ARMTEL DWEx - Page 40

DWEX DIGITAL LOUD-SPEAKING EXPLOSION PROOF CALL STATION
User Manual
page 38/40 armtel.com
© Armtel info@armtel.com
Connection of the external power supply line U_POWER to the terminal block is
executed according to Figure B.3 with the polarity observed.
DWEx
+Ua
-Ub
+ U_POWER
5
6
7
8
- U_POWER
Central
exchange
( DCN, IPN )
9
10
+ U_FANTOM
- U_FANTOM
Terminal block
Pin No
Figure B.3 – Connection of the external power supply line 48 V
to the terminal block of DWEx
For connection should be used cables from 24 to 12 AWG.