QSFP-DD 400G-ER4 SM nLWDM 40km 18.5dB CMIS4.0
A 40km QSFP-DD ER4 form-factor transceiver for 400Gbps Ethernet applications over duplex fiber.
Product information
The TQD031-SN4C-SO is a QSFP-DD form-factor transceivers for 400Gbps Ethernet applications. The intended use is data center interconnect for optical distances up to 40km over a SingleMode (SM) fiber cable.
The electrical interface consists of eight 53.125G signals (400GAUI-8) that are converted to four PAM4-modulated channels/lanes to transport the Ethernet signal. The optical lanes range from 228.6THz to 229.8THz with 400GHz spacing. The transceiver can also be set in 4x100GAUI-2 mode to enable 400G to 4x 100G break-out configurations. Digital diagnostics functions are available via an I2C interface, as specified by the QSFP-DD MSA.
Forward Error Correction (FEC) is required to be implemented by the host in order to ensure reliable system operation. The FEC type shall be as defined in IEEE802.3bj, i.e. Reed Solomon RS(528,514). The optical parameters will provide a bit error ratio (BER) of 2.4 x 10-4.
The TQD031-SN4C-SO is compliant with Common Management Interface Specification CMIS4.0.
Specification
- QSFP-DD with 2xLC connector interface
- Up to 40km distance over single mode fiber cable
- 4x 100Gbps PAM4 modulated channels using nanoLAN-WDM 1305/1307/1309/1311nm lanes
- Less than 12W power consumption
- CMIS4.0 compliant management interface
- C-temp operating conditions (0°C to +70°C)
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