ADTRAN TSU 120e - Manual (Page 132)

Appendix E. Specifications
E-4 TSU 120 User Manual 61202129L1-1
Environmental Specifications
Input Power 90-120VAC, 47-63 Hz
Fuse 0.6A, 250V
Operating Temperature 0 deg C to 45 deg C
Max Power 15 Watts
Consumption
Max Current 0.2 A