Specifications and Features
8
RAX-1048(TZ) Adder Annunciator Chassis, 48 Display Points (TZ version has 48 extra
trouble display points)
• Interconnect via one ribbon cable to RAM-1032(TZ) or to previous RAX-1048(TZ).
• Annunciation of up to 48 additional points (with trouble annunciation on the TZ version).
• Standby: 15 mA Max., All LEDs “On”: 100 mA Max.
• TZ version: Standby: 15mA Max., All LEDs “On”: 200mA Max.
Current Drain for Battery Calculations
The lamp test feature draws the maximum normal current because it illuminates all lamps on one
chassis at a time. Thus the currents are:
Normal Standby Current = 50 mA+ ______________ X 15 mA = _________
(number of adder chassis)
Maximum = 150 mA+ ______________ X 15 mA= _________
(number of adder chassis)
Use the Normal Standby Current for battery size calculations (see the fire alarm control panel
manual for battery calculations) and includes the current drain for the Trouble Buzzer, Trouble LED,
and one alarm LED. Use the Maximum Current to calculate the wire size (see Wiring Instructions
on page 3).
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