Source Photonics SPQ-CE-LR-CDFF Compatible 100G 10KM SMF QSFP28
Source Photonics compatible SPQ-CE-LR-CDFF - Key Features
- Compatibility: Source Photonics
- Media Type: Single-Mode Fiber (SMF)
- Connector: Double LC/UPC
- Fiber Count: Duplex
- Maximum Distance: 10 km
- Average Link Budget: 6.3 dB
- Tx Wavelength: 1310 nm
- Supported Data Rate: 112 Gbps
- DDM/DOM: Supported
- Forward Error Correction (FEC): Host FEC Supported
- Temperature Range: Standard 0°-70°C
Source Photonics SPQ-CE-LR-CDFF Price
In Stock - Ships Next Business DaySource Photonics compatible SPQ-CE-LR-CDFF 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 | 10 km |
Average Link Budget | 6.3 dB |
TX Wavelength | 4-channel LAN WDM (1295.56/1300.05/1304.58/1309.14 nm) |
RX Wavelength | 4-channel LAN WDM (1295.56/1300.05/1304.58/1309.14 nm) |
Supported Data Rate | 112 Gbps |
Supported Ethernet Applications | 100G Ethernet (103.125 Gbps) |
Optical Transport Network (OTN) Applications | OTU4 (112 Gbps) |
DDM/DOM | Supported |
Forward Error Correction (FEC) | Host FEC Supported |
Transmitter Type | EML Laser |
Tx Wave Bandwidth | 4 LAN WDM Seperated 1310 nm Lanes (15.66 nm 1294.53 – 1310.19nm) (L0 Tx center 1295.56nm, L1 Tx center 1300.05nm, L2 Tx center 1304.58nm, L3 Tx center 1309.14nm) |
Average Launch Power (Min) Each Lane | -4.3 dBm |
Average Launch Power (Max) Each Lane | 4.5 dBm |
Extinction Ratio (Min) | 4 dB |
Receiver Type | PIN photodiode |
RX Wave Bandwidth | 4 LAN WDM Seperated 1310 nm Lanes (15.66 nm 1294.53 – 1310.19nm) (L0 Tx center 1295.56nm, L1 Tx center 1300.05nm, L2 Tx center 1304.58nm, L3 Tx center 1309.14nm) |
Average Receiver Sensitivity (Min) Each Lane | -10.6 dBm |
Average Receiver Sensitivity (Max) Each Lane | -8.6 dBm |
Receiver Overload | 5.5 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, IEEE 802.3ba, IEEE 802.3bm, 100GBASE-LR4, QSFP28 MSA, SFF-8636 (Management Interface for 4-lane modules), SFF-8665 |
Source Photonics compatible SPQ-CE-LR-CDFF Datasheet
v3Complete technical specifications and product details
Source Photonics compatible SPQ-CE-LR-CDFF Description
EdgeOptic's SPQ-CE-LR-CDFF compatible is a Source Photonics-coded 100GBASE-LR4 QSFP28 transceiver for 10 km links over G.652 single-mode fiber. The module presents Source Photonics EEPROM vendor identification on the host so it appears in inventory polling and DOM telemetry as a genuine SPQ-CE-LR-CDFF. The SPQ-CE-LR-CDFF is the standard 10 km LR4 LC duplex variant in Source Photonics' SPQ family of QSFP28 ordering codes; the SPQ-CS-LR-CDFF dual-rate sibling (100GBASE-LR4 + OTU4) is a separate Source Photonics ordering reference covered on its own EdgeOptic SKU.
The optical engine multiplexes four 25.78125 Gbps NRZ lanes onto a single SMF pair using LAN WDM at 1295.56, 1300.05, 1304.58 and 1309.14 nm per IEEE 802.3ba Clause 88. The transmitter uses an Electro-absorption Modulated Laser array; the receiver uses a PIN photodiode array. TX power per lane is rated -4.3 to 4.5 dBm with RX sensitivity better than -10.6 dBm. Optical path loss budget is 6.3 dB per IEEE 802.3ba Clause 88, sufficient for 10 km of OS2 fiber including standard connector and splice losses. Aggregate line rate is 103.125 Gbps including the 64B/66B encoding overhead.
