Huawei SMU11B - Page 15

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