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2.4.4
Electrical specifications for V24/28-type modems
Building Technologies
Fire Safety & Security Products
Connection:
Transmission Mode:
Transmissioin Rate:
Characteristics:
end-interface
V24
V28
CGE
CGE = CERBERUS-Geräte Endschnittstelle (end-interface)
CGF = CERBERUS Geräte Frontschnittstelle (front-interface)
point-to-point, 4-wire telephone cable
bit serial, full duplex
300 ... 9600 Baud
dependent on max. line length and
equipment application
log0 = +3V ... +12V
log1 = −3V ... −12V
transmission line
max. distance = 1'000m
front-interface
V28
V24
CGF
7
e1062i
10.2008
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