400G ZR QSFP-DD Coherent 120km transceiver is a pivotal component driving high-speed, long-distance optical networks. It perfectly integrates advanced coherent optical communication technology, 400GbE speed, 120km reach, and the high-density QSFP-DD form factor. This delivers an efficient and reliable solution for Data Center Interconnect, metro/backbone upgrades, 5G transport, and numerous other applications demanding stringent bandwidth and distance requirements.
| TX= -9dBm丨 RX < -18dBm 丨 0℃~70℃ 丨NO EDFA/DCM link 40km 丨 < 18W丨120km link with EDFA only丨 丨C-Band 96channel 丨Factory warranty丨 | 
| 400G P2P 1550nm 40KM ZR (without EDFA/DCM) 400G P2P 1550nm 120KM ZR (with EDFA only) | 
| CL400GQDDZR | 
| 
 ●Support rates: 400GbE, 4x100GbE ●Compliant with IEEE802.3-2018 standard: 4x100GAUI-2, 400GAUI-8, electrical interface; CEI-56G-PAM4-VSR electrical interface ●Compliant with OIF-400ZR-01.0 and IEEE 802.3cw R2.0 coherent standard: 400GBASE-ZR optical interface ●Compliant with QSFP-DD Type 2A (CMIS Rev 5.0) ●Support fully C-band tunable single carrier ●Support Interconnect up to 120km with EDFA ●Supports 3dB channel insertion loss ●Max power consumption 18W ●Case operating temperature 0°C to 70°C ●I2C Interface with digital diagnostic monitoring at rates of 100kb/s, 400kb/s, or 1Mb/s ●Complies with RoHS 2015/863/EU ●Class 1M Laser | 
| Specification | |||
| Part Numbe | CL400GQDDZR | Vendor Name | C-LIGHT | 
| Form Facto | QSFP-DD ZR | Data Rate | 400G | 
| Wavelength | 1528.77~1566.52nm | Distance | Amplified: ≤120km Unamplified:≤40km | 
| Connector | Duplex LC | Media | SMF | 
| CD Robustness | 2400(ps/nm) | DDM | YES | 
| TX Power | -9dBm | RX Power | Amplified: Full Rx OSNR tolerance: -12~0dBm Extended range: -15~1dBm Unamplified: -18~0dBm | 
| Power Consumption | ≤18W | OSNR Tolerance | 26dB/0.1nm | 
| Channel Spacing | Amplified: ≤-12dBm Unamplified: ≤-20dBm | Ext. Temperature Range | 0℃ to 70°C | 
| FEC | CFEC | Modulation Format | 16QAM | 
| Protocols | Open ZR MSA 2.0, OIF-CMIS-5.0, OIF-C-CMIS-1.2, QSFP-DD-Hardware-Rev6.3, IEEE Std 802.3-2018 | Application | Metro/Edge DCI | 
| System Test | |
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| Related Products | |||
| Form | QSFP-DD DWDM 400G ZR 120km | QSFP-DD DWDM 100G/200G/400G ZR+ | QSFP-DD DWDM 400G ZR+ 300km | 
| Part Number | CL400GQDDZR-120 | CL400GQDDZR+-HP | CL400GQDDZR+-300 | 
| Wavelength | 1567.13nm-1528.77nm | 1567.13nm-1528.77nm | 1567.13nm-1528.77nm | 
| Connector | Duplex LC | Duplex LC | Duplex LC | 
| Distance | 400G ZR: ≤40km ( UNamplified ) 400G ZR:≤120km ( amplified ) | 400G ZR+: ≤80km ( UNamplified ) 400G ZR+:≤450km ( amplified ) 200G ZR+:≤600km ( amplified ) 100G ZR+:≤1000km ( amplified ) | 400G ZR+: ≤30km ( UNamplified ) 400G ZR+:≤300km ( amplified ) 200G ZR+:≤400km ( amplified ) 100G ZR+:≤500km ( amplified ) | 
| Power Consumption | ≤18W | ≤22W | ≤22W | 
| Modulation | DP-16-QAM | 100G DP-QPSK/ 200G DP-QPSK / 300G DP-8QAM/400G DP-16QAM | 100G DP-QPSK/ 200G DP-QPSK / 300G DP-8QAM/400G DP-16QAM | 
| OSNR Tolerance | 26dB/0.1nm | 400G ZR:26dB/0.1nm 400G ZR+:24dB/0.1nm 300G ZR+:21dB/0.1nm 200G ZR+:16dB/0.1nm 100G ZR+:12.5dB/0.1nm | 400G ZR:26dB/0.1nm 400G ZR+:24dB/0.1nm 300G ZR+:21dB/0.1nm 200G ZR+:16dB/0.1nm 100G ZR+:12.5dB/0.1nm | 
| TX Power | -13~-9 dBm | -7~0 dBm | -13~-9 dBm | 
| FEC | CFEC | OFEC,CFEC | OFEC,CFEC | 
| RX Sensitivity | -20dBm | -24dBm | -22dBm | 
| Protocols | Open ZR+ MSA 2.0 ,OIF-CMIS-05.2,OIF-C-CMIS-01.2,QSFP-DD-Hardware-Rev6.3,IEEE Std 802.3-2018 | Open ZR+ MSA 2.0 and OIF-400ZR-02.0,OIF-CMIS-05.2,OIF-C-CMIS-01.2 QSFP-DD-Hardware-Rev6.3,IEEE Std 802.3-2018 | Open ZR+ MSA 2.0 and OIF-400ZR-02.0,OIF-CMIS-05.2,OIF-C-CMIS-01.2 QSFP-DD-Hardware-Rev6.3,IEEE Std 802.3-2018 | 
| Application | Edge DCI | LH/Regional/Metro/ ROADMs | Edge DCI IP Over Metro or Long Haul DWDM | 
| 400G P2P 1550nm 40KM ZR (without EDFA/DCM) Test video | ||||
| 400G P2P 1550nm 120KM ZR (with EDFA only) Test video | ||||
| Application Graph | 


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     ●Full Spectrum 400ZR Coherent 60GBaud DP-16QAM design
●Full Spectrum 400ZR Coherent 60GBaud DP-16QAM design 


 
                                     
                                     
                                     
                                     
                                     
                                     
                                     
                                     
                                     
                                     
                         
                         
                         
                         
                         
                         
                         
                        