Hardware Installation Manual   6. Hardware Maintenance 
 
Media Gateways & SBCs  69  Mediant 1000B Gateway & E-SBC 
Figure  6-12: Inserting HDMX Module into Slot 
 
c.  Push the module's handle until it clicks firmly into the slot.  
3.  Install the OSN Module: 
a.  Remove the blank-panel slot cover from the slot intended for the OSN module, by 
gently pulling on the handle of the module until it slides out of the slot. 
b.  Hold the OSN module in the correct orientation, as shown in the figure below, and 
gently insert the module into the slot, sliding it along the slot's guide rails until it 
makes contact with the card-edge connector located on the backplane. 
Figure  6-13: Inserting OSN Module into Slot 
 
c.  Push the module's handle until it clicks firmly into the slot. 
4.  Connect all external interfacing cables to the OSN module.