ESR Series Routers Operation Manual                                                          23 
3.2  Device rack installation 
To install the device to the rack: 
1.  Attach the device to the vertical guides of the rack. 
2.  Align  mounting  holes  in  the  support  bracket  with  the  corresponding  holes  in  the  rack 
guides. Use the  holes of the same level  on  both sides of  the guides to ensure the  device 
horizontal installation. 
3.   Use a screwdriver to screw the router to the rack. 
 
 
Fig. 3.2 —Device rack installation 
 
Device ventilation system is implemented using 'front-rear' layout. Vents are located on 
the front and side panels of the device; ventilation modules  are located at the rear. Do 
not  block  air  inlet  and  outlet  vents  to  avoid  components  overheating  and  subsequent 
device malfunction.