Unit installation

MR-2100/MR-2200 Installation Manual
4
Display Board
The Display Board provides LED and LCD status
annunciation, hotkeys, and keypads for message
retrieval and programming. A replacement Display can
be ordered under RB-MR-2201.
Optional (Internal) Components
NAC Expander Board - MRNC2
The NAC Expander Board provides two additional NAC
output circuits. A ribbon cable connects this module.
Any combination of NAC and Relay expanders can be
added (to a maximum of three modules total) within the
basic enclosure.
Refer to the MRNC2 NAC Expander Installation
Instructions for more information.
Relay Expander - MRRL4
The Relay Expander provides four additional function
relay output circuits. A ribbon cable connects this
module. Any combination of NAC and Relay expanders
can be added (to a maximum of three modules total)
within the basic enclosure.
Refer to MRRL4 Relay Expander Installation
Instructions for more information.
Eight Zone LED Module - MRLD8
The MRLD8 module provides eight zones of LED
annunciation. The LED strips mount to the dead-front
door and connect to the MR-2244RB-MR-2201 display
board. Up to three of these modules can be added to
the MR-2244 display boardRB-MR-2201.
Refer to the MRLD8 Eight Zone Expansion Module
Installation Instructions for more information.