Installation
IRC-3 and FCC Field Wiring
XMDND5.CDR
Mounting Slot
Removable Access Door
Remove for LSRA-232
LSRA-232
Printer/Programming Port
RS-232 RJ11 Jack
Configuration Dip Switch
Connnecton Terminals
Rx LED
Tx LED
(+) External key switc
(+) 24VDC
(-) External key switch
24VDC Common
Earth Ground
RS-485, Ch 0 (+)
RS-485, Ch 1 (+)
RS-485, Ch 0 (-)
RS-485, Ch 1 (-)
1
9
Figure Chapter 3-2 - LSRA(-C) Rear View
The total length of the RS-485 communications loop used to connect
multiple annunciators cannot exceed 7,700 feet (2348 m) in total.
Wire the annunciators per the following figures. The Table Chapter 3-1
lists these connections:
3.4
LSRA Installation, Operation, Maintenance, and Configuration Manual
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