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playground:mission-log-template1 [2015/07/07 11:56] – [Review: Managed Low-Power Switch DGS-1100-8] chrono | playground:mission-log-template1 [2015/07/07 12:20] – chrono | ||
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- | ====== Review: Managed Low-Power Switch DGS-1100-8 ====== | ||
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- | In a past Mission-Log, | ||
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- | Luckily this situation has changed and we could test and already deploy a new pair of managed but very low power and fanless (silent) switches: The [[http:// | ||
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- | ====== ====== | ||
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- | ===== Power Consumption Analysis ===== | ||
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- | For better comparison all measurement results have been put together. A couple of people have been a bit unhappy, that we've only documented power consumption on the DC side in the past review (which is all we care about for off-grid usage). As a result, this time we've documented DC and Wall-Power consumption (with the original D-Link AC/DC plug) | ||
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- | ==== Test-Setup ==== | ||
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- | ==== Results ==== | ||
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- | | || DGS-1008D G2 || DGS-1008D G3 || DGS-1100-8 Rev A1 ||| | ||
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- | | Clients |Mode| 5V DC Current | 5V DC Power | 5V DC Current | 5V DC Power | 5V DC Current | 5V DC Power| 230V AC Power | | ||
- | | 0 | Switch only | 66-93mA | 0.33-0.46W | 67-111mA | 0.33-0.55W | 105mA | 0.52W | 0.8W | | ||
- | | 1 | Client Stdby | 100-160mA | 0.5-0.8W | 109-124mA | 0.54-0.62W | 131mA | 0.65W | 1W | | ||
- | | 2 | Client Stdby | 141-194mA | 0.70-0.97W | 153-161mA | 0.76-0.80W | 154mA | 0.77W | 1.1W | | ||
- | | 2 | Client Idle | 160-200mA | 0.8-1W | 170mA | 0.85W | 212mA | 1.06W | 1.5W | | ||
- | | 3 | Client SCP | 250mA | 1.25W | 210-220mA | 1.07W | 238mA | 1.2W | 1.7W | | ||
- | | 4 | Client SCP | 250mA | 1.25W | 210-220mA | 1.07W | 264mA | 1.32W | 1.9W | | ||
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- | ===== Reliability & Performance ===== | ||
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- | The DGS-1100-8 test candidates have been up and running 24x7 for more than 365 days now without any glitch or the necessity to power cycle. | ||
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- | <WRAP round tip> | ||
- | When you make changes to the configuration in the web-interface, | ||
- | </ | ||
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- | ===== Conclusion ===== | ||
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- | Grid powered devices still have the luxury to be able to consume more power than absolutely necessary, since the limiting factor is money and not power itself. Off-Grid scenarios change that point of view on costs, as the value is no longer money, but the painfully finite element of power itself. | ||
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- | There are still a lot of devices out there with a standby-consumption of well above 10W, the DGS-1008D G3 connects 4 clients, actively transfers a lot of data and consumes about 1W. D-link obviously did a good job with this, although there is a little curiosity in StandBy: The G2 consumes a little less power in StandBy, when no clients are connected but the G3 saves considerably more power when active so overall the G3 is a very good evolutionary step in low-power consumption Gigabit-Ethernet technology. | ||
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- | The only drawback of these switches is their un-managed nature. Hopefully, in the future even managed switches can operate with this kind of power consumption profile. | ||
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- | Other manufacturers, | ||
{{tag> | {{tag> | ||
~~DISCUSSION~~ | ~~DISCUSSION~~ |