User manual

Release 1.01 Digium, Inc. Page 23
Chapter 2: Card Installation
4. If your card has any FXS modules, you will also need to connect the
power cable from your computer’s power supply to the back of the
card. Insert a four-pin 12 volt connector (disk drive power supply
cable, e.g. hard drive) into the white plastic connector on the rear of
the card. See Figure 5.
Figure 5: Connect Power for FXS Modules
Many modern PCs and servers do not have spare or any 12V power
connectors. If you have FXS modules on your TDM card and your
computer does not have power cables available, then power must be
provided to the TDM card by an alternate means. Digium provides a
solution to this problem with the optional PWR2400B (available
separately). This card is essentially a PCI bracket assembly that takes
power from an external DC power supply and routes it to two 15” power
cables inside the computer. You must have an available bracket slot to use
the PWR2400B (either PCI, PCI Express or AGP).
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