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--- quick_guide:cable_modem [2015/12/22 14:12]
gcooper
+++ quick_guide:cable_modem [2015/12/22 14:34] (current)
gcooper
@@ Line 11: / Line 11: @@
 Refer to this image as a common model representative of most cable modems:
-{{ :quick_guide:motorola_sb6121_lights.gif?450 |Cable Modem Status Lights}}
+{{ :quick_guide:motorola_sb6121_lights.gif?482 |Cable Modem Status Lights}}
-If you lose connectivity again, the cable modem status will be our focus.  Note the status of the lights.
+===== Troubleshooting and Reset Procedure =====
-Unplug the power from the cable modem for 15 seconds, then plug it back in.
+If you lose (Internet) connectivity:
-The power light #1 will come on and the second light #2 will blink.  The second light #2 will go solid and #3 will blink.  #3 will go solid and #4 will blink.  Once #4 goes solid, the circuit should be back up.
+  - Look at all your communications gear and make sure it is all turned on (check for power):
+    - Cable modem
+    - Router
+    - Ethernet switch
+  - If power is on, focus on the cable modem first:
+    - Note the status of the lights (write it down if necessary)
+    - Unplug the power from the cable modem for 15 seconds
+    - Plug the cable modem power back in and watch the progression of the lights
+      - Power light (#1) will come on and the second light (#2) will blink
+      - Second light (#2) will go solid and #3 will blink
+      - Third light (#3) will go solid and #4 will blink
+      - The fourth light will finally go solid
+  - Check that the circuit is back up (Internet access)
+    - Please note the connectivity status
+  - If connectivity is still not restored:
+    - Unplug the power to your router, then plug it back in
+    - Wait for a minute or so, then check connectivity again
+  - If connectivity is not restored after rebooting your router:
+    - Reboot your workstation PC
+    - Check connectivity again
-Connectivity should/may be restored.  Please note the connectivity status.
+These procedures will restore Internet access most of the time, but they doesn't actually fix anything.
-If connectivity is still not restored, unplug the power to the Mikrotik router (red metal unit) then plug it back in.
+If you have a chronic issue, be sure to report the outage(s) to your service provider.
-Wait 1 minute and check that connectivity has been restored.
-Please contact me about any circuit disruptions.
-This info is mostly for reference, or for the next time...

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