Fire Safety & Security Products
Building Technologies
e1062i
8
10.2008
2.4.5
Connecting FSK/PSK-type modems
Connection:
point-to
−
point, 2-wire telephone cable
Transmission Mode:
bit serial, full duplex
Transmissioin Rate:
300 ... 2400 Baud
dependent on max. line length and
equipment application
Line impedance:
600
Ω
Output power:
−
6 dBm (K1D020/K1D040/K1D090)
−
9 dBm (K1D021/K1D140)
FSK Modems using Bell 103
(K1D020/K1D040/K1D090)
end interface CGE
front interface CGF
1270 Hz
Mark
Mark
2225 Hz
1070 Hz
Space
Space
2025 Hz
FSK Modems using V.21
(K1D021/K1D140)
end interface CGE
front interface CGF
980 Hz
Mark
Mark
1650 Hz
1180 Hz
Space
Space
1850 Hz
PSK Modems
end interface CGE
front interface CGF
1200 Hz
Mark
Mark
2400 Hz
1200 Hz
Space
Space
2400 Hz
QAM Modems
end interface CGE
front interface CGF
1200 Hz
Mark
Mark
2400 Hz
1200 Hz
Space
Space
2400 Hz
Note: the application specific baud rates must be selected on the modem
boards themselves
end interface
V24
FSK
PSK
QAM
V24
front interface
transmission link
CGE = CERBERUS-Geräte Endschnittstelle
(Originate mode)
CGF = CERBERUS Geräte Frontschnittstelle
(Answer mode)
max. distance = 10’000m
CGF
CGE
FSK
PSK
QAM