QSFP-100G-CWDM4 Arista Compatible 100G QSFP28 2KM Transceiver
Arista compatible QSFP-100G-CWDM4 - Key Features
- Compatibility: Arista
- Media Type: Single-Mode Fiber (SMF)
- Connector: Double LC/UPC
- Fiber Count: Duplex
- Maximum Distance: 2 km
- Average Link Budget: 3.5 dB
- Tx Wavelength: CWDM 4 Ch
- Supported Data Rate: 103.125 Gbps
- DDM/DOM: Supported
- Forward Error Correction (FEC): Host FEC Supported
- Temperature Range: Standard 0°-70°C
Arista QSFP-100G-CWDM4 Price
In Stock - Ships Next Business DayArista compatible QSFP-100G-CWDM4 Specifications
Form Factor | QSFP28 |
Modulation | NRZ (Non-Return to Zero) |
Media Type | Single-Mode Fiber (SMF) |
Connector | Double LC/UPC |
Fiber Count | Duplex |
Maximum Distance | 2 km |
Average Link Budget | 3.5 dB |
TX Wavelength | 4-channel CWDM (1271/1291/1311/1331 nm) |
RX Wavelength | 4-channel CWDM (1271/1291/1311/1331 nm) |
Supported Data Rate | 103.125 Gbps |
Supported Ethernet Applications | 100G Ethernet (103.125 Gbps) |
Supported Fiber Channel Applications | 4x 32G Fiber Channel (112.2Gbps) |
Optical Transport Network (OTN) Applications | OTU4 (112 Gbps) |
DDM/DOM | Supported |
Forward Error Correction (FEC) | Host FEC Supported |
Transmitter Type | DML Laser |
Tx Wave Bandwidth | 4 CWDM Lanes (73 nm 1264.50 – 1337.50nm) (L0 Tx center 1271nm, L1 Tx center 1291nm, L2 Tx center 1311nm, L3 Tx center 1331nm) |
Average Launch Power (Min) Each Lane | -6.5 dBm |
Average Launch Power (Max) Each Lane | 2.5 dBm |
Extinction Ratio (Min) | 4 dB |
Receiver Type | PIN photodiode |
RX Wave Bandwidth | 4 CWDM Lanes (73 nm 1264.50 – 1337.50nm) (L0 Tx center 1271nm, L1 Tx center 1291nm, L2 Tx center 1311nm, L3 Tx center 1331nm) |
Average Receiver Sensitivity (Min) Each Lane | -10 dBm |
Average Receiver Sensitivity (Max) Each Lane | 0 dBm |
Receiver Overload | 3.3 dBm |
Temperature Range | Standard 0°-70°C |
Storage Temperature | -40° to 85°C |
Relative Humidity | 5 to 85% |
Power Consumption (Max) | 3.5 W |
Power | +3.3V single power supply |
Compliance | CE, RoHS, Class 1 FDA and IEC60825-1 Laser Safety Compliant, 100G CLR4 Alliance, 100G CWDM4 MSA, QSFP28 MSA, SFF-8636 (Management Interface for 4-lane modules), SFF-8665 |
Arista compatible QSFP-100G-CWDM4 Datasheet
v2Complete technical specifications and product details
Arista compatible QSFP-100G-CWDM4 Description
EdgeOptic's QSFP-100G-CWDM4 compatible is an Arista-coded CWDM4 QSFP28 version of the EdgeOptic 100G-QSFP28-2.1 multi-vendor 100G CWDM4 2km transceiver. Arista lists the OEM optic on its Data Center Transceivers and Cables page as a 100GBASE-CWDM4 QSFP28 supplied across the DCS-7 series data-center switching line.
The module runs four CWDM channels on the 1271, 1291, 1311, and 1331 nm wavelength plan defined by the CWDM4 MSA and ITU-T G.694.2, with NRZ modulation across each lane. Output uses a duplex LC connector and supports 2 km links over G.652 single-mode fibre. The optical front end uses DML transmitters and PIN receivers, with host-side FEC supported per the CWDM4 MSA Technical Specification. Operating temperature spans the commercial 0 to 70 °C range.
The QSFP-100G-CWDM4 covers 100 Gigabit Ethernet on Arista DCS-7 series data-center switches, which operate as Ethernet-only switching platforms at the QSFP28 cage. The EdgeOptic 100G-QSFP28-2.1 family additionally supports OTU4 (112 Gbps) and 4x32G Fibre Channel (112.2 Gbps) variants for OTN transport and SAN deployments on platforms that carry those framers. Those rates ship as separate part numbers and target router or storage chassis rather than DCS-7 switches, so for OTU4 or Fibre Channel coding contact our sales team.
Arista positions QSFP-100G-CWDM4 across the DCS-7050, 7060, 7170, 7280, and 7500 series data-center switches running EOS. Engineers running 100G aggregation between Arista chassis or peering the data-center fabric to upstream 100G switching gear cover the 2 km span over a single fibre pair with this optic on both ends. Verify the supported slot and EOS image against the Arista Transceiver and Cable Guide for the chassis in service.
Arista's product page documents QSFP-100G-CWDM4 as a 40G/100G dual-rate optic, which refers to Ethernet speed flexibility on the DCS-7 platforms (40 GbE or 100 GbE on the same hardware). It is not a multi-protocol designation and does not imply OTN or Fibre Channel transport at the OEM level. Arista EOS enables FEC by default on 100G-CWDM optics, and the module aligns with that default.
EdgeOptic codes the QSFP-100G-CWDM4 compatible with Arista-recognized EEPROM, so the interface registers under standard transceiver validation on Arista EOS without the err-disabled (transceiver-unsupported) state that appears for non-Arista-coded modules. The EEPROM identifies the optic against the QSFP-100G-CWDM4 part number, so chassis inventory and SNMP transceiver tables report the module consistently with Arista OEM stock.
Digital diagnostics (DDM/DOM) report TX power, RX power, bias current, supply voltage, and temperature per SFF-8636. The module is QSFP28 MSA SFF-8665 compliant and aligned with the CWDM4 MSA Technical Specification.
Backed by 15+ years of EdgeOptic compatibility engineering across vendor optical platforms. Ships next business day from EU stock with a lifetime warranty.
Frequently Asked Questions
Will EdgeOptic's QSFP-100G-CWDM4 Arista compatible avoid the err-disabled (transceiver-unsupported) state on Arista EOS?
Yes. EdgeOptic codes the QSFP-100G-CWDM4 compatible with Arista-recognized EEPROM, so EOS initializes the interface under standard transceiver registration without dropping the port into the err-disabled (transceiver-unsupported) state that appears for non-Arista-coded optics. Chassis inventory and SNMP transceiver tables report the module against the Arista QSFP-100G-CWDM4 part number consistent with Arista OEM stock.