User’s Manual
SF
E-SW5G series
6
Model
Input Voltage
(REAR)
Input Voltage
(Port 5)
Output voltage
SFE-SW5G25A4
SFE-SW5G25B4
SFE-SW5G25D4
12-36VDC
No input
56VDC
(regulated)
No input
44-57VDC
44-57VDC
(non-regulated)
12-36VDC
44-57VDC
56VDC
(regulated)
For PoE operation, total output is 35W (802.3at) x 2 or 17W (802.3af) x 4. Please note that the full
load output only be achieved using 24VDC (or above) input voltage. If your input is 12VDC, then
the total load should be de-rated.
Ports 1~4 will deliver DC power over the Ethernet cable as detailed below:
Mode A: SF
E-SW5G25A4
* Data pair A plus V+ on line 1 and 2
* Data pair B plus V- on line 3 and 6
* Data pair C on line 4 and 5
* Data pair D on line 7 and 8
Mode B: SF
E-SW5G25B4
* Data pair A on line 1 and 2
* Data pair B on line 3 and 6
* Data pair C plus V+ on line 4 and 5
* Data pair D plus V- on line 7 and 8
Mode D (dual,=A+B): SF
-SW5G25D4
* Data pair A plus V+ on line 1 and 2
* Data pair B plus V- on line 3 and 6
* Data pair C plus V+ on line 4 and 5
* Data pair D plus V- on line 7 and 8
Port 5 (UPLINK) may receive DC power over the Ethernet cable, as detailed below:
* Data pair A plus V+ /V- on line 1 and 2
* Data pair B plus V-/V+ on line 3 and 6
* Data pair C plus V+/V- on line 4 and 5
* Data pair D plus V-/V+ on line 7 and 8
