Andrew Wireless Innovations Group MRB-LMR User Manual

Figure 3-4. Logic Controller Board

Several connections are made through the I/O panel on the bottom of the
repeater. Figure 3-5 shows the position of applicable connectors.

C bus: To enable control functions from a Mikom repeater, connect the

supplied I

2

C cable connector to J7 on the logic controller board. Pass the

cable through the I

2

C gland on the I/O panel. The cable can then be routed to

the MR Repeater’s I

2

C connector.

Serial control: Connect the female DB-9 end of the supplied serial cable to
J6 on the logic controller board. Route the cable through the door of the
booster and close it (the door seal will prevent the cable from being crushed).
Connect the male end of the serial cable to serial port 1 of the laptop
computer. After initialization or troubleshooting has been completed, this
cable can be removed.