Features:
- Two SC optical ports extend a compatible SCALANCE switch with gigabit fiber links.
- Each port uses 850 nm multimode transmission over a paired-fiber path.
- The host switch supplies power and presents module and port status.
A link requires compatible optics at both ends as well as the correct fiber type.
Transmit power and receiver sensitivity define the usable optical budget.
The plug-in slot connects the optical interfaces to the host switching fabric.
The Siemens 6GK5992-2AL00-8AA0 SCALANCE MM992-2 Media Module may remain available for quotation and support beyond End-Of-Life (EOL) by the manufacturer (OEM).
Siemens 6GK5992-2AL00-8AA0 SCALANCE MM992-2 Media Module Manuals,Datasheets,Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
Relating transmitter output to received signal margin
- Transmit level: The laser launches within the documented power range.
- Path loss: Fiber attenuation and every connector consume part of the budget.
- Receiver limit: The far-end signal must remain above the sensitivity threshold.
- Distance result: The complete loss calculation must fit inside the 750 m multimode limit.
Keeping transmit and receive strands correctly assigned
- Local TX: One strand carries light from the first device to the remote RX.
- Local RX: The return strand carries the remote transmitter back to the local receiver.
- SC ferrules: Clean connectors reduce reflection and insertion loss.
- Peer optics: The remote module must use compatible rate, wavelength and fiber type.
Connecting the plug-in optics to the switching fabric
- Module slot: The MM992-2 seats in a supported SCALANCE media-module position.
- Power path: Operating power enters from the host switch rather than a separate supply.
- Data path: Each optical port feeds the host switching matrix.
- Diagnostics: The switch reports the port and module states used during commissioning.
Separating optical faults from host-switch conditions
- Module recognition: Confirm that the switch detects the installed media module.
- Port state: Check administrative enable and negotiated gigabit operation.
- Light path: Inspect polarity, connector cleanliness, patch type and received level.
- Environmental check: Verify enclosure temperature and the IP20 installation boundary.