WS-C4507R-E, Cisco Catalyst 4500 Switch, 7-slot chassis/fan/no PSU

Can I connect different power cables on the two power supplies in a chassis? For instance, power supply 1 would have 2 L6-20, and power supply 2 would have 2 C-19. Is this a supported configuration?

Mixing power cords on a multiple input supply is acceptable.

I am upgrading my power supply from 1400W AC, which is using 13 Amp input current, to 6000W AC. Can I keep using the existing 12 Amp input current on new 6000W AC power supply?

The 6000W and 9000W models would operate at 12 Amp with low-line input (120 VAC nominal) - 85 VAC (min) to 132 VAC (max) - but require a 16A input at high-line input (230 VAC nominal) - 170 VAC (min) to 264 VAC (max).

 Is it possible to use mixed AC and DC power supplies in the same chassis?

AC and DC would need different power supplies; hence this configuration mix is not supported.

What happens if a device tries to draw more power than the power budget of the port?

Cisco IOS® Software shuts down power to that port.

With a Power over Ethernet (PoE) power supply of 4200W, if I am not using any PoE devices, can I use the available PoE power as data power?

No, the 4200W power supply is the PoE power supply. That means it has a fixed share of PoE and data power. With a single 220V input in a single 4200W power supply, it support a maximum of 1360W for data power that will be used to power up the line cards and chassis. The inline power (PoE) will also be available whether you use it or not. But PoE power cannot be converted to data power because different rails are used for data and PoE in a power supply.

 In combined mode, how much power output do we get from each power supply?

In combined mode, each power supply operates at 83 percent. If one fails, then the running supply provides 100 percent of its power capacity.

 In redundant mode, is only one power supply used, or do both power supplies share the load?

In redundant mode, each power supply operates at 50 percent capacity and provides the same total power as a single power supply. If one fails, the backup reverts to providing 100 percent power.

What do you mean by cold start and hot start of a power supply?

Cold start is when power supply has been off for more than 1 hour, and hot start is when the power supply has been on for more than 1 hour.

 In the Cisco Power Calculator tool calculation for my configuration, I see the “Total Output Current for this PSU” value is 70.6A, which is very high, and the electrical technician tells me that it cannot be supported at the input socket.

The current values in these reports reflect the 12V output bus. Input current values are much lower (under 20A). That is what your electrician will need.

 In the Cisco Power Calculator tool, what is difference between output power and typical power used?

Output power and heat dissipation numbers computed by the Cisco Power Calculator are maximum values for facility power and cooling capacity planning. Typical power draw is about 20 percent lower than the maximum value shown.

What are the key features of the WS-C4507R-E?

The WS-C4507R-E features a 7-slot chassis, embedded fan, and is capable of supporting redundant supervisors for high availability.

Is the WS-C4507R-E a cost-effective option for large networks?

Yes, the WS-C4507R-E offers a scalable and modular design, providing a cost-effective solution for large enterprise networks.

What application scenarios are ideal for the WS-C4507R-E?

The WS-C4507R-E is ideal for core and distribution layers in enterprise networks and campus environments.

Does the WS-C4507R-E require a power supply unit?

Yes, the WS-C4507R-E chassis does not include a power supply and requires a separate PS purchase.

Is it possible to upgrade the WS-C4507R-E in the future?

Yes, the modular design of the WS-C4507R-E allows for easy upgrades, such as adding redundant supervisors or expanding port capacity.

Are there alternative products to the WS-C4507R-E?

Alternatives include other models within the Cisco Catalyst 4500 series or Cisco Catalyst 6500 series for more advanced needs.

How can I troubleshoot common issues with the WS-C4507R-E?

Refer to the Cisco Catalyst 4500 series troubleshooting guide, which covers common issues like connectivity problems and supervisor failures.

What accessories are available for the WS-C4507R-E?

Accessories for the WS-C4507R-E include power supply units, additional fan trays, supervisor engines, and various line cards.

How does the WS-C4507R-E compare to similar products?

The WS-C4507R-E offers robust scalability and redundancy at a competitive price compared to similar chassis in the Cisco Catalyst 4500 series.

What is the installation process for the WS-C4507R-E?

The installation involves mounting the chassis in a standard rack, connecting the power supply, and inserting the required supervisor and line cards.

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