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Siemens ASC-2 Installation Instructions Manual page 7

Audio supervision card

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STYLE 7
ASC-2 Style Z Wiring Diagram
Figure 6
7
NOTES:
1. All wiring must be in
accordance with Article 760 of
NEC or the local building
codes.
2. Minimum wire size: 18 AWG
twisted pair.
3. Maximum wire size: 14 AWG
twisted pair.
4. High level amplifier
connections = unshielded
twisted pair.
Low level amplifier connections
= shielded twisted pair.
Other connections = single
conductor wire
5. Maximum rating:
25.2V RMS: 10W - 4.0A each
input/output
70.7V RMS: 100W - 1.4A each
input/output
6. Maximum loop length: Refer to
Tables 2 and 3.
7. The wire length includes: The
length of the wire from the
ASC-2 to the amplifier, the
length of the wire from the
ASC-2 to the ZC Series of
audio cards and back, and the
length of the longest speaker
zone served by the amplifier.
8. End of Line device: 24K, ½W,
5%, (P/N 140-820405)
9. If there is no backup amplifier,
connect terminals 3 and 4
together. If one backup
amplifier is shared by more
than one ASC-2, connect all
terminal 3s together and leave
the terminal 4s unconnected.
10. Required for power limited
wiring.
Refer to Wiring Specification for
MXL, MXL-IQ and MXLV
Systems, P/N 315-091772
revision 6 or higher, for
additional wiring information.

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