Series 90B ANNUNCIATOR INSTALLATION AND CONFIGURATION MANUAL
CONSTRUCTION
The SERIES 90B is a modular design constructed from a matrix of cells up to 13
high by 13 wide. The cells can be configured for 1, 2, 3 or 4 points per cell. Each
cell provides front access to the electronics and all wiring connections are made
to the rear of the unit. Each cell can accept several modules in various
combinations, consisting of I/O Cards, Common Service Modules, Power
Supplies and Option Modules. The Common Service Module (CSM) is typically
located at the lower right cell of the unit and the other cells are used for I/O.
System Front View
System Rear View