Juniper Networks EX-SFP-25GE-CWE27-30 Compatible 25G SFP28 Transceiver Module
This Juniper Networks EX-SFP-25GE-CWE27-30 compatible transceiver provides 25G connectivity in a hot-swappable SFP28 package. Its optical design operates at 1270nm for up to 30km, using Duplex LC. Complete parameters and related OEM references help project teams keep OEM references, delivery records and port schedules aligned.
OEM Part Number: EX-SFP-25GE-CWE27-30HT Part Number: CW-SFP25G30-27
Product Highlights
- Compatible alternative to Juniper Networks EX-SFP-25GE-CWE27-30
- 25G connectivity at 25.78Gbps
- Optical wavelength: 1270nm
- Specified reach: 30km
- Duplex LC / SMF interface
- Digital diagnostic monitoring: Supported
- Operating temperature: 0 to 70°C (32 to 158°F)
Specifications
| Juniper Networks Compatible | EX-SFP-25GE-CWE27-30 |
|---|---|
| Manufacturer | HT |
| HT Part Number | CW-SFP25G30-27 |
| Form Factor | SFP28 |
| Max Data Rate | 25.78Gbps |
| Wavelength | 1270nm |
| Max Cable Distance | 30km |
| Connector | Duplex LC |
| Media | SMF |
| Transmitter Type | DML CWDM |
| Receiver Type | APD |
| TX Power | 0~5dBm |
| Receiver Sensitivity | <-13.5dBm |
| Power Consumption | 1.5W |
| Extinction Ratio | 3.5dB |
| DDM/DOM | Supported |
| Commercial Temperature Range | 0 to 70°C (32 to 158°F) |
| CDR | TX and RX |
| Power Budget | 13.5dB |
| FEC Function | Supported |
| Protocols | MSA Compliant, CPRI, eCPRI |
Project Documentation and Traceability
Large deployments are easier to audit when the order code, optical standard and endpoint record agree. Keep the OEM reference in the compatibility document and the HT part number on the packing list. Labels and carton groups can be arranged by rack or port plan so installers need not identify modules by appearance. For this model, the principal parameters are data rate 25.78Gbps, wavelength 1270nm, rated reach 30km.
Juniper Networks Compatibility and Factory Testing
Compatibility testing for EX-SFP-25GE-CWE27-30 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.
Applications and Optical Link Design
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 25G interface configuration must match the remote equipment; sharing a SFP28 housing alone does not make two transceiver types interoperable.
For this 1270nm interface, verify channel spacing and filter compatibility. Passive filters add loss even without active equipment, so assess 30km using the complete channel rather than fiber distance alone.
Optical Acceptance, Diagnostics and Handling
For this model, the specified transmit-power range is 0~5dBm; receiver sensitivity is <-13.5dBm; the stated optical power budget is 13.5dB. During commissioning, record the host diagnostic readings after the link has stabilized and compare them with those limits. DOM values are useful operational indicators, but they do not replace calibrated optical measurements when a link is marginal. Investigate unexpected loss through connector inspection, cleaning and a channel measurement before replacing the module. 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.
Frequently Asked Questions
Is this an original Juniper Networks transceiver?
No. It is an HT-manufactured compatible alternative for equipment that specifies EX-SFP-25GE-CWE27-30, not an original Juniper Networks-branded module.
Which fiber and connector are required?
Use Duplex LC with SMF. The specified maximum reach is 30km, subject to fiber quality and total link loss.
Can it be mixed with another wavelength or reach version?
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.
Ordering Information
Use EX-SFP-25GE-CWE27-30 as the compatibility cross-reference and CW-SFP25G30-27 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.
Shipping and Lead Time
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.
Quality Assurance and Packaging
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.
