Arista 7280 Series, Быстрый старт

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7. Shrink the tubing with a heat gun.
Figure 22: Lug Preparation
1 Insulated wire 3 Lug B 1/2”
2 Heat-shrink tubing A 1/4” C 5/8”
Note: Dimension B is the width of the lug (not visible on the right angle lug).
4.3.2.2 Connecting a DC Power Supply to Power Source
Figure 23: DC PSU Connection Example displays an example of connecting a PSU. To connect a DC
power supply to a power source, perform the following:
1. Prepare the stranded wiring ( Wire and Lug Preparation ).
2. Attach the appropriate lugs to the source DC wires.
3. Connect the DC-input wires to the appropriate terminals using the specified torque (
Table 4: Switch
Specifications (Power Draw) ) in the following order.
Note: Remove terminal covers as needed.
a. Ground wire to the Protective Earth (PE ) terminal.
b. Negative source DC cable to the negative (- / -48V) terminal.
c. Positive (+) source DC cable to the positive (+ / Rtn) terminal.
4. Replace the terminal covers as required.
Figure 23: DC PSU Connection Example
4.4 Connecting Serial and Management Cables
The accessory kit includes the following cables:
• RJ-45 to DB-9 serial adapter cable.
• RJ-45 Ethernet cable.
Table 7: RJ-45 to DB-9 Connections lists the pin connections of the RJ-45 to DB-9 adapter cable.
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