
WAYSIDE INTERFACE APPLICATION
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5-4
SIG-00-07-11 SEPTEMBER 2012 (REVISED OCTOBER 2019)
Version No.: B.2
5.2.4 Typical Wayside Interface System Interconnect Diagram (Single VIU)
Figure 5-2 Typical Wayside Interface System Interconnect Diagram (Single VIU)
Eth
er
net
Eth
er
net
Po
rt 2
Po
rt 1
G
PS Po
rt
GP
S
A
nt
en
na
Ser
ial
(P
ort 2
)
O
nly
ESSR
N B
POINT
DETECTION
TERMINAL
SWITCH
VIU
ITCM
INTERFACE
SIGNAL
CONTROL
INPUTS
RELAY
LOGIC