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