Material, explained
Multimode or single-mode?
Should this fibre run be multimode or single-mode?
Multimode inside a building or across a campus, single-mode between buildings or across a city. Multimode has a wide 50 micron core and reaches hundreds of metres on cheap optics; single-mode has a 9 micron core and reaches kilometres, but the transceivers cost more. The fibre itself is rarely what decides it. The distance and the optics budget are.
Both are defined by ISO/IEC 11801, ITU-T G.652.D.
Side by side
| Multimode | Single-mode | |
|---|---|---|
| Core diameter | 50 microns | About 9 microns |
| Typical reach | Hundreds of metres | Kilometres |
| Transceiver cost | Lower | Higher |
| 10 Gigabit reach | 400 m on OM4 | Tens of kilometres |
| Specify it when | Inside a building, or a campus backbone | Between buildings, or across a city |
Multimode, on the shelf
- 10G Multi-Mode Optical Module UACC-OM-MM-10G-D
- 10G Multi-Mode Optical Module 2-Pack UACC-OM-MM-10G-D-2
- CommScope 6 Core OM2 Multimode Fibre Cable 2121106-7
- CommScope 6 Core OM4 Multimode Fibre Cable 6-2225606-4
- CommScope 12 Core 2FMM OM4 Dry Tube Fibre Cable 5-2131012-2
- G2 Multimode TeraSPEED Standard MPO Cassette, 12 LC Fibers 760224089
- G2 OM4 Standard MPO Cassette, 12 LC Fibers (6 duplex ports) 760224071
- G2 OM4 Standard MPO Cassette, 24 LC Fibers (12 duplex ports) 760206532
- CommScope XPND Singlemode LC/APC to LC/APC, Fiber Patch Cord, 1.6 mm Simplex, Dual Rated LSZH/Riser XPPCSRM/M
- CommScope XPND Singlemode LC/UPC to LC/UPC, Fiber Patch Cord, 1.6 mm Simplex, Dual Rated LSZH/Riser XPPCSR8/8
- CommScope XPND Singlemode SC/APC to SC/APC, Fiber Patch Cord, 1.6 mm Simplex, Dual Rated LSZH/Riser XPPCSRJ/J
- FMS Loaded Panel, 6F OM3, 1U Drawer, LC MM Pigtails 2-2122146-1
Single-mode, on the shelf
- CommScope 6 Core Singlemode Fibre Cable FR LSZH 2224206-4
- CommScope 12 Core Singlemode Dry Tube Fibre Cable FRLSZH 2225512-4
- CommScope 12 Core Singlemode Fibre Cable 4-2229212-4
- G2 Singlemode Standard MPO Cassette, 24 LC Fibers (12 duplex ports) 760206540
- CommScope XPND Singlemode LC/APC to LC/APC, Fiber Patch Cord, 1.6 mm Simplex, Dual Rated LSZH/Riser XPPCSRM/M
- CommScope XPND Singlemode LC/UPC to LC/UPC, Fiber Patch Cord, 1.6 mm Simplex, Dual Rated LSZH/Riser XPPCSR8/8
- CommScope XPND Singlemode SC/APC to SC/APC, Fiber Patch Cord, 1.6 mm Simplex, Dual Rated LSZH/Riser XPPCSRJ/J
- FMS Loaded Panel, 6F OS2, 1U Drawer, LC SM Pigtails 3-2122146-1
- FMS Loaded Panel, 6F OS2, 1U Drawer, SC SM Pigtails 3-2122145-1
- FMS Loaded Panel, 12F OS2, 1U Drawer, LC SM Pigtails 3-2122146-2
- NAD-FSDLCLC
- NAD-FSDSCSC
Other choices we get asked about
Still not sure which the job needs? Describe the run and our team will tell you, and quote it.
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