1.2 Rear Panel
Port positions at the rear panel may differ depending on the actual product. For details about the
alarm port, see "1.3 Alarm Port".
1.2.1 VTH2421F Series
No.
1
2
3
4
Figure 1-8 Rear panel
Table 1-3 Rear panel description
Port
Alarm port
Debug port
Network port
Power port
6