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Cisco CRS Carrier Routing System 8-Slot Line Card Chassis Installation Guide
OL-6256-17
Chapter 2 Installing and Removing Power Components
Power Component Information Common to Two Types of Power System
Figure 2-6 shows the wiring on the rear of a modular configuration DC power shelf.
Figure 2-6 Modular Configuration DC Power Shelf Wiring
We recommend that the terminal block covers, shown in Figure 2-6, should only be removed when
wiring and unwiring the power shelf. The terminal block cover is slotted in such a way that cables can
only come out the bottom portion of each cover.
The power supply terminal block lug opening width is 0.63 inch (1.6 cm). The terminal posts are
centered 0.63 inches (5/8 inch) (1.6 cm) apart and are M6-threaded. We recommend that you use an
appropriately sized 180-degree angle (straight) industry standard 2-hole, standard barrel compression
lug, as shown in Figure 2-7, or an appropriately sized 45-degree angle industry standard 2-hole, standard
barrel compression lug, as shown in Figure 2-8.
Figure 2-7 180-Degree (Straight) DC Power Cable Lug
281336
Crimp area
310354
2.40
+/- .06
0.60
+/- .04
0.10
+/- .01
0.25
+/- .04
0.380.63
+/- .02
End View
Ø 0.27
+/- .02
2 holes
All measurements in inches