INSYS Modem 336/56k 4.1 (UL)
Description
4
Description
4.1
Front panel
The INSYS Modem 336/56k 4.1 (UL) has four LED’s to indicate the operating state.
Name
Color
LED off
LED on
Power
Green
No supply voltage
Supply voltage available
OH
(Off Hook)
Yellow
Modem is offline
Modem is hooked to the phone line
(online)
DCD
(Data Carrier Detect)
Yellow
No connection is estab-
lished
The connection to the remote terminal
is established (Carrier detected)
RX/TX
(Receive / Transmit)
Green
No data exchange
Date is exchanged via the modem
4.2
Top
Terminal
Meaning
1 GND
Ground
2 X1
Reserved
3
10 ... 60VDC Power supply 10V - 60V DC
4 GND
Ground
5 GND
Ground
6 Reset
Reset
input
7 GND
Ground
8 Input
1
Alarm
input
1
9 Input
2
Alarm
input
2
1
2
4
5
6
7
8
9
10
3
GND
GND
X1
GND
Reset
GND
Input 1
Input 2
GND
10...60 VDC
1
2
4
5
6
7
8
9
10
3
Pow
e
r
s
uppl
y
IN
1
IN
Ex
t.
Re
se
t
2
10 GND
Ground
July 06
9