TD 92579EN
15 February 2012 / Ver. H
Installation and Operation Manual
IP-DECT Base Station & IP-DECT Gateway (software version 5.0.x)
41
6.3.2
48 VDC
The 48 VDC (42 – 56 VDC) power input includes a fuse on the 48 VDC input to protect
against overload. The IPBL also has a protection circuit to protect both the IPBL and the
external power supply from damages caused by the user reversing the input terminals
during installation.
Figure 20. Pinning of the 48 VDC power supply
Note:
A ground cable must be fastened to the protective earth (3) when 48 VDC is used
as power source.
1
Fasten the ground cable to the protective earth (3) using the attached M4 screw
(Philips) and washer.
2
Cut the power cable to the correct length.
The recommended wire size diameter is 1 mm (18 AWG).
3
Attach the positive lead to (1).
4
Attach the negative lead to (2).
5
Connect the power cable to 48 VDC power source.
Figure 16.
1
2
3
034