Hitachi GR2000 - Manual (Page 378)

Methods of fitting/removing the GBIC to NEIG-4C are described below:
How to fit.
How to remove.
(1) Raise the lever, and
push it in securely to the
(2) Let the lever fall down. (1) Push the modules in securely to the end.
Note: Push it in until "click" is heard.
In case of Module A In case of Module B