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01 PRODUCT DETAILS

Official product identity

SCALANCE MM900

Siemens 6GK5991-2AB00-8AA0 MM991-2 Media Module

This product is an MM991-2 optical media module for adding two BFOC multimode fiber ports to supported SCALANCE equipment.

PRODUCT ROLE

100 Mbit/s multimode fiber interface

CONDITION

New Original

WARRANTY

One year

AVAILABILITY

In stock

Related models on siteSiemens Products 6ES7315-2EG10-0AB0 6ES7467-5FJ00-0AB0

SPECIFICATIONS

Optical expansion for industrial Ethernet

The MM991-2 provides two 100 Mbit/s BFOC fiber ports for multimode glass fiber links up to 5 km in compatible SCALANCE modular devices.

Detailed product description

Inserted into a supported media-module slot, the unit converts the host device interface to two optical Ethernet connections. Its compact removable format supports tailored copper-and-fiber network topologies without replacing the base device.

Official technical data

Product type	MM991-2 (BFOC)	Media module family	SCALANCE MM900
Optical ports	2 x BFOC	Port rate	100 Mbit/s
Fiber type	Multimode glass fiber	Link distance	Up to 5 km
Module marking	9912AB	Degree of integration	Plug-in media module

Communication & Connections

Host systems	SCALANCE X-300M and compatible devices
Supported security host	SCALANCE S627-2M
Transmission medium	Optical multimode fiber
Port function	Industrial Ethernet media conversion

Safety & Compliance

Industrial immunity	EN 61000-6-2
Industrial emission	EN 61000-6-4
Module handling	Use in supported host equipment
Documentation	SCALANCE MM900 operating instructions

Two optical BFOC ports

100 Mbit/s multimode transmission

Fiber reach up to 5 km

Technical basis: Siemens official product documentation

RECOMMAND

Brand features and application fields

Brand characteristics

Siemens industrial automation hardware emphasizes organized engineering, documented integration and visible operating status for maintainable systems.

Modular networkingMedia modules tailor a switch to the required physical interfaces.

Industrial fiberOptical links support distance and electrical isolation in plant networks.

Clear identificationDocumented module markings simplify maintenance and replacement.

Application fields

Suitable for industrial fiber backbones, long machine links and electrically noisy areas.

Plant backboneMultimode fiber Ethernet links

Network expansionSCALANCE modular switches

Noise isolationOptical links between equipment areas

Installation & upgrade: Insert only into a supported SCALANCE media-module slot with power removed as required by the host instructions, then connect approved BFOC multimode fiber and verify port status.

Recommended products

Siemens

6ES7340-1AH02-0AE06ES7340-1BH02-0AE06ES7340-1CH02-0AE06ES7341-1AH02-0AE06ES7341-1BH02-0AE06ES7341-1CH02-0AE06GK7342-5DA03-0XE06GK7343-1CX10-0XE06GK7343-1EX30-0XE06GK7343-1GX31-0XE06GK7343-2AH01-0XA06GK7443-1EX20-0XE06GK7443-1EX30-0XE06GK7443-5DX05-0XE16GK7542-1AX00-0XE06GK7543-1AX00-0XE06GK5204-0BA10-2BA36GK5206-1BC10-2AA36GK5205-3BD00-2AB26GK5748-1FC00-0AA0

Helmholz

700-840-5ES01700-840-8ES01700-840-16S01700-841-5ES01700-841-8ES01700-841-16S01700-847-8ES01700-843-5ES01700-848-6ES11700-855-16P01700-852-5PS01700-158-0AD02700-158-3PN02700-158-3DP02700-159-3MB01700-160-3EN02700-162-3MQ02700-884-MPI21700-972-0BB12700-901-1BB10

SERVICE & POLICY

Clear service, clear responsibility

Company service process

QUOTE

Price and lead time

Confirm the full model, condition and requested quantity.

DISPATCH

Order preparation

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Trademark & Distribution Notice

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MM991-2 Datasheet Module

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