DNX-11 Installation DNX-11 DC Power
DOC-001-11001 (Rev. 006) 18 DNX Quick Install & Setup Guide
6. Insert the “-48VDC” lead into the negative terminal clamp and tighten the clamp screw.
7. Insert the “return” lead into the negative terminal clamp and tighten the clamp screw. For a
talk battery connection, DC Return should be tied to the service provider for the FXO/FXS
Ground Start operations to work properly. See Figure 13.
Figure 13: Talk Battery Connections.
8. Insert the power terminal block into the mating receptacle on the rear panel.
9. To minimize disturbance to the wires through casual contact, secure the cables to the rack
frame using multiple cable ties. The first tie should be within 6 inches of the terminal block.
10. Talk Battery or Signal Battery power may now be applied to the unit.
DNX Talk Battery
-48VDC (-)
DC Return (+)
TELCO
Ground
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