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 →Browse sourcing categories
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: we confirm availability and pricing with verified suppliers, and if it is workable, we supply the fiber, from test spool to commercial batch.
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 |
Attenuation
≤0.35 dB/km
1310 nm
Attenuation
≤0.21 dB/km
1550 nm
Attenuation
≤0.24 dB/km
1625 nm
PMD (link design value)
≤0.20 ps/√km
M=20, Q=0.01%
Mode-field diameter
8.6–9.5 µm
1310 nm
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.
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
Bulk and recurring supply of bare single-mode optical fiber on spools for distributors, manufacturers, installers and infrastructure projects.
View specifications →Submit an RFQ for G.652.D Single-Mode Fiber
Send a structured request: we check availability and pricing with our verified suppliers, and if the request is workable, we supply the product.