3.2 Connecting to the LAN
Information about IP Proprietary Telephones 23
3.2 Connecting to the LAN
3.2.1 Connecting the IP-EXT16 Card
Refer to the following example to connect the IP-EXT16 card to the LAN.
When the IP-EXT16 card is connected to the LAN for the first time, you must assign IP addressing
information to the card. Refer to "4.1 Programming the IP-EXT16 Card" for instructions.
Notes
• Use an Ethernet straight cable with an RJ45 connector to connect the IP-EXT16 card to a switching
hub. The cable should be a 100BASE-TX CAT5 (Category 5) or higher cable.
• Before connecting the IP-EXT16 card, attach a ferrite core (included with the card) to the cable.
• Make sure to set the port of the switching hub that connects to the IP-EXT16 card to operate under
"Auto Negotiation" mode.
• When using the VLAN feature on the network, make sure that the IP-EXT16 card is connected to
a layer 2 switch that complies with IEEE 802.1Q, and that is configured for VLANs. In addition, the
port of the switching hub to which the IP-EXT16 card is connected must be set to "Untagged".
Consult your network administrator for details.
1. Wrap the cable once around the ferrite core, leaving 5 cm (1-15/16 in) between the ferrite core and the
connector.
2. Close the case of the ferrite core.
Attaching a ferrite core to the cable
Note
If you need to open the ferrite core, use a flathead screwdriver to unlatch the case.
5 cm
(1-15/16 in)
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