
Appendix A Technical Specifications
Table 
| Power consumption with two | 37.1W, 127 BTU per hour, power rating 0.037 | |
| KVA @ 24Vdc | ||
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| Power consumption with two | 181.9W, 622 BTU per hour, power rating 0.182 | |
| KVA @ 24Vdc | ||
| 8 ports PoE | 
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| Table  | Specifications for the Cisco  | |
| 
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| Power Requirements | 
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| 
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| Nominal input voltage | 100 to 240 VAC, 50 to 60 Hz | |
| 
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 | 100 to 250 VDC | 
| 
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| Absolute maximum (short term) input voltage | 85 to 265 VAC, 47 to 63 Hz | |
| 
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 | 88 to 300 VDC | 
| 
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| Power consumption with one  | AC: 102 BTUs per hour | |
| power supply module | 29.8 W | |
| 
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 | Power rating: 0.031 KVA@115 V | 
| 
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| 
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 | DC: 98 BTUs per hour | 
| 
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 | 28.6 W | 
| 
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 | Power rating: 0.0286 KVA@125 VDC | 
| 
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| Power consumption with two  | AC: 121 BTUs per hour | |
| power supply modules | 35.5 W | |
| 
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 | Power rating: 0.0367 KVA@115 V | 
| 
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| 
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 | DC: 117 BTUs per hour | 
| 
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 | 34.4 W | 
| 
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 | Power rating: 0.0344 KVA@ 125 VDC | 
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| Table  | Specifications for the Cisco  | |
| 
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| Power Requirements | 
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| 
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| Nominal input voltage | 24 to 60 VDC | |
| 
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| Absolute maximum (short term) input voltage | 18 to 75 VDC | |
| 
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| Power consumption with one | 26.8W, 92 BTU per hour, power rating 0.027 KVA | |
| @24Vdc | ||
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| Power consumption with two | 30.7W, 105 BTU per hour, power rating 0.030 | |
| KVA @24Vdc | ||
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Cisco CGS 2520 Hardware Installation Guide
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