Procom 4 DAV User Manual
Data Sheet
4 DAV
Line card for 4 digital stations in 2 wire technique
The audio frequency (AF) interface module is designed for the switching on of 4 call
stations in two-wire technology.
At a Glance:
• Digital robust transmission in two-wire technology
• Switching-on of up to four call stations
• Call station monitoring from the control unit
• Monitoring of call station voltage
• AF monitoring function (option)
• Establishing long-distance lines
• Sending/receiving level can be regulated
Fig. 4DAV (L- No. 2.302)
Date:
21.04.2010
Page:
1/5
© 2008 ProCom, All rights and technical changes reserved
Author:
NB
Document-No.:
DB_4DAV_ 2302_02
Data Sheet
4 DAV
Line card for 4 digital stations in 2 wire technique
Functional description:
The principle functions of the 4DAV:
4DAV
Set 1
LED
C
a
l
l
2
S
t
a
t
i
o
n
Indication
M
O
D
E
M
C
O
D
E
C
PTC
-48V
C
+5V
GND
-5V
KS
O
N
T
R
Set 4
LED
C
a
l
l
2
S
t
a
t
i
o
n
Indication
M
O
D
E
M
C
O
D
E
C
PTC
-48V
O
L
BUS
-48V
+0V
Block diagram 4DAV
The 4DAV has four independent sets. One call station with one pair of wires can be
connected to each set.
Date:
21.04.2010
Page:
2/5
© 2008 ProCom, All rights and technical changes reserved
Author:
NB
Document-No.:
DB_4DAV_ 2302_02
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