Honeywell MPA2C3 - RS-485 Loop Connection Via MPA2 C3

138 MPA2C3 Installation Guide
RS-485 Loop Connection via MPA2C3
This loop connection supports a total of 8 MPA2C3 panels (MPA2C3not included
Primary) for each drop line.
Figure 4-3 RS-485 Loop Connection via MPA2C3
Note: You should ground each standard metal enclosure panel individually with an Earth
Ground