| S5720-52X-LI-DC Specification | |
| Memory (RAM) | 512 MB | 
| Flash | 240 MB | 
| Mean time between failures (MTBF) | 41 years | 
| Mean time to repair (MTTR) | 2 hours | 
| Availability | > 0.99999 | 
| Service port surge protection | Common mode: ±7 kV | 
| Dimensions (W x D x H) | 442.0 mm x 220.0 mm x 43.6 mm | 
| Weight (including packaging materials) | 3.5 kg (7.72 lb) | 
| RTC | Not supported | 
| RPS | Supported | 
| PoE | Not supported | 
| Rated voltage range | -48 V DC to -60 V DC | 
| Maximum voltage range | -36 V DC to -72 V DC | 
| Storage temperature | -40°C to +70°C (-40°F to +158°F) | 
| Relative humidity | 5% to 95%, noncondensing | 
| Stack ports | Forty-eight 10/100/1000BASE-T ports and four 10G SFP+ ports | 
 
                     
                
                 
                 
                         
                        







 
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                