Figure 10-3 Smoke sensor
Principles
The red LED turns solid on when the probe detects the alarm state. When the system is reset, or
it is powered off and again powered on, the sensor restores to the state without alarms. At this
time, the red LED blinks normally, as shown in Table 10-4.
Table 10-4 Description of the LED on the probe
LED
Status Meaning
Red LED Solid on The probe is in the alarming state.
Blinking The probe is in the non-alarming state.
Technical Specifications
Table 10-5 describes the technical specifications of the smoke sensor.
Table 10-5 Technical specifications of the smoke sensor
Parameter
Value
Type JTY-GD-S839
Power supply voltage 24 VDC ± 5%
Output type 2-wire Boolean value type
Operating type Optical or electrical smoke sensing type
UA5000 Universal Access Unit
Environment Monitoring 10 Sensors
Issue 01 (2012-08-17) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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