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Ecc-rpu Remote - Honeywell ECC-50/100 Instruction Manual

Emergency command center, multipurpose emergency voice evacuation panels.
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Installation
2.8 ECC-RPU Remote Page Unit
Connections are made from TB24, TB12, and TB22 on the ECC-50/100 main control board to
TB1, TB3, and TB2 on the RPU. If the ECC-RPU is the last device on the audio and data bus chain,
signal terminations are required. For the external data bus, a removable jumper must be on pins 1
and 2 of JS4. If the ECC-RPU is not the last device, the jumper must be on pins 2 and 3 of JS4 as
shown below. For the external audio riser, when the ECC-RPU is the last device, termination ELR-
15K must be connected to pins 4 and 5 on TB2. T-taps and multiple home runs to the main control
board are not allowed for the external data bus or the external data riser.
44
TB24
TB12
main control board
TB22
RPU board
TB1
JS4
TB3
(shown jumpered
on pins 2 and 3)
TB2
Figure 2.24 Remote Page Unit Wiring (Class B/Style Y)
Emergency Command Center Manual — P/N LS10001-000FL-E:G 5/3/2016
external operator interface power - 24VDC
+
-
external
data bus
B
A
external
audio
+
riser
-
+
-
+
to next operator
-
interface or amplifier
B
A
to next operator
B
A
interface or amplifier
+
-
+
to next operator
-
interface or amplifier
ECC-RPU Remote Page Unit

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