MODEX-OPTS, MODEX-OPTM
User’s Manual
Section 10. Troubleshooting
Page 109 / 113
Symptom
Root cause
Action
Refer to
Optical module
Extenders are
not linked or
remote device
cannot be
reached
Fiber cable is
connected to
the not used
channel
Check the connectors: from TX
(Channel A) to RX (Channel B).
Optical cable
became
contaminated
Use special fiber optical cable
cleaning equipment or a soft cloth to
carefully clean it.
Different
firmware is
installed
Check the firmware in TX and RX;
the versions have to match. If
necessary do firmware upgrade.
and Chapter
Miscellaneous
Crosspoint
setting cannot
be changed
Core module is
locked
Unlock the core module via the built-
in website.
Module
property cannot
be changed
The module is
locked
Unlock the module via the built-in
website.