Using Modules Installation and Maintenance
Agilent 8163A Lightwave Multimeter, Agilent 8164A Lightwave Measurement System, & Agilent 8166A Lightwave 
Multichannel System, Fourth Edition
213
CAUTION If you pull the module out at an angle or vertically, you may damage the 
instrument and the module. You should pull the module out along the direction 
shown by the arrow in Figure 163.
How to Fit a Back-Loadable Module
CAUTION Disconnect all electrical and optical connectors before you fit this module into the 
instrument, as this can cause damage to the connectors.
Figure 163 Removing a Back-Loadable Module from the Agilent 8164A
Untighten Retaining Screws
Remove module by pulling 
along the direction shown 
by this arrow