User's Guide ______________________________________________________________________  
84 __________________________________________________________________ M210667EN-C 
 
  0201-071 
Figure 41  Installing DMX501 
The following number refers to Figure 41 above. 
1 = DMX501 Modem module 
 
NOTE 
Handle the boards carefully. Do not touch the components on the boards 
to avoid ESD damage to them. Ground yourself before attempting to 
touch the boards. 
 
NOTE 
Do not let the boards get wet. 
 
NOTE 
Note the correct orientation of the DMX501 module. 
 
6.  After installing the DMX501 modem, push the LTC212 board back 
to its place and attach the two screws securing it into the correct 
position.  
7.  Attach the cover plate by tightening the four screws holding it.  
8.  Insert the connectors onto the LTC212 board and note their correct 
order (refer to the numbers on the cover plate). 
9.  Make the necessary signal wiring as described above and turn on 
the AC switch and also the battery backup switch if installed).