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4 (14) © Nokia Corporation
DN0610789
1 Product description
The Nokia ET-adapter is a plug-and-play Ethernet interface adapter for Dynanet
(DNT) modems. This Ethernet interface adapter can be installed to the adapter
port of a DNT modem.
Figure 1. ET adapter
The main function of the ET-adapter is to bridge two LANs over the WAN.
Ethernet frames received from the LAN are encapsulated inside the HDLC
frames and the HDLC frames are sent to the WAN according the serial data
speed of WAN. The WAN interface of ET-adapter is connected to the interface
port of DNT-series modem. Packets that are received from WAN are
decapsulated from HDLC frame and then sent to Ethernet interface of an ET-
adapter.
WAN transmission rate and used time slots are selected from the modem end.
The modem can indicate adapter type and Ethernet link status. All other settings