CMUip-2212 Cabinet Monitor Unit
Operations Manual
Eberle Design Inc.
Page 17
The default address for the CMU is 0x0F. If multiple CMU units are not installed on Serial
Bus #1 these inputs should be left in the False (open) state.
3.7 SERIAL BUS #1 DISABLE INPUT
The SERIAL BUS #1 DISABLE input is used to prevent a Serial Bus #1 Error when
communications from the ATC is not active. When the SERIAL BUS #1 DISABLE input is
connected to VDC GROUND (True) The CMUip-2212 will not communicate on Serial Bus
#1 or set a FSA condition if communications from the ATC is not present. See section
2.3.1.
The SERIAL BUS #1 DISABLE input is intended for use in testing the CMUip-2212 and
should not be connected in the cabinet.
3.8 CMUIP-2212 TEMPERATURE
The CMUip-2212 will measure the ambient temperature and report this value in the Type
209 frame. This temperature indication may be used to analyze malfunctions that could be
related to over heating or cold conditions.
