
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