★★★★★
“There are no reviews yet — be the first to share your experience.”Your company · November 10, 2026

Photos of the actual unit are provided before shipment on request.
Product Description
SCALANCE X accessory; Media module MM991-4; 4x 100 Mbit/s BFOC ports, optical; multimode optical up to max. 5 km.
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CUSTOMER FEEDBACK
Verified sourcing support, clear communication and export-ready delivery for Electrical Accessory 6GK5991-4AB00-8AA0.
“There are no reviews yet — be the first to share your experience.”Your company · November 10, 2026
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