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Administrator Guide – AzaCall200 VOIP Multi-Protocol Gateway
8.
WAN Port:
¾
If the user has a cable modem…
z
Without an NAT Device between cable modem and the gateway device
Plug one end of the 8-wire, RJ-45 Ethernet cable into the WAN port of the
gateway device and plug the other end into the Ethernet port of the cable
modem. Then connect the cable modem using a twist-on, coaxial cable to the
matching socket in the wall.
z
With an NAT between cable modem and the gateway device
In contrast to the without-NAT scenario above, please first connect the gateway
device to the NAT device using an RJ-45 cable, then connect the NAT device to
the cable modem with an RJ-45 cable. The connection between cable modem
and the wall socket remains the same as before. Please refer to Figure 1 for
details.
Figure 1
Connectivity diagram for cable modem with NAT device