Nortel 1200 Supplementary Manual

Page of 22
 
18
Technical specifiations
Physical:
Dimensions:
(H) 1.65 in x (W) 6.0 in x (L) 4.5 in 
(H) 4.2 cm x (W) 15.24 cm x (L) 11.43 cm
Weight:
1.5 lbs. (0.63 kg)
Environmental requirements:
Operating temperature:
-5 to +55 degrees C
Storage temperature:
-45 to +85 degrees C
Operating relative humidity:
10 to 90% noncondensing
 
Storage relative humidity:
10 to 95% noncondensing
Operating altitude:
up to 10,000 feet above sea level
Storage altitude:
-1,000 to 40,000 feet above sea level
 
MTBF:
200,000 hours at +25 degrees C
Electrical requirements:
Input voltage:
-36 to -60 VDC, -48 V nominal
Input current:
4.5 A maximum at -48 VDC
Inrush current:
Less that 45 amperes, peak at 60 VDC
Safety and compliance:
UL 1950 or NRTL
CSA 22.2 No. 950
IEC950/EN60950
CB Certificate and report with all national 
deviations