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Comparison TP-LINK TL-SG1005LP vs TP-LINK TL-SG1005P

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TP-LINK TL-SG1005LP
TP-LINK TL-SG1005P
TP-LINK TL-SG1005LPTP-LINK TL-SG1005P
from $86.28 
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Typeunmanagedunmanaged
Mountdesktopdesktop
Bandwidth10 Gbps10 Gbps
MAC address table size2K2K
Ports
Fast Ethernet5
Gigabit Ethernet55
PoE
PoE (output)802.3af/at802.3af
PoE outputs44
PoE output power30 W15 W
Total PoE power40 W56 W
General
PSUexternalexternal
Supply voltage54 В48 В
Power consumption
4.1 W /without PoE/
Operating temperature0 °C ~ +40 °C0 °C ~ +40 °C
Dimensions (WxDxH)100x98x25 mm100х98х25 mm
Added to E-Catalogoctober 2020may 2018

Fast Ethernet

The number of standard RJ-45 network connectors in the Fast Ethernet format provided in the design of the switch.

Fast Ethernet is the most modest of the wired connection formats over a twisted-pair network cable nowadays — it provides data transfer rates up to 100 Mbps. However, even this speed is often enough for relatively simple tasks that are not associated with large amounts of data. Therefore, this interface is still widely used in modern switches.

As for the number of connectors, it corresponds to the number of network devices that can be connected to the "switch" directly, without the use of additional equipment. In the case of Fast Ethernet, the number of connectors up to 10 inclusive is considered relatively small, from 10 to 25 — average, and the presence of more than 25 ports of this type is typical for professional-level models.

PoE (output)

The switch supports the Power over Ethernet function.

This feature allows the switch to supply power to network devices over the same Ethernet cable that transmits data. This reduces the number of wires and simplifies power supply, which is especially convenient if the device is installed in a hard-to-reach place where there is no outlet nearby, and it is difficult to pull an additional cable. An example is an IP surveillance camera installed under the ceiling.

The number of PoE outputs may vary. It should also be borne in mind that when several consumers are connected at the same time, specific power restrictions apply; see "Total PoE Power" for details.

Accordingly, such devices are much more expensive than switches without PoE.

PoE output power

The PoE power (see above) provided by the switch to each individual PoE output. This indicator allows you to evaluate whether a particular device can be connected to such an output — the power consumption of the load in peak mode should not exceed the output power of the port. There are three standards EEE 802.3af ( PoE, ~15W), IEEE 802.3at ( PoE+, ~30W) and IEEE 802.3bt ( PoE++, ≥40W)

Note that when connecting several PoE devices at the same time, the total PoE power must also be taken into account — see below for more details.

Total PoE power

The total output power provided by the switch when powering devices using the PoE standard (see above).

This indicator usually corresponds to the sum of the powers of all outputs — that is, the power of one PoE port, multiplied by their total number. However, the power limits for one output and for the entire switch are somewhat different: if a load with a power equal to the output power of the power supply on this connector can be connected to a single connector, then the total power consumption of all devices connected via PoE should ideally not exceed 75% of the total power supply — this gives an additional guarantee in case of malfunctions. In fact, this means that all PoE outputs cannot be used “to the fullest” at the same time. For example, if there are two such outputs, and one is loaded at 100%, then the second can be loaded with a maximum of 50% — the total power consumption in this case will be the same 75% of the total output. Therefore, a large total power is needed when using the device to the maximum.

Supply voltage

The amount of voltage required by the switch for uninterrupted operation. The power supply voltage of network equipment can vary from 5 V to 230 V, which allows you to power compatible devices from either a low-voltage USB socket on your computer or a standard household outlet. Values in the middle assume that the switch is powered by the appropriate power supply.

Power consumption

Power consumed by network equipment during operation. Knowing the indicator of energy consumption, you can, for example, calculate the battery life of equipment from an uninterruptible power supply or choose a suitable “uninterruptible power supply”.
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