Product category
G.657.A2 Optical Fiber
B2B wholesale sourcing of G.657.A2 bend-insensitive single-mode optical fiber, fully compatible with G.652.D, supplied on spools for telecom and infrastructure use.
View specifications →Fiber Optic Products
G.652.D Single-Mode Fiber
B2B wholesale sourcing of G.652.D standard single-mode optical fiber on spools, with test batches and bulk supply for telecom, infrastructure and distribution buyers.
IBT Services B.V. sources G.652.D standard single-mode optical fiber for B2B buyers in telecom, infrastructure and distribution.
This category covers bare G.652.D fiber supplied on spools — from test and sample batches through to bulk commercial quantities. Specify length per spool, total quantity and any attenuation or documentation requirements in your RFQ, and we will check availability, pricing and delivery through our supplier network.
Technical data
Key specifications
| Parameter | Condition | Specified value |
|---|---|---|
| Attenuation | 1310 nm | ≤0.35 dB/km |
| Attenuation | 1550 nm | ≤0.21 dB/km |
| Attenuation | 1625 nm | ≤0.24 dB/km |
| PMD (link design value) | M=20, Q=0.01% | ≤0.20 ps/√km |
| Mode-field diameter | 1310 nm | 8.6–9.5 µm |
| Cladding diameter | — | 125 ± 0.7 µm |
| Coating diameter | — | 245 ± 10 µm |
| Cable cutoff wavelength | — | ≤1260 nm |
| Standards | — | ITU-T G.652.D |
Typical specified values for standard G.652.D single-mode fiber. Exact values per delivery depend on the supplier batch and datasheet.
Examples
Example products
Examples of products that may fall within this sourcing category:
- G.652.D single-mode optical fiber (spool)
- Test spool or sample batch for qualification
Selection notes
What to specify
Use these points to prepare a precise RFQ for this category.
| Area | What to specify |
|---|---|
| Fiber standard | G.652.D — the most widely deployed conventional single-mode standard. |
| Batch type | Test or sample spool for qualification, or commercial bulk batch. |
| Spool configuration | Length per spool and total quantity required. |
| Documentation | Datasheets, OTDR reports and conformance documents where available. |
Frequently asked questions
What is G.652.D fiber used for?
G.652.D is the most widely deployed conventional single-mode fiber standard, used across telecom and infrastructure networks. It is suitable for a broad range of standard installations.
How does G.652.D compare to G.657 fiber?
G.652.D is the conventional standard, while G.657 variants are bend-insensitive and tolerate tighter bend radii. G.657.A2 is backward compatible with G.652.D. The right choice depends on your installation and compatibility needs.
Can I request a test batch before bulk ordering?
Yes. Test spools or sample batches can be requested for qualification before a larger commercial order. Specify length and quantity in your RFQ.
What documentation is available?
Depending on the supplier source, documentation may include datasheets, OTDR reports, packing lists with spool references, batch records and a supplier certificate of conformance.
Related
Related categories
Product category
Bulk Fiber Spools
B2B wholesale supply of bare optical fiber in bulk spool quantities across single-mode standards, for distributors, telecom and infrastructure buyers ordering at volume.
View specifications →Submit an RFQ for G.652.D Single-Mode Fiber
Send a structured request and IBT will review availability, pricing, technical requirements and delivery options.