DSP-4000 Series
Users Manual
8-22
100
90
80
70
60
50
40
30
20
10
0
-20 0 20 40 60 80 100 120 140
Temperature (deg F)
Temperature (deg C)
%RH
-4
-20
32
0
30 40 50 60
= Normal Operation (0˚ C to 45˚ C)
= Storage (-20˚ C to 60˚ C)+
oy40f.eps
Figure 8-8. Operating Environment Specifications
Input Ratings
A DSP-4000 Series test tool and remote are designed to measure unpowered
cables. The inputs are protected against continuous, current-limited telco voltages
(<100 mA) and can withstand occasional overvoltages of less than 30 V rms
(42 V peak, 60 V dc).