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Can I use a power supply with more output amperage than the router needs?

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0

For some reason when I connect a 5m Ethernet cable to my router it works.

When I connect a 10m Ethernet cable it doesn’t work.

• 
  Router AC Input: 12V, 2A


• 
  Charger AC Intput: 12V, 2A

Can I replace my old power supply with another power supply that has more amperage to power my Wi-Fi router?

power-over-ethernet

share|improve this question

edited 2 hours ago

JakeGould

32.9k10100142

asked 7 hours ago

SoufiyanSoufiyan

1

New contributor

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• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  You're referring to a power supply, not a charger.
  
  – Twisty Impersonator
  6 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Changing the power supply won't fix a broken Ethernet cable ... PoE works at distances up to 100m.
  
  – DavidPostill♦
  6 hours ago
  
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @davidpostill I doubt ANY PoE switches run at only 2A.
  
  – Sickest
  5 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @Sickest Yeah, but increasing the amps in the router power supply will probably not solve the problem.
  
  – DavidPostill♦
  5 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  In my experience when power supplies go bad, weird crap happens. I think he doesn't have the time to order a power supply that's the exact same Amps. He has a PSU that is more amps than needed and trying to see if it's going to break his current router.
  
  – Sickest
  5 hours ago
  

  
  
  
  

 | 
show 2 more comments

0

For some reason when I connect a 5m Ethernet cable to my router it works.

When I connect a 10m Ethernet cable it doesn’t work.

• 
  Router AC Input: 12V, 2A


• 
  Charger AC Intput: 12V, 2A

Can I replace my old power supply with another power supply that has more amperage to power my Wi-Fi router?

power-over-ethernet

share|improve this question

edited 2 hours ago

JakeGould

32.9k10100142

asked 7 hours ago

SoufiyanSoufiyan

1

New contributor

Soufiyan is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  You're referring to a power supply, not a charger.
  
  – Twisty Impersonator
  6 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Changing the power supply won't fix a broken Ethernet cable ... PoE works at distances up to 100m.
  
  – DavidPostill♦
  6 hours ago
  
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @davidpostill I doubt ANY PoE switches run at only 2A.
  
  – Sickest
  5 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @Sickest Yeah, but increasing the amps in the router power supply will probably not solve the problem.
  
  – DavidPostill♦
  5 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  In my experience when power supplies go bad, weird crap happens. I think he doesn't have the time to order a power supply that's the exact same Amps. He has a PSU that is more amps than needed and trying to see if it's going to break his current router.
  
  – Sickest
  5 hours ago
  

  
  
  
  

 | 
show 2 more comments

For some reason when I connect a 5m Ethernet cable to my router it works.

When I connect a 10m Ethernet cable it doesn’t work.

• 
  Router AC Input: 12V, 2A


• 
  Charger AC Intput: 12V, 2A

Can I replace my old power supply with another power supply that has more amperage to power my Wi-Fi router?

power-over-ethernet

share|improve this question

edited 2 hours ago

JakeGould

32.9k10100142

asked 7 hours ago

SoufiyanSoufiyan

1

New contributor

Soufiyan is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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share|improve this question

edited 2 hours ago

JakeGould

32.9k10100142

asked 7 hours ago

SoufiyanSoufiyan

1

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share|improve this question

edited 2 hours ago

JakeGould

32.9k10100142

asked 7 hours ago

SoufiyanSoufiyan

1

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edited 2 hours ago

JakeGould

32.9k10100142

edited 2 hours ago

JakeGould

32.9k10100142

asked 7 hours ago

SoufiyanSoufiyan

1

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asked 7 hours ago

SoufiyanSoufiyan

1

4 Answers
4

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oldest

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2

The amperage rating on your power supply simply means that the supply can put out up to 2 amps, so as long as the voltage matches (12 volts) you could safely use a higher amp power supply for your device.

It never hurts to have a supply that can output more amps than you need, so getting a larger supply could very well be what you need to fix your problem - especially when considering the behavior you described.

share|improve this answer

edited 2 hours ago

JakeGould

32.9k10100142

answered 5 hours ago

Cyber_AgentCyber_Agent

214

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Cyber_Agent is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thank you for that note - I was just trying to exaggerate the example to highlight the point, and am obviously not suggesting that anyone should buy a 20 amp power supply - especially not in this situation. I'll update the answer.
  
