Emergency Command Center Manual —
P/N LS10001-000FL-E:D 9/3/2014
45
ECC-RPU Remote Page Unit
Installation
+
-
B
A
B
A
B
A
B
A
+
-
+
-
+
-
+
-
+
-
main control board
RPU board
TB24
TB12
TB22
TB1
TB3
TB2
external operator interface power - 24VDC
external
data bus
external
audio
riser
rp
uw
ire
a.
w
m
f
Figure 2.25 Remote Page Unit Wiring (Class A/Style Z)
JS4
(shown jumpered
on pins 2 and 3)