Siemens Communication Module for Use with S7-400

The Siemens 6ES series have number of electrical connections at the 1st interface / according to Industrial Ethernet is 2, at the 2nd interface / according to PROFIBUS is 1, and for power supply it is 2

Type of voltage / of the supply voltage DC
supply voltage / external / at DC / rated value 24 V
relative positive tolerance / at DC / at 24 V 20 %
relative negative tolerance / at DC / at 24 V 15 %
Consumed current 0.3 A
power loss 4.8 W