4 Connect the DC power input cables.
a On each terminal, loosen the screw enough to allow the spade terminal to slide underneath the
captive square washer.
b Slide the spade terminal of the negative wire (–48 V) under the captive square washer on the
negative terminal (labeled –48V).
c Slide the spade terminal of the positive wire (–48 V RTN) under the captive square washer on the
positive terminal (labeled RTN).
The following figure
shows the correct positioning for both wires.
(+)
(–)
RTN
-48V
Figure 38: Connecting the DC Power Cables (Part 1)
d Tighten both screws on the terminal block to 11 pound-inches (1.25 Newton-meters).
Installing an E4G Series Router
E4G Routers Hardware Installation Guide
56