[Asterisk-Users] TDM400P Power Connector

[Kevin P. Fleming]

Mojo Jojo wrote:

> In the meantime can the card run without the power connector if it has 
> only one module on it?

Power is required to generate ringing voltage for FXS modules; if you 
have only FXO modules, power is not required at all. The number of 
modules is not relevant, as the ringing generator will never draw power 
from the PCI bus.