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Installing the MPA2 Panels

Installation

MPA2 Access Control Unit Installation Guide, Document 800-25395 - B 39

Table 9 Downstream I/O Devices DIP Switch and Jumper Settings

Note: If a NX4IN is not required in a system, start addressing the NX4OUT at

DIP switch 3. If a NX4IN is configured with an address other than 1 or 2, the

MPA2 panel will not communicate with it. Likewise, if a NX4OUT is

configured with an address other than 3 through 6, the MPA2 panel will not

communicate with it.

The MPA2 board is not intended to provide either module power or module

output load power for downstream I/O. A separate 24 VDC supply should

be used to provide power to all downstream modules and output loads.

Module Setting Value

NX4IN DIP switches Address (switches 1-6) - 1 or 2

Baud rate (switches 7 and 8) - 7 = OFF, 8 = ON

OP Mode (switches 9 and 10) - 9 = OFF, 10 = OFF

Jumper settings JP1 – ON, positions 1 and 2 (if the module is the

last module on the downstream bus),

OFF positions 2 and 3 (if the module is not the last

module on the downstream bus)

JP2 - any setting

JP3 - any setting

JP4 - NORMAL

(Positions 1 and 2)

NX4OUT DIP switches Address (switches 1-6) - 3 through 6

Baud rate (switches 7 and 8) - 7 = OFF, 8 = ON

OP Mode (switches 9 and 10) - 9 = OFF, 10 = OFF

Jumper settings JP1 - ON, positions 1and 2 (if the module is the last

module on the downstream bus);

OFF, positions 2 and 3 (if the module is not the last

module on the downstream bus)

JP2 - NORMAL, positions 1

and 2

Honeywell MPA2 User Manual

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