Accelight’s 100Gbps QSFP28 ZR4 transceiver module is designed for use in 100 Gigabit Ethernet links over 80km single mode fiber. The module has 4 independent electrical input/output channels operating up to 25.78Gbps per channel. This transceiver consists of transmitter/receiver units, with each operating on a set of 4 wavelengths on the ITU G.694.1 LAN-WDM grid near 1310nm. The transmitter path of the module incorporates 4-channel EMLs and 4-channel modulator driver. On the receiver path, a 1-channel SOA, 4-channel PD array, and 4-channel TIA array are used, along with NRZ retimers.

Accelight’s 100Gbps QSFP28 DWDM ZR series single mode transceiver module is designed for use in duplex optical data communications. This module is designed for single mode optical fiber and operates at a data rate of 100Gbps at the nominal DWDM wavelength from 1529.55nm to 1560.61nm as specified by the ITU-T. This module can convert 4 channels of 25Gbps (NRZ) electrical input data to 1 channel of 100Gbps (PAM4) optical signal, and also can convert 1 channel of 100Gbps (PAM4) optical signal to 4 channels of 25Gbps (NRZ) electrical output data. The electrical interface of the module is compliant with the OIF CEI-28G-VSR and QSFP28 MSA. It is designed to deploy in the DWDM networking equipment in metropolitan access and core networks.

Accelight’s 10G EPON OLT transceiver is designed for single mode fiber and operates at wavelength of 1577nm 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 1270nm 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 trans-impedance amplifier. The differential non-Inverted DATA and inverted DATA CML data signals are produced by the limiting amplifier.

Accelight’s XGS-PON OLT transceiver is designed for single mode fiber and operates at wavelength of 1577nm 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 1270nm 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 trans-impedance amplifier. The differential non-Inverted DATA and inverted DATA CML data signals are produced by the limiting amplifier.

Accelight’s XGS-PON OLT transceiver is designed for single mode fiber and operates at wavelength of 1577nm/1490nm continuous-mode on transmitter side. The transceiver module uses an 1577nm EML and 1490nm DFB which fully compliant with IEC60825 and CDRH class 1 eye safety. The burst-mode receiver section at 1270nm and 1310nm 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 trans-impedance amplifier. The differential non-Inverted DATA and inverted DATA data signals are produced by the limiting amplifier.

Accelight’s 10/10G XGS-PON ONU transceiver is designed for single mode fiber and operates at wavelength of 1270nm. The transceiver module uses a DFB laser diode and fully compliant with IEC60825 and CDRH class 1 eye safety. It contains APC functions, a temperature compensation circuit to ensure compliance with ITU-T G.9807 requirements at operating temperature. The receiver section 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.

The STICK optical module can fully meet the requirements of the carrier-grade FTTB\ FTTH\ FTTO device. It can be hot-swapped into the SFP+ slot of the Layer 2 Ethernet switch. The whole machine can be used as an ONT or even an MDU, so that the whole device can be directly connected to the XGSPON optical network, the central office OLT only needs to register the XGSPON ONU STICK optical module as if it were a normal optical cat. The communication device can complete the access switch from the original P2P. It also contain a DFB laser diode is employed for upstream transmission at 9.953Gbps. The optical transmitter includes a back facet photo-detector to monitor laser power for APC control. and an APD with TIA is employed for downstream data reception at 9.953Gbps. A post amplifier is also included for CML output compatibility.

Accelight’s 10G SFP+ BIDI 10km/40km series single mode transceiver is small form factor pluggable module for duplex optical data communications such as 10GBASE-LR/LW defined by IEEE 802.3ae. It is with the SFP+ 20-pin connector to allow hot plug capability Accelight’s 10G SFP+ BIDI 10km/40km module is designed for single mode fiber and operates at a nominal wavelength of 1270nm; 10G SFP+ BIDI 10km /40km module is designed for single mode fiber and operates at a nominal wavelength of 1330nm. The transmitter section uses a multiple quantum well DFB, which is 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 10G SFP+ LR 10km single mode transceiver is small form factor pluggable module for serial optical data communications such as IEEE 802.3ae 10GBASE-LR/LW. It is with the SFP+ 20-pin connector to allow hot plug capability.

Accelight’s 10G SFP+ ER ZR CWDM series optical transceiver is designed for fiber communications application up to 10G, which fully compliant with the specification of SFP+ MSA SFF-8431. This module is designed for single mode fiber and operates at a nominal wavelength of CWDM wavelength. The center wavelengths with each step 20nm. A guaranteed optical link budget of 23 dB is offered. The module is with the SFP+ connector to allow hot plug capability. Only 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 2wire serial interface as defined by the SFF-8472 specification.