The 6GK5991-4AC00-8AA0 is a media module designed for integration into SCALANCE X industrial network switches. Manufactured by Siemens, this accessory module features four 100 Mbit/s BFOC optical ports supporting single-mode fiber optic transmission over distances of up to 26 km, facilitating reliable high-speed data communication across distributed industrial automation networks.
The 6GK5991-4AC00-8AA0 is engineered to expand network connectivity while maintaining robust performance in demanding industrial environments. The unit features physical dimensions of 12.03 x 27.55 x 2.23 cm and an operating weight of 0.50 kg. As an active lifecycle product, it supports ongoing network expansion, long-distance data transmission, and flexible system configuration for modern industrial control architectures.
Features
Media module design for SCALANCE X switch infrastructure
Four 100 Mbit/s BFOC optical ports for fiber optic connectivity
Single-mode optical transmission support up to a maximum of 26 km
Robust physical construction optimized for industrial network racks
Active product lifecycle status ensuring ongoing component availability
Distributed control system (DCS) communication linking
Factory automation and plant-wide network expansion
SCALANCE X switch optical port configuration
Technical Specifications
Technical Parameter
Specification
Manufacturer
Siemens
Brand
Siemens
Range
SCALANCE
Type of product
Accessories
Product Phase
Active
Module Type
Media module MM991-4LD
Port Configuration
4 x 100 Mbit/s BFOC ports, optical
Fiber Type
Single-mode optical
Max. Transmission Distance
Up to 26 km
Dimensions
12.03 x 27.55 x 2.23 cm
Weight
0.50 kg
Commodity Code
85176200
Export Control Regulations (ECCN)
N
Installation Guidelines
Ensure the power to the SCALANCE X switch is turned off before inserting or removing the 6GK5991-4AC00-8AA0 media module.
Align the module carefully with the designated slot on the switch chassis and insert it smoothly until fully seated.
Secure any retaining screws or locking levers to prevent displacement caused by industrial vibration.
Connect single-mode optical fiber cables to the BFOC ports, ensuring proper alignment and cleanliness of optical connectors to maintain signal integrity.
FAQ
What is the primary function of the 6GK5991-4AC00-8AA0 module?
It functions as a SCALANCE X media module providing optical port expansion for industrial Ethernet switches.
How many ports and what type of interface does this media module provide?
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