ModCon Mode Controller - Telecom
A passive in-line mode controller that converts any multimode light source into an Encircled Flux compliant launch for telecom and LAN loss testing.
Technical overview
The ModCon is a passive mode controller: a length of specially prepared multimode fiber in a sealed housing that redistributes the modal power of whatever source is connected to it. Because the output modal distribution is set by the device rather than by the source, an LED, VCSEL or FP laser test set all launch the same mode distribution into the fiber under test. Every unit is tested on Arden's MPX Modal Explorer to confirm the output meets the standard irrespective of the input distribution. The telecom version is specified in terms of Encircled Flux to IEC 61280-4-1:2009 and is optimised for 850 nm and 1300 nm.
Features
- EF compliant to IEC 61280-4-1
- Improves measurement repeatability in multimode fiber test
- Optimised for 850 nm and 1300 nm
- Works with all multimode fiber optic testers
- Certificate of Conformance or Test Sheet available
- Passive - no power required
Specifications
| Parameter | Value |
|---|---|
| Weight | 50 g |
| Dimensions (excluding cabling) | 153 x 36 x 10.5 mm |
| Input cable length | 1.0 m |
| Output cable length | 1.0 m |
| Input/output cable jacket | 3 mm PVC jacket with Aramid strength member |
| Enclosure material | High strength polymer |
| Maximum power throughput | 10 mW |
| Insertion loss @ 850 nm (50 um fiber) | <3 dB |
| Insertion loss @ 850 nm (62.5 um fiber) | <3 dB |
| Encircled Flux compliance to | IEC 61280-4-1: 2009 |
| Connectors | Reference grade |
| Component type | Passive |
| Min. bend radius for ModCon output and EF preserving cord | 50 mm |
| Ordering - MC-FC-50-N | Mode controller in 50/125 um fiber with FC connectors. Compact, blue body |
| Ordering - MC-FC-62-N | Mode controller in 62.5/125 um fiber with FC connectors. Compact, blue body |
| Ordering - MC-SC-50-N | Mode controller in 50/125 um fiber with SC connectors. Compact, blue body |
| Ordering - MC-SC-62-N | Mode controller in 62.5/125 um fiber with SC connectors. Compact, blue body |
| Ordering - MC-SC/LC-50-N | Mode controller in 50/125 um fiber with SC/LC connectors. Compact, blue body |
| Ordering - MC-SC/LC-62-N | Mode controller in 62.5/125 um fiber with SC/LC connectors. Compact, blue body |
Applications
- Loss and bandwidth measurement of multimode fiber networks
- OTDR and LS/PM loss testing where source modal distribution varies
- Compliance with IEC 61280-4-1 Encircled Flux launch requirements
- Improving agreement between different test sets and data sets
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