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Perimeter layout guidelines
Page 20 FlexPS Product Guide
Power over Ethernet
Silver Network based processors using Ethernet communications have the option of using Power
over Ethernet technology to power the FlexPS processor. To use this powering option requires a
PoE standard class 3 switch that is located a maximum of 100 m (328 ft.) from the processor, and
Category 5 network cable. Power over Ethernet is supplied to the processor’s Network Interface
card (NIC) and the power output on the NIC is connected to the power input on the processor.
zone length processor
separation wire gauge power supply
output voltage number of
processors power supply
connected to
processor #
300 m (984 ft.) 600 m (1968 ft.) 18 AWG
(1.02 - 1.27 mm)
24 VDC 5 3
48 VDC 9 5
250 m (820 ft.) 500 m (1640 ft.) 18 AWG
(1.02 - 1.27 mm)
24 VDC 5 3
48 VDC 11 6
200 m (656 ft.) 400 m (1312 ft.) 18 AWG
(1.02 - 1.27 mm)
24 VDC 5 3
48 VDC 11 6
150 m (492 ft.) 300 m (984 ft.) 18 AWG
(1.02 - 1.27 mm)
24 VDC 7 4
48 VDC 13 7
100 m (328 ft.) 200 m (656 ft.) 18 AWG
(1.02 - 1.27 mm)
24 VDC 7 4
48 VDC 17 9
50 m (164 ft.) 100 m (328 ft.) 18 AWG
(1.02 - 1.27 mm)
24 VDC 11 6
48 VDC 25 13
Table 1 Power supply/power cable loads (18 AWG power cable)
zone length processor
separation wire gauge power supply
output voltage number of
processors power supply
connected to
processor #
300 m (984 ft.) 600 m (1968 ft.) 16 AWG
(1.29 - 1.53 mm)
24 VDC 5 3
48 VDC 13 7
250 m (820 ft.) 500 m (1640 ft.) 16 AWG
(1.29 - 1.53 mm)
24 VDC 7 4
48 VDC 13 7
200 m (656 ft.) 400 m (1312 ft.) 16 AWG
(1.29 - 1.53 mm)
24 VDC 7 4
48 VDC 15 8
150 m (492 ft.) 300 m (984 ft.) 16 AWG
(1.29 - 1.53 mm)
24 VDC 9 5
48 VDC 15 8
100 m (328 ft.) 200 m (656 ft.) 16 AWG
(1.29 - 1.53 mm)
24 VDC 11 6
48 VDC 21 11
50 m (164 ft.) 100 m (328 ft.) 16 AWG
(1.29 - 1.53 mm)
24 VDC 15 8
48 VDC 31 16
Table 2 Power supply/power cable loads (16 AWG power cable)
CAUTION The PoE NIC is intended to supply power only to the processor on
which it is mounted. Do not attempt to power an auxiliary device with
the PoE NIC.
Note Senstar strongly recommends the use of a fully managed PoE switch to
connect and power IP based FlexPS processors.