
Appendix A Technical Specifications
| Table  | Specifications for the Cisco  | |
| 
 | 
 | |
| Power Requirements | 
 | |
| 
 | 
 | |
| Nominal input voltage | 100 to 240 VAC, 50 to 60 Hz | |
| 
 | 
 | 100 to 250 VDC | 
| 
 | 
 | |
| Absolute maximum (short term) input voltage | 85 to 265 VAC, 47 to 63 Hz | |
| 
 | 
 | 88 to 300 VDC | 
| 
 | 
 | |
| Power consumption with one  | AC: 147 BTUs per hour | |
| power supply module | 43.2 W | |
| 
 | 
 | Power rating: 0.044 KVA@115 V | 
| 
 | 
 | 
 | 
| 
 | 
 | DC: 137 BTUs per hour | 
| 
 | 
 | 40.3 W | 
| 
 | 
 | Power rating: 0.0403 KVA@125 VDC | 
| 
 | 
 | |
| Power consumption with one  | AC: 376 BTUs per hour | |
| power supply module (with PoE on 4 ports) | 110.1 W | |
| 
 | 
 | Power rating 0.11 KVA@115 V | 
| 
 | 
 | 
 | 
| 
 | 
 | DC: 375 BTUs per hour | 
| 
 | 
 | 109.8 W | 
| 
 | 
 | Power rating: 0.109 KVA@125 VDC | 
| 
 | 
 | |
| Power consumption with two  | AC: 166 BTUs per hour | |
| power supply modules | 48.8 W | |
| 
 | 
 | Power rating: 0.051 KVA@115 V | 
| 
 | 
 | 
 | 
| 
 | 
 | DC: 167 BTUs per hour | 
| 
 | 
 | 48.9 W | 
| 
 | 
 | Power rating: 0.0489 KVA@125 VDC | 
| 
 | 
 | |
| Power consumption with two  | AC: 628 BTUs per hour | |
| power supply modules (with PoE on 8 ports) | 184.1 W | |
| 
 | 
 | Power rating: 0.185 KVA@115 V | 
| 
 | 
 | 
 | 
| 
 | 
 | DC: 622 BTUs per hour | 
| 
 | 
 | 182.2 W | 
| 
 | 
 | Power rating: 0.182 KVA@125 VDC | 
| 
 | 
 | 
 | 
Table 
Power Requirements
| Nominal input voltage | 24 to 60 VDC | 
| 
 | 
 | 
| Absolute maximum (short term) input voltage | 18 to 75 VDC | 
| 
 | 
 | 
| Power consumption with one | 34.2W, 116 BTU per hour, power rating 0.034 | 
| KVA @ 24Vdc | |
| 
 | 
 | 
| Power consumption with one | 106W, 363 BTU per hour, power rating 0.106KVA | 
| @ 24Vdc | |
| 4 ports PoE | 
 | 
| 
 | 
 | 
Cisco CGS 2520 Hardware Installation Guide
| 
 | 
 | ||
| 
 | 
 | 
