Accelight’s 25G PON OLT transceiver is designed for single mode fiber and operates at wavelength of 1358nm continuous-mode on transmitter side. The transceiver module uses an EML and fully compliant with IEC60825 and CDRH class 1 eye safety. The burst-mode receiver section at 1286nm or 1300nm uses a hermetic packaged APD-TIA (APD with trans-impedance amplifier) and a limiting amplifier. The APD converts optical power into electrical current and the current is transformed to voltage by the transimpedance amplifier. The differential non-Inverted DATA and inverted DATA CML data signals are produced by the limiting amplifier. The APD-TIA is AC coupled to the limiting amplifier through a low pass filter.

PRODUCT DETAILS: 25G SFP28 PON ONU SMF LC interface

The Accelight’s 25G BiDi series optical transceiver DFB laser based 25 Gb/s SFP28 transceiver. It is designed to transmit and receiver optical data up to 10km over single mode fiber. The transceiver is compliant with SFF-8472, SFF-8402, SFF-8432 and applicable portions of SFF-8431. Digital diagnostics functions are available via a 2-wire serial interface, as specified in SFF-8472.

The EML laser based 25Gb/s SFP28 Transceiver is designed to transmit and receive serial optical data over single mode optical fiber with 40km. They are compliant with SFF-8431, SFF-8432. The transmitter converts serial CML electrical data into serial optical data compliant with the IEEE 802.3cc standard. The receiver converts serial optical data into serial CML electrical data. Digital diagnostics functions are available via a 2-wire serial interface, as specified in SFF-8472.

Accelight’s 25G SFP28 LR single-mode transceiver is SFP28 module for duplex optical data communications up to 28.05Gb/s. It is with the SFP+ 20-pin connector to allow hot plug capability. Digital diagnostic functions are available via an I2C. It has built-in clock and data recovery (CDR). Data rate 25GBE, OTU4 and 32x Fiber Channel will be with CDRs, while 16x/8x Fiber Channel will be CDRs bypassed. This module is designed for single-mode fiber and operates at a nominal wavelength of 1310nm. The transmitter section uses a 1310nm multiple quantum well DFB laser and is a class 1 laser compliant according to International Safety Standard IEC 60825. The receiver section uses an integrated InGaAs detector preamplifier (IDP) mounted in an optical header and a limiting post-amplifier IC.

Accelight’s 25G SFP28 ER series single-mode transceiver is SFP28 module for duplex optical data communications support 24.33Gb/s and 25.78Gb/s. It is with the SFP+ 20-pin connector to allow hot plug capability. Digital diagnostic functions are available via an I2C. It has built-in clock and data recovery (CDR). This module is designed for single-mode fiber and operates at a wavelength of 1295～ 1320nm. The transmitter section uses a wavelength of 1295～1320nm multiple quantum well DFB laser and is a class 1 laser compliant according to International Safety Standard IEC 60825. The receiver section uses an integrated InGaAs detector preamplifier (IDP) mounted in an optical header and a limiting postamplifier IC.

Accelight’s 25G SFP28 ER optical supports high speed serial links over single-mode optical fiber at signal rates up to 25.78Gb/s. The product is compliant with Small Form Plug-gable industry agreements SFP and SFP28 for mechanical and low speed electrical specifications. The transmitter side of the module incorporates one 1300nm EML and CDR integrated with EML driver, and the receiver side integrated with SOA and PIN-TIA followed by Rx CDR. Digital diagnostic monitoring information (DDMI) is present in this module per the requirements of SFF8472, providing real time monitoring information of transceiver laser, receiver and environment conditions over a SFF-8419 2-wire serial interface.

Accelight’s 25G SFP28 CWDM LR series optical transceiver is designed for fiber communications application up to 25.78Gbps, which fully compliant with the specification of SFF-8402. This module is designed for single mode fiber and operates at a nominal wavelength of CWDM wavelength. There are six center wavelengths available from 1271nm to 1371nm, with each step 20nm.It can communicate over single mode fibers (SMF) of length from 2m to at least 10km. The module is with the SFP+ connector to allow hot plug capability. Single 3.3V power supply is needed. The optical output can be disabled by LVTTL logic high-level input of TX_DIS. Loss of signal (RX_LOS) output is provided to indicate the loss of an input optical signal of receiver. This module provides digital diagnostic functions via a 2-wire serial interface as defined in the SFF-8472 specification

Accelight’s 25G SFP28 DWDM LR series single mode transceiver is SFP28 module for duplex optical data communications support 25.78Gb/s. This module is designed for single mode fiber and operates at a nominal DWDM wavelength from 1528nm to 1566nm as specified by ITU-T. It is with the SFP+ 20-pin connector to allow hot plug capability. The transmitter section uses a DWDM EML laser and is a class 1 laser compliant according to International Safety Standard IEC-60825. The receiver section uses an integrated InGaAs detector preamplifier (IDP) mounted in an optical header This module series is designed to be compliant with SFP28 Multi-Source Agreement (MSA) Specification SFF-8402

Accelight’s 25G SFP28 DWDM LR series single mode transceiver is SFP28 module for duplex optical data communications support 25.78Gb/s. This module is designed for single mode fiber and operates at a nominal O-Band DWDM wavelength from 1290nm to 1305nm.