![](/images/new-backgrounds/1277287/277287151x1.webp)
Appendix
Technical specifications
Operating temperature: | 32°F — 122°F |
| (0°C — 50°C) |
|
|
Power adapter input: | AC 120V 60Hz |
|
|
Power adapter output: | AC 9V, 300mA |
|
|
Backup battery: | Alkaline 9V |
|
|
Headset jack: | 2.5mm, |
|
|
73
Appendix
Operating temperature: | 32°F — 122°F |
| (0°C — 50°C) |
|
|
Power adapter input: | AC 120V 60Hz |
|
|
Power adapter output: | AC 9V, 300mA |
|
|
Backup battery: | Alkaline 9V |
|
|
Headset jack: | 2.5mm, |
|
|
73