Adtec digital EN-91 / EN-91P (version 1.02.29) Manual - Manual (Page 58)

Power
Input Voltage: Redundant auto switching dual 100 - 240 VAC 50/60Hz (Standard)
48VDC Telco (Option)
Redundant auto switching 12VDC Mobile (Option)
Power Consumption Start-up: 41 Watts
Operational: 27 Watts
( base consumption, actual consumption depends on installed options )
Operational
Ambient operating temperature: -20 C to 50 C.
Ambient storage temperature: -30 C to 80 C.
Non-condensing relative humidity range: 30% to 85%
Safety
CE
Optional SFP module (purchased separately)
Sensitivity: -22dBm
Overload: 0dBm
Exceeds SMPTE 297-2006 specifications
Robust error free reception of signals from 50Mbps to 3Gbps
Supports SD-SDI, HD-SDI and 3G-SDI
Hot-pluggable
RoHS compliant