Zeta Alarm Systems.
Classic 2000 Mk II Operation Manual
Revision 1.0
Part # MAN-Z3K-01
Page 35
2.6.1 Network Wiring
Note: For Class A, as shown in drawing, use terminals 17, 18, 23 and 24 for Network lines going out
from the panel. Use terminals 20, 21, 25 and 26 for Network lines returning to the panel. For Class
B, use only terminals 17, 18, 23 and 24.