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![](https://files.manualsfile.com/91658739-vth8641kms-wp/bg1a.png)
1.2.10 VTH8641K/VTH8642K Series
Figure 1-22 Rear panel
Table 1-12 Rear panel description
No. Port
1 RS-485 and power output port
2 Alarm port
3
●
8641K: Power input port
●
8642K: 2-wire port
4 Network port
19
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