
WAYSIDE INTERFACE APPLICATION
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5-5
SIG-00-07-11 SEPTEMBER 2012 (REVISED OCTOBER 2019)
Version No.: B.2
5.2.5 Typical Wayside Interface System Interconnect Diagram (Multiple VIUs)
Figure 5-3 Typical Wayside Interface System Interconnect Diagram (Multiple VIUs)
AUX VIU
ETHERNET
LAN
AUX VIU
SIGNAL
CONTROL
INPUTS
RELAY LOGIC
SIGNAL
CONTROL
INPUTS
RELAY
LOGIC
POINT
DETECTION
TERMINALS
SWITCH MACHINE
Main VIU
ITCM
INTERFAC
E
ITCM
INTERFACE
ETHERNET
HUB
ETHERNET LAN
ET
HE
RNE
T L
AN