x610 Series Layer 3 Gigabit Ethernet Switches Installation Guide
Power Wiring to a DC AT-PWR250 Power Supply Module
To power on a switch with a DC
Warning
As a safety precaution, install a circuit breaker with a minimum value of 15 Amps between the equipment and the DC power source.
E9
Warning
Always connect the wires to the LAN equipment first before you connect the wires to the circuit breaker. Do not work with HOT feeds to avoid the danger of physical injury from electrical shock. Always be sure that the circuit breaker is in the OFF position before connecting the wires to the breaker. E9
Warning
For centralized DC power connection, install only in a restricted access area. E23
Note
A tray cable is required to connect the power source if the unit is powered by centralized DC power. The tray cable must be a UL listed Type TC tray cable and rated at 600 V and 90 degrees C, with three conductors, minimum 14 AWG. E24
1.Power off the DC circuit to be used for the chassis.
2.Verify that the On/Off switch on the DC
3.Use the legend above the terminal block to identify the terminals. The terminals are positive, power supply ground and negative, from left to right, as shown in Figure 71 on page 104.
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