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4. Turn on the power to the MPA2C3 controller.
For login information, go to https://192.168.2.150.
RS-485 Communications
If a MPA2C3 panel is to be placed onto a pre-existing RS-485 dropline loop
(NetAXS), it must be setup as the Primary panel. The interface allows the wiring of a
multi-drop communication network of up to 4,000 feet (1200 in length. Only one
host converter device per dropline is supported.
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Set DIP Switch SW1 Bit 3 (Primary)to ON to enable it to be a primary panel. Bit 3 in
the OFF position configures the panel as a secondary panel; ON configures a pri-
mary panel. The panel must be power cycled for a new switch setting to be recog-
nized. Bit 5-9 of DIP Switch 1 are used to select the panel's address on the network.
For more information about DIP SW1 Settings, see .
Note: For more information on end of line (EOL) termination, contact Honeywell technical
support.
Warning: If an RS-485 network has a MPA2C3 Secondary panel, no N1000-II, N1000-III, N1000-
IV, or NS2 are allowed on the same network. If they are added to a network with a
MPA2C3 primary panel, they will not be able to communicate with the host computer.
MPA2C3 Installation Guide
MPA2C3 must be the Primary panel on an existing NetAXS loop. The MPA2C3
panel cannot be placed as a Secondary panel when the Primary is a NetAXS
system.
RS-485 communication has not been evaluated by UL or ULC.
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