Power consumption is typically 3.5 W (Class 3 per SFF-8665) with a maximum of 4.5 W (Class 4 per SFF-8665). Digital diagnostics follow the SFF-8636 management interface, exposing per-lane TX power, per-lane RX power, module temperature, supply voltage and laser bias to the host for in-service link monitoring. Operating temperature is the commercial 0 to 70 C range. The receptacle is LC duplex, the form factor is QSFP28 hot-pluggable, and the unit carries CE and RoHS certifications. Hot-swap behaviour follows the standard QSFP28 cage protocol, physical insertion and removal do not require chassis power-down (port state behaviour after hot-swap is platform-dependent).
Source Photonics modules are MSA-coded by default. On Cisco NX-OS the module may require the 'service unsupported-transceiver' command because the EEPROM does not identify as Cisco. For Arista-, Juniper-, or Cisco-coded versions, contact our sales team for vendor-specific coding. EdgeOptic can program Cisco-coded, Arista-coded or Juniper-coded versions on request when a strict native-acceptance procurement standard applies.
The module ships CE/RoHS certified and complies with QSFP28 MSA SFF-8665 and IEEE 802.3ba 100GBASE-LR4. Backed by 15+ years of EdgeOptic compatibility engineering across vendor optical platforms. Ships next business day from EU stock with a lifetime warranty. For project-quantity pricing or alternative vendor coding, contact our sales team.
Frequently Asked Questions
What is the difference between SPQ-CE-LR-CDFF and SPQ-CS-LR-CDFF?
The SPQ-CE-LR-CDFF (CE suffix) is the Ethernet-only 100GBASE-LR4 variant, supporting 100GbE at 103.125 Gbps over a 10 km G.652 single-mode fiber pair. The SPQ-CS-LR-CDFF (CS suffix) is the dual-rate variant that adds OTU4 4L1-9D1F transport at 111.81 Gbps in addition to 100GbE. Both share the same QSFP28 form factor, the same 4-channel LAN-WDM optical engine and the same 10 km reach. Source Photonics' product website distinguishes the two with '(100GE)' on CE listings versus '(100GE&OTU4)' on CS listings; treat the suffix as a functional capability marker rather than a formally documented naming rule. Order against the exact ordering code on your BOM rather than substituting between CE and CS forms.
Does the SPQ-CE-LR-CDFF work in Cisco, Arista and Juniper switches?
EdgeOptic's standard SPQ-CE-LR-CDFF carries Source Photonics MSA EEPROM identification. Cisco NX-OS may require the 'service unsupported-transceiver' command because the EEPROM does not identify as Cisco; Cisco IOS XE behavior varies by release; verify against the platform's transceiver compatibility documentation. EdgeOptic can program Cisco-coded, Arista-coded or Juniper-coded versions on request when the deployment requires native acceptance with no host-side configuration.
What is the link budget for the SPQ-CE-LR-CDFF over a 10 km OS2 link?
The module meets the IEEE 802.3ba Clause 88 optical path loss budget of 6.3 dB. For a typical 10 km OS2 deployment, fiber attenuation accounts for roughly 2 to 3 dB at the LR4 wavelengths, leaving headroom for connector and splice losses inside the standard budget. Verify the end-to-end loss measurement against the 6.3 dB budget during commissioning, and use the per-lane RX power readings exposed via DOM/SFF-8636 to confirm receive levels are inside the receiver sensitivity envelope.
How does the SPQ-CE-LR-CDFF relate to other SPQ catalog codes such as SPQ-CS-LR-CDFF?
Source Photonics maintains a family of QSFP28 LR4 ordering codes under the SPQ prefix, with related variants such as SPQ-CS-LR-CDFF. The SPQ-CE-LR-CDFF is the standard 10 km LR4 LC duplex variant in the Source Photonics catalog. Source Photonics does not publicly publish the full decoder for the suffix system, so order whichever exact code your procurement system or original BoM specifies; if a different code is needed for a specific platform certification, mention it on the order and EdgeOptic will confirm fit before shipping.