Fiber path not being found.

10GE optical interfaces of a switch cannot work upon a unidirectional fiber connection. A unidirectional fiber connection occurs between two 10GE optical interfaces when one interface is Down because the Rx fiber is removed, while the other interface is still Up because its Rx fiber can receive link_Up signals from the PHY layer.
A switch determines the status of a 10GE optical interface according to the IEEE 802.3ae standard. As defined in this standard, the MAC layer of a 10GE optical can send local_fault and remote_fault signals. A switch can determine the link status based on only the link status of the PHY layer or based on the link status of the PHY layer and the local_fault and remote_fault signals from the MAC layer.
On a Huawei switch, link status of a 10GE optical interface turns Up only when the link status of the PHY layer is Up and both the local_fault and remote_fault signals are 0. When two 10GE optical interfaces are interconnected and the Rx fiber on one interface is removed, this interface goes Down and the MAC layer of the interface generates a local_fault signal. Meanwhile, the local interface sends a fault signal to the remote interface through the Tx fiber. The remote interface receives the link_Up signal from the PHY layer and the remote_fault signal from the MAC layer. Therefore, the link status of the remote interface goes Down.
S2300 Switch Thunder link com

A fiber optic cable carries infrared light path only. It's a digital signal, you can only connect this to equipment that has an optic connection. Adapting it with any kind of analog jack just simply won't function.
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checking the Google images of the Digital module does not show a tos-link connection for the module.

Optical fiber is just a transmission medium just like the copper, you should not worry about your phone, if everything goes well it should be working better than ever with high speed data capability as a plus, just think of the optical fiber as your ordinary cable but is made of glass instead of copper.

Hi and welcome to FixYa, I am Kelly.
This almost sounds like the door safety optics near the bottom of the door is not working or the optics path is blocked with something. Check the path between the 2 sensors for any obstructions. You may or may not see the red optics light path between sensors as some of these are infra red.

If the path is clear start looking at optics wiring near the sensors and all the way to the opener terminal board for any signs of damage. If all of that appears fine... then your probably going to have to replace the up/down limit switch assy.

Before you get too deep into all of the above... if the door senses a jam as in it has to drive with excessive force it will do exactly as it is now. Bent door rollers... something hanging down from the ceiling blocking door movement in the UP direction.
There really are several things that can cause this:
1. Optical sensors
2. Door limit switch
3. Force adjustment assembly
4. Blockages of optics path or door movement path
5. Stripped worm gear in the opener that has caused the door sequence timing to change on the limit switches.
6. Failed motor drive gear assembly.

Even for professionals some of these can be very time consuming to isolate and repair. (you can tie up as much money in repair labor costs as it would cost to replace the opener. Since you did not indicate how old your unit was or the exact garage door opener model number, the response above is very generic. I am not telling you to replace your opener. Only advising you of what can be high repair costs.

If your not that mechanically inclined I would call a garage door installer and ask that if he can not repair your opener what would be the replacment cost. Negotiate a diagnosis / repair cost vs replacement cost over the PHONE. Explain the symptoms and see what they say. (Call more than one before making a commitment!) Expect to hear all of the answers I mentioned above.

Thanks for choosing FixYa,
Kelly

This is an older machine and I don't remember where "D" is.
Ricoh uses Optical sensors in most of their equipment so you will be lookind for what looks like 2 LEDs close together in the paper path or a actuator of some sort in the paper path that goes back to a black U shaped device (another type of optical sensor). Start in the area that you found the paper and work your way back to the tray. Since it is optical, even dust or a tiny piece of paper can cause a jam light to stay on.

Contaminates on the optical path to the front camera.strip and clean.If its still a problem , check and replace front lamp.(the one in the flatbed area)

no the problem is check the path u mentioned in the scanner preferences and settings i mean the folder mentioned to store the scanned images after the scan , scanner is given a path to store these images by default check and change that path to other location on hard drive and everything will be ok if the problem persists then update ur driver from plustek website

either you Can go to http://www.dll-files.com/dllindex/dll-files.shtml?nvcpl download the file (which I would not guaranty it is a legal web site w/o any bugs.)
or you can reinstall the application.
try to clean the CD before insert it in the reader.

Clean the optical path. Remove glass and use very fine quality micro fiber cloth with no cleaning agents to wipe mirrors and glass. reassemble and test. If no better then maybe focus is off!

If you have an HDMI cable plugged into the cable box it may only output 2.0 on the digital audio output. Set the HDMI audio to off or 2.0 and then set the cable digital out to Dolby.