![HP FlexNetwork MSR3012 Installation Manual Download Page 62](http://html.mh-extra.com/html/hp/flexnetwork-msr3012/flexnetwork-msr3012_installation-manual_163087062.webp)
57
Troubleshooting interface module, cable, and
connection failure
Symptom
After an interface module is installed and the router is powered on, the LEDs on the interface module
panel indicate that the interface module is operating improperly.
Solution
To resolve the problem:
1.
Verify that the interface module makes good contact with the rear panel of the router slot.
2.
Verify that the router supports the interface module.
3.
Verify that the interface module is installed in the specified router slot.
4.
Verify that a correct cable is used.
5.
Verify that the cable is correctly connected.
6.
If the problem persists, contact Hewlett Packard Enterprise Support.