MPC-6000 / MPC-7000 / RND-2 INSTALLATION, OPERATION AND MAINTENANCE MANUAL
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Serial Interface Circuit
The RND-2 control unit has a Serial Interface Circuit that will drive up to 16 remote LCD
annunciators and 8 Serial Relay Units and Serial Annunciator Units.
Status Relays
Four relays with dry contacts are provided. These relays are programmable to power fail,
alarm, trouble and supervisory functions. The relay contacts are Form C and are rated 1A @
28VDC resistive.
Programming Port
An RJ-11 jack is provided for a non-isolated RS-232 connection for temporary connection to a
computer for panel programming.