Fire-Lite ECC-50 - ECC-RM Remote Microphone

46 Emergency Command Center Manual — P/N LS10001-000FL-E:D 9/3/2014
Installation ECC-RM Remote Microphone
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.
+
-
+
-
+
-
+
-
B
A
A
B
+
-
+
-
A
B
main control board
RM board
TB24
TB12
TB22
TB3
data bus
TB2
audio out
TB1
power
external operator
interface power -
24VDC
external data bus
external
audio
riser
to next operator
interface or amplifier
r
m
w
i
r
e
b
.
w
m
f
Figure 2.26 Remote Microphone Wiring (Class B/Style Y)
JS4
(shown jumpered
on pins 2 and 3)
+
-
+
-
+
-
+
-
B
A
B
A
A
B
A
B
+
-
+
-
main control board
RM board
TB24
TB12
TB22
TB3
data bus
TB2
audio out
TB1
power
external operator
interface power -
24VDC
external
data
bus
external
audio
riser
r
m
w
i
r
e
a
.
w
m
f
Figure 2.27 Remote Microphone Wiring (Class A/Style Z)
JS4
(shown jumpered
on pins 2 and 3)