Procom USE2.OB - Manual (Page 3)

Data Sheet
USE2.OB
Interface Attachment for Local Battery Telephony
Function Description:
One LB line in 2-wire technology can be connected per USE2.OB interface (4-
wire technology only with double the number of interfaces).
The following functions are active for LB operation:
- Call recognition
- Call generation
- Voice recognition
- Codec + filter
The interaction of the individual functions is illustrated in the following block dia-
gram.
USE2.OB
OB
BUS
S
t
e
u
e
r
u
n
g
P
C
M
KS
+5V
GND
-5V
-48V
+0V
Ruferzeugung
A
D
On
Al
I/O
Ruferkennung
Sprach-
erkennung
+/-
Cocec + Filter
a
b
Frontplatten- LED
C
O
N
T
R
O
L
Call Recognition
Call Generation
Codec and Filter
Voice
Recognition
Front Plate LED
Block diagram USE2.OB
Date: 23.03.2009 Page: 3/6 Author: HS Document-No.: DB_USE2.OB_2730_1
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