| S5731S-H48T4S-A Specification | |
| Item | Description | 
| Memory (RAM) | 4 GB | 
| Flash | 1 GB in total. To view the available flash memory size, run the display version command. | 
| Mean time between failures (MTBF) | 55.31 years | 
| Mean time to repair (MTTR) | 2 hours | 
| Availability | > 0.99999 | 
| Service port surge protection | Common mode: ±6 kV | 
| Power supply surge protection | 
 | 
| Dimensions (H x W x D) | 
 | 
| Stack ports | 1000BASE-X ports on the front panel | 
| Rated voltage range | 
 | 
| Maximum voltage range | 
 | 
| Operating temperature | -5°C to +45°C (23°F to 113°F) at an altitude of 0-1800 m (0-5906 ft.) | 
| Storage temperature | -40°C to +70°C (-40°F to +158°F) | 
| Relative humidity | 5% to 95%, noncondensing | 
 
                     
                
                 
                 
                        







 
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                    