If your vehicle is not equipped with the technical means that enable the use of dynamic toll or electronic toll, may you drive in the lane signposted as such?

A)Yes.Correct
B)No.
The sign indicates that in the lane signposted as such, payment can be made via the electronic toll system, but if you do not have such a system, payment can also be made via the manual system.
If the sign were the lower one, the lane signposted as such would be exclusive to vehicles equipped with electronic toll.
If the sign were the lower one, the lane signposted as such would be exclusive to vehicles equipped with electronic toll.