ARMTEL DWEx - APPENDIX B (Reference) Connection Dwex

DWEX DIGITAL LOUD-SPEAKING EXPLOSION PROOF CALL STATION
User Manual
page 36/40 armtel.com
© Armtel info@armtel.com
APPENDIX B (REFERENCE)
CONNECTION DWEX
The assignment of the terminal block DWEx is given in Table B.1.
Table B.1 – The assignment of the terminal block of DWEx
Pin No Circuit Identification
1
25W_ ОUT_1
Output of 100V line for auxiliary amplifier 25 W
2
25W_ ОUT_2
3
+POW_25W
Input of power supply for auxiliary amplifier 25 W circuit 0 V
4
–POW_25W
Input of power supply for auxiliary amplifier 25 W circuit -48 V
5
+Uа
Interface Uk
0
, digital communication line with the central exchange,
can also be used for PoU “phantom” power supply circuit
6
–Uв
7
+U_FANTOM
Output +48 V of PoU “phantom” power supply circuit
8
–U_FANTOM
Output -48 V of PoU “phantom” power supply circuit
9
+U_POWER Power supply input for the main board, circuit 0 V
10
–U_POWER Power supply input for the main board, circuit -48 V
11
ОR1
Relay executive contacts
12
ОR2