DWG Series GSM/CDMA VoIP Gateway User Manual
Chapter 2 Equipment installation
This chapter mainly introduces DWG2001/DWG2004/DWG2008 hardware installation and
connection of equipment.
2.1 Installation notice
DWG2004/DWG2008 used AC110~220V, 50/60Hz AC power supply, DWG2001 uses DC12V power.
Power supply should ensure the reliability and stability; otherwise, it may damage the SIM card
or device. In addition, make sure the power supply connects to ground bar well. With right
ground protect connection, that can reduce the surge voltage caused by lightning that damage
the equipment, and ensure voice quality (note: when calls with irregular noise occurring, please
check the power whether connect ground well). Common measures are as follows:
Making sure that all devices powered in the buildings are in accordance with NEC (National
Electric Code, National Electrical Regulations) Article 250 of manual properly grounded;
Making sure that the panel of building power supply units used high‐quality copper wire well
connect with the ground wire, copper wire specifications shall comply with NEC Table 250‐94/95
relevant provisions of the manual. Grounding cable that buried in the building field, including at
least one or several 2.44m deep under the ground, or buried deeply underground at least 0.76m,
with a wire around the building (see NEC manual specifications the relevant provisions of the
table 250‐94/95);
Setting up voltage protector between equipment and ground connected to some other computer
equipments (either directly or through other devices), such as terminal or printer must also be
plugged into the same surge protector.
Network interface of DWG2001/DWG2004/DWG2008 supports RJ45 standard with 10Mbps or
100Mbps network.
Wireless section, inserting SIM card directly, GSM channel should work properly.
To check the network connection, user can monitor the registered status indicator (refer
)
Table 1‐2
8
Need help?
Do you have a question about the DWG2001 and is the answer not in the manual?