Huawei SMU11B User Manual page 15

SMU11B Site Monitoring Unit
User Manual
Terminal
Figure 1-9 ALM and SMOKE pins
Table 1-12 ALM and SMOKE pin definitions
Terminal
ALM5–ALM10
SMOKE
Figure 1-10 J7 pins
Table 1-13 J7 pin definitions
Terminal
J7
Issue 03 (2022-06-06)
Pin
3
4
Pin
1
2
1
2
Pin
1
2
3
Copyright © Huawei Technologies Co., Ltd.
1 Description of Components
Signal Description
GND Grounding (PE)
– –
Signal Description
ALM+ Dry contact
output +
ALM- Dry contact
output -
SMOKE Smoke sensor
signal input
12 V 12 V output
Signal Description
12 V 12 V output
GND Grounding (PE)
– –
9