Chapter 1: Installation and wiring 
18  P/N 3102351-EN • REV 005 • ISS 28DEC18 
•  Circuit current: 30 mA max. 
•  Circuit resistance: 90 Ω 
•  Circuit capacitance: 0.3 µF 
•  Ground fault impedance: 0 to 5 kΩ 
•  RS-485 communications speed: 9600 baud 
•  Wiring: 18 to 14 AWG (1.0 to 2.5 mm
2
) twisted pair 
•  Wire run: 4,000 feet (1,219 m) max. 
•  Power-limited and supervised 
Notes 
•  Refer to the K-R Series Remote Annunciator Installation and Operation Guide  
(P/N 3102382-EN) for detailed wiring information. 
•  Installation limits are determined by the AHJ 
Figure 23: Remote annunciator wiring location 
 
Figure 24: Annunciator channel wiring (Class A) 
 
(1)  Channel 1 
(2)  Channel 2 
 
Note: To use the Class A option, you must install the SA-CLA module in the VS1.