PoE switch selection
System Manual
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3
PoE switch selection
For the selection of a PoE switch please observe the following points:
■
All ABB-Welcome IP devices meet standard IEEE802.3af
– ABB-Welcome IP devices can be operated with PoE switches that meet standard
802.3af or 802.3at. A power supply via 24 V is also possible as an alternative to the
PoE.
■
The minimum band width amounts to 100 Mbit/s.
Notice
During selection observe that the absolute total output on the PoE switch is
adequate for all devices to be connected.
■
Do not load the PoE switch to its limit.
■
Include a power buffer of at least 20% when calculating the total output.
Device
Power supply:
PoE switch
Power supply:
Local
Consumption
Recording of
power (W)
IP Touch 7
●
●
300 mA / 27 VDC
8.1
IP touch 5"
outdoor station
●
●
400 mA / 27 VDC
10.80
Guard unit
●
●
85 mA / 27 VDC
2.30
Smart Access
Point Lite
●
●
375 mA / 27 VDC
10.13
IP actuator
●
●
30 mA / 27 VDC
0.81
Table 4: Calculation of consumption
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Страница 190: ...Index System Manual 190 T Table installation 51 54 W Wall mounting 52 Wiring of a ABB Welcome IP system 11 ...