
The SFPP-10G-DW21 compatible module serves equipment requiring a 10G SFP+ interface with 1560.61nm optics and a 40km on OS2 rating. Connection is through Duplex LC/UPC. Product data, application guidance and factory verification are presented together to support mixed-vendor networks document the correct compatibility identity at each host.
OEM Part Number: SFPP-10G-DW21HT Part Number: DW-SFP10G40-21
| Juniper Networks Compatible | SFPP-10G-DW21 |
|---|---|
| Manufacturer | HT |
| HT Part Number | DW-SFP10G40-21 |
| Form Factor | SFP+ |
| Max Data Rate | 10Gbps |
| Wavelength | 1560.61nm |
| Max Cable Distance | 40km@OS2 |
| Connector | Duplex LC/UPC |
| Media | SMF |
| Transmitter Type | EML DWDM |
| Receiver Type | PIN |
| TX Power | -1~4dBm |
| Receiver Sensitivity | <-15dBm |
| Power Budget | 14dB |
| Receiver Overload | 0dBm |
| Max. Power Consumption | 1.6W |
| Extinction Ratio | >6dB |
| DDM/DOM | Supported |
| Commercial Temperature Range | 0 to 70°C (32 to 158°F) |
| Bit Error Ratio (BER) | 1E-12 |
| Protocols | SFP+ MSA, CPRI, eCPRI, SFF-8472, SFF-8431 |
Use this module for equipment interconnection over the specified single-mode fiber plant, including enterprise backbone, campus, metro or data-center interconnect links according to its rated distance. Confirm that both ends use the same optical standard and wavelength plan, and allow for connector, splice and patch-panel loss within the stated power budget.
Before deployment, check the host port type, supported data rate and firmware requirements. The 10G interface configuration must match the remote equipment; sharing a SFP+ housing alone does not make two transceiver types interoperable.
Wavelength-selective links require the exact channel plan at both ends. Confirm that filters pass 1560.61nm, then include their insertion loss in the 40km on OS2 power budget. A nearby channel is not a substitute for the specified wavelength.
For this model, the specified transmit-power range is -1~4dBm; receiver sensitivity is <-15dBm; the stated optical power budget is 14dB. Digital diagnostics make later maintenance easier when baseline values are captured at installation. Save the initial readings with the port and OEM reference, then investigate meaningful changes rather than reacting to a single transient value. Diagnostic support depends on the host as well as the module, so unavailable fields should be confirmed with the platform documentation. Diagnostic monitoring is listed as Supported. Before every insertion, keep dust caps in place until the patch lead is ready, avoid touching the optical end face and use an appropriate inspection and cleaning procedure. Do not look into an active optical interface.
A mixed-vendor optical link should be documented at both ends, not treated as one generic connection. Confirm which OEM identity each host expects and whether both ends use the same wavelength plan and optical standard. Related links locate equivalent hardware, but brand-specific identification must still be selected independently. For this model, the principal parameters are data rate 10Gbps, wavelength 1560.61nm, rated reach 40km on OS2.
Compatibility testing for SFPP-10G-DW21 combines identification with a live link and available transmit, receive and alarm information. Connector condition is inspected separately. Equipment model, hardware revision and software release can be reviewed before dispatch where platform behavior is uncertain.
Use SFPP-10G-DW21 as the compatibility cross-reference and DW-SFP10G40-21 as the HT ordering identity. Keep other reaches or wavelength directions on separate order lines. Neutral labels, customer packaging and project-specific compatibility review are available on request.
Before packing, the module receives interface inspection, identification and link checks. Protective packaging avoids pressure on the connector and latch. Customer references, rack groups and project packing lists can be added for volume orders.
No. It is an HT-manufactured compatible alternative for equipment that specifies SFPP-10G-DW21, not an original Juniper Networks-branded module.
Use Duplex LC/UPC with SMF. The specified maximum reach is 40km on OS2, subject to fiber quality and total link loss.
Only when the two ends share the same optical standard, wavelength plan and supported data rate. Check the exact part numbers and link budget rather than relying only on the module form factor.
Standard configurations normally ship within one to three working days, with production lead times confirmed for larger quantities. International courier, air freight and sea freight are available; customer courier accounts and nominated forwarders are accepted.