Allen - Bradley 1794 - AENTR is a Flex I/O communication adapter. Here are its brief English parameters:
Input Voltage: Nominal 24 VDC, range 19.2 - 31.2 VDC (including 5% AC ripple)
Inrush Current: 18 A for 2 ms
Power Consumption: Max. 500 mA, 400 mA at 24 VDC
Flexbus Output Current: Max. 640 mA at 5 VDC
Communication Rate: 10/100 Mbps
Supported Protocol: Ethernet I/P
Supported Topologies: Linear
Communication Port: Two RJ45
I/O Capacity: 8 modules
Operating Temperature: 0 - 55 °C (32 - 131 °F)
Storage Temperature: - 40 - 85 °C (- 40 - 185 °F)
Vibration Resistance: Tested 5 g @ 10 - 500 Hz per IEC 68 - 2 - 6
Operating Shock: 30 g peak acceleration, 11(+1) ms pulse width
Insulation Voltage: 50 V continuous
Physical Dimensions: Approximately 87 x 94 x 92 mm (3.4 x 3.7 x 3.6 in)
Weight: About 227 g (8.01 oz) or 0.23 kg
Mounting Method: DIN - rail mounting
Indicator Lights: Module status (red/green), network status (red/green), link status (green), link 2 status (yellow/green)