  – Cyber_Agent
  2 hours ago
  

  
  
  
  

add a comment | 

2

I very highly doubt the issue is the power supply. Networking requires very little power and even a cheap, off-brand router is capable of sending a signal 100 meters over copper Ethernet.

More than likely, your 10 meter Ethernet cable is defective.

Additionally, replacing your power supply with one with more amperage is extremely unlikely to make a change. The amount of power needed to send and receive Ethernet signals is extremely low. This is not a problem due to the need for "more amperage."

share|improve this answer

edited 2 hours ago

JakeGould

32.9k10100142

answered 4 hours ago

KeltariKeltari

51.8k18119171

add a comment | 

1

Yes, sure. If the connector is the same and the voltage is 12V. The ampere value of the new power adapter should be 2A or greater.

share|improve this answer

edited 6 hours ago

answered 7 hours ago

FreddyFreddy

1664

add a comment | 

0

Most likely the power supply isn't the problem.
If you are using PoE be sure to be using Cat6 or higher cables and preferably solid core ones.

The fact that it works with 5m cable and not with higher means there are losses with the cable you are using.

Even if you would get a higher amperage power supply, it will supply whatever it's requested from the connected device. Just be sure to keep the same voltage.

share|improve this answer

answered 1 hour ago

RalmsRalms

1

New contributor

Ralms is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

add a comment | 

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2

The amperage rating on your power supply simply means that the supply can put out up to 2 amps, so as long as the voltage matches (12 volts) you could safely use a higher amp power supply for your device.

It never hurts to have a supply that can output more amps than you need, so getting a larger supply could very well be what you need to fix your problem - especially when considering the behavior you described.

share|improve this answer

edited 2 hours ago

JakeGould

32.9k10100142

answered 5 hours ago

Cyber_AgentCyber_Agent

214

New contributor

Cyber_Agent is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thank you for that note - I was just trying to exaggerate the example to highlight the point, and am obviously not suggesting that anyone should buy a 20 amp power supply - especially not in this situation. I'll update the answer.
  
  – Cyber_Agent
  2 hours ago
  

  
  
  
  

add a comment | 

2

The amperage rating on your power supply simply means that the supply can put out up to 2 amps, so as long as the voltage matches (12 volts) you could safely use a higher amp power supply for your device.

It never hurts to have a supply that can output more amps than you need, so getting a larger supply could very well be what you need to fix your problem - especially when considering the behavior you described.

share|improve this answer

edited 2 hours ago

JakeGould

32.9k10100142

answered 5 hours ago

Cyber_AgentCyber_Agent

214

New contributor

Cyber_Agent is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thank you for that note - I was just trying to exaggerate the example to highlight the point, and am obviously not suggesting that anyone should buy a 20 amp power supply - especially not in this situation. I'll update the answer.
  
  – Cyber_Agent
  2 hours ago
  

  
  
  
  

add a comment | 

The amperage rating on your power supply simply means that the supply can put out up to 2 amps, so as long as the voltage matches (12 volts) you could safely use a higher amp power supply for your device.

It never hurts to have a supply that can output more amps than you need, so getting a larger supply could very well be what you need to fix your problem - especially when considering the behavior you described.

share|improve this answer

edited 2 hours ago

JakeGould

32.9k10100142

answered 5 hours ago

Cyber_AgentCyber_Agent

214

New contributor

Cyber_Agent is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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share|improve this answer

edited 2 hours ago

JakeGould

32.9k10100142

answered 5 hours ago

Cyber_AgentCyber_Agent

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edited 2 hours ago

JakeGould

32.9k10100142

edited 2 hours ago

JakeGould

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answered 5 hours ago

Cyber_AgentCyber_Agent

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answered 5 hours ago

Cyber_AgentCyber_Agent

214

2

I very highly doubt the issue is the power supply. Networking requires very little power and even a cheap, off-brand router is capable of sending a signal 100 meters over copper Ethernet.

More than likely, your 10 meter Ethernet cable is defective.

