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StarTech MCMGBSCMM055 Gigabit Ethernet to SC Multimode Fibre Converter
Gigabit Ethernet to SC Multimode Fibre Converter designed for professional IT, electronics, security or workstation use.
Frequently asked questions
What is StarTech MCMGBSCMM055?
It is a Gigabit copper-to-1000BASE-SX multimode fibre media converter that extends a Gigabit Ethernet network up to 550m over duplex SC multimode fibre.
Which connections or mounting method are provided?
One auto-negotiating RJ45 port and one duplex SC fibre port
What performance is specified?
1Gbps fibre; 850nm multimode; up to 550m; 9K jumbo frames; full duplex
How is the product constructed?
Compact brown steel converter with wall-mount capability, LEDs and universal ANZ power adapter
How far can the fibre link reach?
The specified maximum distance is 550m over compatible duplex SC multimode fibre.
Does it support jumbo frames?
Yes. The converter supports jumbo frames up to 9K.
What should be checked before ordering?
Requires duplex SC multimode fibre at 850nm; copper supports 10/100/1000Mbps while the fibre side operates at 1Gbps.
What warranty applies?
MCMGBSCMM055 carries a StarTech.com 2 years manufacturer warranty, subject to the manufacturers terms and eligibility requirements.
Planning a broader setup? Browse the DeviceDeal buying guides.
(MCMGBSCMM055)
Why choose MCMGBSCMM055?

MCMGBSCMM055 specifications
Exact-model specifications for compatibility checking. Measurements may be rounded.
| Warranty Information | |
|---|---|
| Warranty | 2 Years |
| Standards | |
| Fibre | IEEE 802.3z 1000BASE-SX |
| Copper | IEEE 802.3 / 802.3u / 802.3ab |
| Flow / VLAN | IEEE 802.3x full-duplex; 802.1Q pass-through |
| Connectors | |
| Copper Port | 1 × RJ45 female |
| Fibre Port | 1 × duplex SC female |
| Performance | |
| Maximum Fibre Rate | 1Gbps |
| Copper Networks | 10/100/1000Mbps |
| Fibre Type | Multimode, full duplex |
| Wavelength | 850nm |
| Maximum Distance | 550m fibre; 100m copper |
| Jumbo Frames | Up to 9K |
| MTBF | More than 50,000 hours at 25°C |
| Power and Physical | |
| Power | Included universal ANZ AC adapter; 5V DC output |
| Housing | Brown steel |
| Dimensions | 97 × 70 × 26mm |
| Product Weight | 200g |
| What's in the Box | |
| Included | Media converter; universal ANZ power adapter; quick-start guide |
Sources: https://www.devicedeal.com.au/startech-gigabit-ethernet-to-sc-fiber-media-conver and https://www.startech.com/
| SKU | MCMGBSCMM055 |
| Barcode # | 65030878227 |
| Brand | Startech |
| Shipping Weight | 0.5500kg |
| Shipping Width | 0.100m |
| Shipping Height | 0.050m |
| Shipping Length | 0.280m |
| Shipping Cubic | 0.001400000m3 |
This Australian-version product is supplied by DeviceDeal and is covered by the 2-year manufacturer warranty term listed for this exact product.
- Keep your DeviceDeal tax invoice as proof of purchase.
- Coverage is subject to StarTech.com warranty terms, eligibility and product assessment.
- Warranty service does not replace rights that may apply under Australian Consumer Law.
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