AT&T Release 2.0 manual

Installing the Control Unit

g.Disconnect the 4-pin cable from the header labeled P202 on the left side of the power supply circuit board.

As shown in Figure 2-10,you may need to pry back the clip to free the cable.

h.Disconnect the other cable from the header labeled P101 on the right side of the power supply circuit board.

As shown in Figure 2-10,you need to grip this cable firmly and pull forcefully.

i.Remove the four screws from the ring generator as shown in Figure 2-10.

j . Remove the ring generator.

k.Position the replacement ring generator as shown in Figure 2-10and align the screw holes.

Make sure the P1 header on the ring generator is on the same side of the power supply housing as the P101 header on the circuit board.

l. Replace the four screws and fasten them to secure the ring generator.

m.Connect one end of the new ring generator’s cable with the 3-pin connectors to the header labeled P101 on the power supply circuit board.

This cable connector, as with all four of the cable connectors, is “keyed” so that you cannot attach it to the header if it is turned the wrong way.

Installing the Power Supply 2-35