Acer ADSL Surf USB Modem Installation Manual page 5

Operating Environment
Operating
Non-operating
Humidity
Operating
Non-operating
Standard Approval
CE CLASS B
FCC PART 15 CLASS B
FCC PART 68
EN60950
K.21
Status LED
1 LED indicates ADSL Detect/Connect
1 LED indicates Power/Ready
Installation Guide and User Manual
+ 0? ~ + 50?
- 20? ~ + 70?
20%~80% RH
10%~80% RH
5