Operating instructions

TD 92579GB

2009-04-15/ Ver. B

Installation and Operation Manual

IP-DECT Base Station & IP-DECT Gateway (software version 3.0.x)

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 26 .

Figure 18. 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.

The IPBL is switched on.

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