3
1.3 Description of components and connectors.
Fig. 2. The enclosure view.
Table 1. (See Fig. 2)
Component No.
(Fig. 2)
Description
[1]
Switch PoE SF108
[2]
Switch mode buffer power supply unit PSB-1552455
[3]
DC/DC52230 Step up DC/DC converter
[4]
Output filter
[5]
Tamper
– micro switch (terminals) of tamper protection (NC)
[6]
Battery space for two (2 x 17 Ah/12 V - connect the batteries in series)
[7]
Power supply connector of the PSU
– L, N
Protective connector
(electric shock)
[8]
BAT +, BAT - battery BAT red, - BAT black
Fig. 3. The view of the switch.
