Compact device 500FSD20
Device description
Power supply input (X1)
Operating voltage
-15%...+20%
Power consumption (typical)
2.4 W
Current demand (peak)
160 mA
Ordering information
500FSD11
R0001
1KGT019301R0001
4.3
Compact device 500FSD20
4.3.1
Overview 500FSD20
RxD DCD CTS
Modem
TxD RTS
SQL
EQZ
K1
K1
NF2a
NF2b
NF1a
NF1b
+
(M1)
(M2)
(M5)
(D2)
GND
(D1)
(S2)
AK1
MK1
RK1
(S1.2)
DSR
CTS
DCD
RxD
TxD
RTS
DTR
(E2)
Figure 11: Block diagramm 500FSD20
The 500FSD20 modem is a voice-frequency telegraphy unit (VFT unit) which operates
according to the principle of binary frequency shift keying. The modem can operate in two-
and four-wire connection. The mode of operation is set by a command line interface (CLI).
4.3.2
Front view and connectors 500FSD20
Figure 12: Front view of the FSK
modem 500FSD20
Figure 13:
Connector plan of
the FSK modem
500FSD20
20
1KGT151042
V000 1