MyPower VG2000 V4 VoIP Gateway Installation Manual
Page
28 / 72
the joint ground should be less than 5
Ω
.)
3.2.3 Power Connection
MyPower VG2000-32S VoIP gateway adopts stable power
system. It has a low requirement for the input AC power.
Domestically, the AC standard for civil use is 220V and 50Hz.
The AC power supply quality may vary in different districts. But
the MyPower VG2000-32S VoIP gateway has a large tolerance
for the input power.
The following power socket or multi-functional microcomputer
power socket is recommended. The earth line of the power
must be grounded well. Generally, when laying out the cables,
the earth line of the building power supply system is already
buried underground. The user should check whether the
building power is grounded reliably. Otherwise, the user should
do corresponding processing.
The following figure shows the shapes of common power
sockets.
Figure 3-6 Common power sockets