Allied Telesis NetExtreme II Adapters - Manual (Page 170)

Appendix A: Specifications
170
Power Specifications
The following power specifications apply to the AT-2973SX, 
AT-2973T, AT-2973T/4, and AT-VNC10S adapters:
Operating Voltage: AT-2973SX: +3.3V 
AT-2973T: +3.3V 
AT-2973T/4: +3.3V 
AT-VNC10S: +12.0V
Maximum Power AT-2973SX: 5.28 Watts 
Consumption: AT-2973T: 4.1 Watts 
AT-2973T/4: 7.1 Watts 
AT-VNC10S: 12.0 Watts
Performance Specifications
The following performance specifications apply to the AT-2973SX, 
AT-2973T, and AT-2973T/4 adapters:
x4 PCIe v2.0 and v1.1 compliant
The following performance specifications apply to the AT-VNC10S
adapter:
x8 PCIe v2.0 compliant
Operating Specifications
The following operating specifications apply to the AT-2973SX adapter:
Output Optical Power: -9.5 dBm minimum to -1.5 dBm maximum
Input Optical Power: -17 dBm
Receive Sensitivity: -12.5 dBm with 62.5 µm fiber or 
-13.5 dBm with 50 µm fiber
Operating Wavelength: 850 nm