Additionally, replacing your power supply with one with more amperage is extremely unlikely to make a change. The amount of power needed to send and receive Ethernet signals is extremely low. This is not a problem due to the need for "more amperage."

share|improve this answer

edited 2 hours ago

JakeGould

32.9k10100142

answered 4 hours ago

KeltariKeltari

51.8k18119171

add a comment | 

2

I very highly doubt the issue is the power supply. Networking requires very little power and even a cheap, off-brand router is capable of sending a signal 100 meters over copper Ethernet.

More than likely, your 10 meter Ethernet cable is defective.

Additionally, replacing your power supply with one with more amperage is extremely unlikely to make a change. The amount of power needed to send and receive Ethernet signals is extremely low. This is not a problem due to the need for "more amperage."

share|improve this answer

edited 2 hours ago

JakeGould

32.9k10100142

answered 4 hours ago

KeltariKeltari

51.8k18119171

add a comment | 

I very highly doubt the issue is the power supply. Networking requires very little power and even a cheap, off-brand router is capable of sending a signal 100 meters over copper Ethernet.

More than likely, your 10 meter Ethernet cable is defective.

Additionally, replacing your power supply with one with more amperage is extremely unlikely to make a change. The amount of power needed to send and receive Ethernet signals is extremely low. This is not a problem due to the need for "more amperage."

share|improve this answer

edited 2 hours ago

JakeGould

32.9k10100142

answered 4 hours ago

KeltariKeltari

51.8k18119171

share|improve this answer

edited 2 hours ago

JakeGould

32.9k10100142

answered 4 hours ago

KeltariKeltari

51.8k18119171

edited 2 hours ago

JakeGould

32.9k10100142

edited 2 hours ago

JakeGould

32.9k10100142

answered 4 hours ago

KeltariKeltari

51.8k18119171

answered 4 hours ago

KeltariKeltari

51.8k18119171

1

Yes, sure. If the connector is the same and the voltage is 12V. The ampere value of the new power adapter should be 2A or greater.

share|improve this answer

edited 6 hours ago

answered 7 hours ago

FreddyFreddy

1664

add a comment | 

1

Yes, sure. If the connector is the same and the voltage is 12V. The ampere value of the new power adapter should be 2A or greater.

share|improve this answer

edited 6 hours ago

answered 7 hours ago

FreddyFreddy

1664

add a comment | 

Yes, sure. If the connector is the same and the voltage is 12V. The ampere value of the new power adapter should be 2A or greater.

share|improve this answer

edited 6 hours ago

answered 7 hours ago

FreddyFreddy

1664

share|improve this answer

edited 6 hours ago

answered 7 hours ago

FreddyFreddy

1664

answered 7 hours ago

FreddyFreddy

1664

answered 7 hours ago

FreddyFreddy

1664

0

Most likely the power supply isn't the problem.
If you are using PoE be sure to be using Cat6 or higher cables and preferably solid core ones.

The fact that it works with 5m cable and not with higher means there are losses with the cable you are using.

Even if you would get a higher amperage power supply, it will supply whatever it's requested from the connected device. Just be sure to keep the same voltage.

share|improve this answer

answered 1 hour ago

RalmsRalms

1

New contributor

Ralms is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

add a comment | 

0

Most likely the power supply isn't the problem.
If you are using PoE be sure to be using Cat6 or higher cables and preferably solid core ones.

The fact that it works with 5m cable and not with higher means there are losses with the cable you are using.

Even if you would get a higher amperage power supply, it will supply whatever it's requested from the connected device. Just be sure to keep the same voltage.

share|improve this answer

answered 1 hour ago

RalmsRalms

1

New contributor

Ralms is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

add a comment | 

Most likely the power supply isn't the problem.
If you are using PoE be sure to be using Cat6 or higher cables and preferably solid core ones.

The fact that it works with 5m cable and not with higher means there are losses with the cable you are using.

Even if you would get a higher amperage power supply, it will supply whatever it's requested from the connected device. Just be sure to keep the same voltage.

share|improve this answer

answered 1 hour ago

RalmsRalms

1

New contributor

Ralms is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share|improve this answer

answered 1 hour ago

RalmsRalms

1

New contributor

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answered 1 hour ago

RalmsRalms

1

New contributor

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answered 1 hour ago

RalmsRalms

1