Apollo 55000-818 Interface Unit Now Obsolete
The Apollo 55000-818 Interface Unit has now been made obsolete. This unit was a surface mounted single input / output module designed for use on addressable fire alarm system circuits.
Apollo's suggested replacement unit for the 55000-818 device is the 55000-847 unit. This is an addressable single input / output interface unit with integral isolator. Click Here To View The Apollo 55000-847 interface.
Posted: 4th February 2015
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