ESR Series Routers Operation Manual                                                          15 
2.4.1.3 ESR-1000, ESR-1200 rear panel 
The rear panel layout of ESR-1000, ESR-1200 is depicted in Fig. 2.3
1
. 
 
 
Fig. 2.3 —ESR-1000, ESR-1200 rear panel 
Table 2.11 lists rear panel connectors of the router. 
Table 2.11 —Description of rear panel connectors of the router  
Backup power supply installation position. 
Removable ventilation modules with hot-swapping. 
Earth bonding point of the device. 
2.4.1.4 Side panels of the device 
 
Fig. 2.4 —The right-side panel of ESR-1000, ESR-1200 routers 
 
Fig. 2.5—The left-side panel of ESR-1000, ESR-1200 routers 
Side panels of the device have air vents for heat removal. Do  not block air vents. This may cause 
components  overheating  which  may  result  in  terminal  malfunction.  For  recommendations  on  device 
installation, see section 'Installation and connection'.  
  
1
 The figure shows the router delivery package with a single AC power supply.