LOS: What is it?
A networking device's LOS, or loss of signal, indicator often indicates that a network signal or connection has been lost.
How can you determine whether you're losing signal?
In the Philippines, there are numerous Internet service providers, or ISPs, offering various wired internet connection services like Fiber, VDSL (Very high-speed Digital Subscriber Line), or DSL (Digital Subscriber Line). These providers include PLDT, Globe, Converge ICT, Sky Cable, Eastern Communications, Streamtech (Planet Cable), PT&T, and Royal Cable.
When there is a signal loss, different modems and routers give different signals. Either the LOS red light is continuous or it is flickering. There are three possible label formats: (1) LOS, (2) Internet, or (3) no label at all. If there isn't a label, please consult the handbook for your modem to find the LOS LED light. It is necessary to respond right away to the modem's strange LOS light behavior.
Your question regarding why your WiFi is connected but your Internet is down might still be on your mind if you're suffering from LOS (Loss of Signal). This is a result of the issue being with the ISP rather than your device.
Potential reasons for signal loss (LOS)
A fiber cut can be detected by the modem's LOS (Loss of Signal) red light. The potential causes or reasons for LOS are as follows:
- Broken or loose patch cord.
- Severe bend of the optic cable.
- The fiber connection from the pole or NAP box that is connected to your modem is having issues.
- Your location is experiencing an outage as a result of planned maintenance or ongoing equipment upgrades by your ISP.
You can attempt the following fixes to get your modem's LOS red signal to go away:
1. Restart your modem or router.
The first thing you should try when troubleshooting your modem or router is to do a power cycle. Usually, this resolves typical networking issues. Turn the modem off for five minutes, then turn it back on to restore your connection to complete the power cycle. Give the modem three minutes to sync. Verify the light indicator for LOS.
Most likely, the wires that were attached to your modem, fiber optic terminal box, or indoor optical outlet—the little white box that is fixed to the wall—went free. Verify that every cable is connected correctly. However, because the fiber optic wire is delicate and sensitive, you must exercise extreme caution. Examine both ends of the fiber optic wire that runs from the modem to the white box with great care. That is, insert the connector firmly—do not force it.
If your internet provider has informed you that your modem needs a manual firmware upgrade, simply adhere to the guidelines. It's crucial to install a firmware update; if you don't, your modem can malfunction. Updates to the firmware bring bug fixes that solve typical modem problems, reducing the frequency of power cycles.
The last resort is to get in touch with your ISP if none of the aforementioned fixes worked to resolve your LOS. You can find out adequate information about your LOS problem by giving your ISP's customer service a call. To determine the reason for LOS, the Customer Service Representative, or CSR, will run a line test. Following a line test, a CSR will assess your network's health and issue a repair, support, or service request ticket.
The following is a list of contact details that ISPs in the Philippines provide to their subscribers in order to assist them with LOS issues:
Email address:customercare@pldt.com.ph
Online at pldthome.com/support
@PLDT_Cares on Twitter
GLOBE
Hotline numbers (02) 7730-1010 or 211
https://www.globe.com.ph/contact-us.html is the website.
@talk2GLOBE on Twitter
@globeph on Facebook
CONVERGE
Hotline numbers: (045) 598 3000 or (02) 86670850
ServiceDesk@Converict.com is the email.
https://www.convergeict.com/tech-support is the website.
@Converge_CSU on Twitter
@ConvergeICTOfficial on Facebook
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