Siemens ZAM-180 Installation Instructions Manual page 11

Loc. Audio IN B
Loc. Audio IN A
SUPERVISED
NOT POWER LIMITED
Speaker Line 1 A
Speaker Line 1 B
Speaker Line 2 A
Speaker Line 2 B
Speaker Line 2 A
Speaker Line 2 B
Speaker Line 1 A
Speaker Line 1 B
* shipped with the ZAM-180
** In Canada, mount using Model EL-33.
NOTES (Speaker Lines and Backup Amplifier)
1. Wiring can be Class A or Class B.
2. Use twisted pair or shielded twisted pair.
3. Terminate shields at one end only.
4. Supervised and not power limited.
Figure 15
2x Class B Configuration
A24205-A334-B832 (Edition 1)
P/N 315-035600-2
2x Class B: Both lines are used and have the end of line resistor at the end of
the speaker line
Shield
1 2 3 4 5 6 7 8
9 10 11 12 13 14
11
Loc. Switch A
Loc. Switch B
NOTES (Local Audio)
1. 24AWG (Ø 0,5mm) min., 12 AWG (2,5mm²) max.
2. Use twisted pair or shielded twisted pair.
3. Terminate shields at one end only.
4. Must be within 20 feet and in rigid conduit.
15 16
Back-Up Amp B
Back-Up Amp A
P/N 140-034728 (US/CA)
C24235-A1-K13 (DE)
P/N 140-034728 (US/CA)
C24235-A1-K13 (DE)
NOTES (Local Switch)
1. 24AWG (Ø 0,5mm) min., 12 AWG (2,5mm²) max.
2. Use twisted pair or shielded twisted pair.
3. Terminate shields at one end only.
4. Must be within 20 feet and in rigid conduit.
5. Connect to dry contacts only.
*
EOL = 68k
**
*
EOL = 68k
**