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Ecc-rm Remote Microphone - Honeywell ECC-50/100 Instruction Manual

Emergency command center, multipurpose emergency voice evacuation panels.
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Installation

2.9 ECC-RM Remote Microphone

Connections are made from TB24, TB12, and TB22 on the ECC-50/100 main control board to
TB3, TB2, and TB1 on the RM. If the ECC-RM 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-RM is not the last device, the jumper must be on pins 2 and 3 of JS4. For
the external audio riser, For the external audio riser, when the ECC-RM is the last device, termina-
tion ELR-15K must be on 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.
main control board
main control board
46
external operator
interface power -
+
24VDC
TB24
-
B
TB12
A
external
audio
riser
+
TB22
-
external data bus
Figure 2.26 Remote Microphone Wiring (Class B/Style Y)
+
TB24
-
external
data
bus
B
A
TB12
B
A
+
-
TB22
+
-
external
audio
riser
Figure 2.27 Remote Microphone Wiring (Class A/Style Z)
Emergency Command Center Manual — P/N LS10001-000FL-E:G 5/3/2016
ECC-RM Remote Microphone
to next operator
interface or amplifier
TB1
power
TB2
audio out
A
B
TB3
data bus
A
B
(shown jumpered
on pins 2 and 3)
external operator
interface power -
TB1
24VDC
power
TB2
audio out
A
B
TB3
data bus
A
B
(shown jumpered
on pins 2 and 3)
RM board
JS4
RM board
JS4

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