Someone wrote that these only work for 1000Mbps;you would think that they would autoneg. 10/100/etc w/ the switch. Can someone else confirm?

I contacted TP-Link to ask them this question. Version 4 of the product supports 10/100/1000 auto-negotiation. Version 3 and older only supports gigabit.

will this give me better speed? i have 100ft cat6 away from modem and only get 14mb down but 80 when connected closer

Yes and better stability. Switch your cable to cat 7 for better speed. If your willing to spend the money, get a 3ft cat7 cable connect that cable from modem to this converter, get a FO cable for 100 ft run ( they are about $40 to $50 on eBay) connect the cable to a second converter at the end of the run and use a 3ft cat 7 cable to connect to your device. By the way on the back of the converter there is a switch that says auto and force, switch it to force. Auto means if your only going to connect this converter to another device and not to another converter. To learn more, go to YouTube for videos on the installation and use of this great product! Good luck!

What size is the dc barrel connector plug on the power adapter? presumably either 2.1 or 2.5 by 5.5 mm? thx!

I do not know. https://www.tp-link.com/us/products/details/cat-43_MC200CM.html This is the url to the device

Can I go ethernet from my router to multimode then back to ethernet after about 200m without out speed loss?

This media converter is rated for gigabit speed. Multimode fiber used at gigabit speed should be good to about 1,000 meters. So, 200m should be a piece of cake. HTH

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MC200CM, Gigabit SFP to RJ45 Fiber Media Converter

Product ID: 1468725

Details

Brand
TP-Link
Color
Black
Compatible Devices
Desktop Laptop
Data Link Protocol
Ethernet IEEE
Data Transfer Rate
1000 Megabits
Hardware Interface
Ethernet

⚡1000Mbps Full-Duplex Speed

📏Extends Fiber up to 550m

🔄Auto MDI/MDIX & Force/Auto Mode

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Description

🚀 Elevate Your Network: Fiber Meets Copper at Gigabit Speed!

BLAZING GIGABIT SPEED - Experience seamless 1000Mbps full-duplex data transfer for ultra-fast network performance.
PLUG PLAY SIMPLICITY - Auto MDI/MDIX support eliminates cable hassles—just connect and go, no manual crossover needed.
BUILT TO LAST PROTECT - Robust design ensures surge immunity and reliable operation, safeguarding your critical connections.
DISTANCE WITHOUT LIMITS - Extend your fiber optic reach up to 550 meters with multi-mode fiber for flexible infrastructure setups.
CRYSTAL CLEAR NETWORK STATUS - Front panel LED indicators keep you effortlessly informed about your network activity in real-time.

The TP-Link MC200CM is a high-performance media converter that bridges 1000BASE-SX fiber and 1000BASE-T copper networks at full gigabit speed. Supporting multi-mode fiber distances up to 550 meters and featuring auto MDI/MDIX with configurable transfer modes, it offers plug-and-play ease and reliable, surge-resistant connectivity ideal for professional-grade network environments.

Specifications

ASIN	B003AVRLZI
Best Sellers Rank	#77 in Computer Networking Transceivers
Customer Reviews	4.5 4.5 out of 5 stars (234)
Date First Available	December 19, 2005
Item Weight	14.4 ounces
Item model number	MC200CM
Manufacturer	TP-Link
Product Dimensions	8.03 x 2.56 x 6.5 inches

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$71.88

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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