4dav, Data sheet, Functional description – Procom 4 DAV User Manual
Page 2: Set 1, Set 4, 4 dav, The principle functions of the 4dav
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Data Sheet
4 DAV
Date:
21.04.2010 Page:
2/5 Author:
NB
Document-No.:
DB_4DAV_ 2302_02
© 2008 ProCom, All rights and technical changes reserved
Line card for 4 digital stations in 2 wire technique
Functional description:
The principle functions of the 4DAV:
KS
BUS
+5V
GND
-5V
-48V
+0V
4DAV
C
a
l
l
S
t
a
t
i
o
n
C
O
N
T
R
O
L
Set 1
C
O
D
E
C
M
O
D
E
M
PTC
-48V
LED
Indication
Set 4
C
O
D
E
C
M
O
D
E
M
PTC
-48V
LED
Indication
C
a
l
l
S
t
a
t
i
o
n
2
2
Block diagram 4DAV
The 4DAV has four independent sets. One call station with one pair of wires can be
connected to each set.
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