Nokia E66210.33 User Manual
Product Overview
Ethernet bridge adapters
100BASE-T, E66210.32
10/100BASE-T, E66210.33
DN0610789
© Nokia Corporation
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Product Overview
The information in this document is subject to change without notice and describes only the
product defined i n the introduction of this documentation. This document is intended for the
use of Nokia's customers only for the purposes of the agreement under which the document is
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development and imp r ovement of the docum entation.
The information or stat em e nts gi v e n in th is d oc um e nt co nc e rn i ng t he suitability, capacity, or
performance of the mentioned hardware or software products cannot be considered binding
but shall be defined in the ag r ee m ent m ade b etween Nokia and the customer. However,
Nokia has made all reasonable efforts to ensure that the instr uctions contained in the
document are adequate and free of material errors and omissions. Nokia will, if necessary,
explain issues which may not be covered by the do c u m ent.
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errors. NOKIA WILL NOT BE RESPONSIBLE IN ANY EVENT FOR ERRORS IN THIS
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Copyright © Nokia Corporation 2006. All rights reserved.
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Contents
Contents
1 Product description ...............................................................................4
2 Hardware installation instructions .......................................................7
2.1 Front panel...............................................................................................9
2.2 Cabling...................................................................................................11
3 Product features................................................................................... 12
3.1 Bridge.....................................................................................................12
3.2 LAN ........................................................................................................12
3.3 WAN.......................................................................................................13
3.4 Environmental ........................................................................................13
3.5 Modem requirements .............................................................................13
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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.
Product Overview
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 connecte d to the interfa ce
port of DNT-series modem. Packets that are received from WAN are
decapsulated from HDLC frame and then sent to Ethernet interface of an ETadapter.
WAN transmission rate and used time slots are selected fr om the modem end.
The modem can indicate adapter type and Ethernet link status. All other settings
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Product description
are fixed. There are three selectable Ethernet interface se ttings i n E662 10.3 3:
10BASE half and full duplex and 100BASE full duplex.
The data path and main components of ET-adapter are described in the block
diagram below.
WAN
Euro
Figure 2. Block diagr am
ET-adapter is compatible to virtual LANs and 802.1Q VLAN tags are
forwarded transparently over the WAN. Using virtual LANs several subnets can
be combinated to the one Ethernet link, but only if also Ethernet switches
support VLANs.
100BASE-T
Power
3,3V / 1,8V
HDLC
Ethernet
switch
ISEPROM
2048x8
Bridge
DS33ZII
SDRMA
4x1Mx32
ET-Adapter 100 BASE-T
MII
PHY
LXT971
Link integrity & activity
100BASE-T
10/100
RJ-45
Ethernet
switch
LAN
LEDs
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VLAN1
VLAN2
Figure 3. VLAN
© Nokia Corporation
VLAN2
VLAN1
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