Siemens DAC-NET Installation Instructions Manual page 11

Figure 11
Remote Control Panel with RNI
a
b
FMT
-
+
1 6
12
7 TB3
TB1
PSC-12
b
a
b
a
SUPERVISED
CLASS B
22 AWG MIN.
12 AWG MAX.
15 Ωs MAX. PER PAIR
USE TWISTED PAIR
Figure 12
Remote Control Panel – Detail A
A24205-A334-B839 (Edition 14)
P/N 315-035100-14
RNI is needed for EMC Protection if LVM, and FMT (SCM, LCM and FCM)
shall be placed remote.
DETAIL A
NOT SUPERVISED
SUPERVISED CLASS B
(ULC DCLB)
b
a
b
a
b
a
HNET (
RNI
6
5
4
3
CAN -
2
CAN +
1
SPEAKER -
SPEAKER +
MIC -
MIC +
FMT
Class B or Class X )
11
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