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Product Overview

Ethernet bridge adapters 100BASE-T,E66210.3210/100BASE-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 in 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 submitted, and no part of it may be reproduced or transmitted in any form or means without the prior written permission of Nokia. The document has been prepared to be used by professional and properly trained personnel, and the customer assumes full responsibility when using it. Nokia welcomes customer comments as part of the process of continuous development and improvement of the documentation.

The information or statements given in this document concerning the suitability, capacity, or performance of the mentioned hardware or software products cannot be considered binding but shall be defined in the agreement made between Nokia and the customer. However, Nokia has made all reasonable efforts to ensure that the instructions 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 document.

Nokia's liability for any errors in the document is limited to the documentary correction of errors. NOKIA WILL NOT BE RESPONSIBLE IN ANY EVENT FOR ERRORS IN THIS DOCUMENT OR FOR ANY DAMAGES, INCIDENTAL OR CONSEQUENTIAL (INCLUDING MONETARY LOSSES), that might arise from the use of this document or the information in it.

This document and the product it describes are considered protected by copyright according to the applicable laws.

NOKIA logo is a registered trademark of Nokia Corporation.

Other product names mentioned in this document may be trademarks of their respective companies, and they are mentioned for identification purposes only.

Copyright © Nokia Corporation 2006. All rights reserved.

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DN0610789

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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Product Overview

1 Product description

The Nokia ET-adapteris aplug-and-playEthernet 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-adapteris 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 ofET-adapteris connected to the interface port ofDNT-seriesmodem. 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 from the modem end. The modem can indicate adapter type and Ethernet link status. All other settings

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DN0610789

Product description

are fixed. There are three selectable Ethernet interface settings in E66210.33: 10BASE half and full duplex and 100BASE full duplex.

The data path and main components of ET-adapterare described in the block diagram below.

 

 

Power

ISEPROM

 

ET-Adapter100BASE-T

 

 

 

 

 

 

 

 

 

 

3,3V / 1,8V

2048x8

 

 

 

 

 

WAN

Euro

HDLC

Bridge

MII

PHY

10/100

RJ-45

LAN

 

DS33ZII

 

LXT971

 

 

 

 

 

 

 

 

 

 

 

 

 

Link integrity & activity

LEDs

 

 

 

 

 

 

 

 

 

 

 

SDRMA

 

 

 

 

 

 

 

 

4x1Mx32

 

 

 

 

 

Figure 2.

Block diagram

ET-adapteris 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

 

 

 

Ethernet

100BASE-T

 

 

 

 

 

Ethernet

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

switch

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

switch

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VLAN1

VLAN2

VLAN2

VLAN1

Figure 3.

VLAN

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Product Overview

Ethernet bridge adapter makes rate adaption and it can be connected to 10BASE-TET-adapteror DYNANET EIU.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

100BASE-T

 

 

 

 

 

10BASE-T

10BASE-T

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Figure 4. E66210.32 connected

7 OCTETS

 

 

 

 

PREAMBLE

 

 

 

 

 

 

 

 

 

 

 

1 OCTET

 

 

 

 

 

SFD

 

 

 

 

 

 

 

 

 

 

 

6 OCTETS

 

 

DESTINATION ADDRESS

 

 

 

 

 

 

 

 

 

 

 

6 OCTETS

 

 

 

SOURCE ADDRESS

 

 

 

 

 

 

 

 

 

 

 

2 OCTETS

 

 

 

 

LENGTH/TYPE

 

 

 

 

 

 

 

 

 

 

 

46-1500OCTETS

 

 

 

MAC CLIENT DATA

 

 

 

 

 

PAD

 

 

 

 

 

 

4 OCTETS

FRAME CHECK SEQUENCE

LSB

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

b0

 

 

 

 

 

 

 

b7

 

 

 

Bits within

 

 

 

frame transmitted left to right

Octets within frame transmitted top to bottom

 

All octets except preamble

MSB

and SFD are bridged

transparently over the WAN

Figure 5.

MAC frame

The figure above describes the standard Ethernet frame without VLAN tag. Standard maximum frame length is 1518 bytes. The ET-adaptersupports frames included in 802.1Q VLAN tag. 1522 bytes long frames are forwarded from LAN to WAN.

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© Nokia Corporation

DN0610789

Hardware installation instructions

2 Hardware installation instructions

 

Modern

Ethernet

connector

connector

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NR3

 

Pin 1

 

 

 

 

 

 

 

 

 

 

 

 

Figure 6. ET Adapter card E66210.33

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Product Overview

Table 1.

E66210.33 bridging

 

 

 

 

 

 

 

 

Link speed

 

10BASE

 

10BASE

100BASE

Duplex status

 

Half

 

Full

Full

Closed pins

 

1-2

 

3-4

5-6

LED 100

 

Off

 

Off

On

LED HD

 

On

 

Off

Off

Installing E66210.32

Figure 7. Installing the adapter

1.Switch off the modem power, plug the ET-adapterinto the slot and tighten two screws. Then switch on the modem. TheET-adapteris ready to use.

Installing E66210.33

1.Select Ethernet interface configuration and close pins of NR3 according to Table 1.

2.Switch off the modem power, plug the ET-adapterinto the slot and tighten two screws. Then switch on the modem. TheET-adapteris ready to use.

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DN0610789

Hardware installation instructions

2.1Front panel

100 BASE-TBridge

RX LINK

 

 

 

 

 

Figure 8.

 

Front panel

RX displays receive status: LED blinks every time when an Ethernet packet is received from the LAN.

LINK displays link status: LED is lit when cable is connected to another Ethernet equipment and the link is up. Link status is also shown at the DNT modem: if the link is down there is no incoming signal alarm.

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Product Overview

 

 

 

 

 

 

10/100 BASE-TBridge

Speed

Duplex

100

HD

 

 

 

 

 

 

 

 

10

Half

 

Off

On

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

100

 

Full

 

Off

Off

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

100

 

Full

 

On

Off

 

 

 

 

 

RX LINK

 

 

100

 

 

HD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Figure 9. Front panel E66210.33

RX displays receive status. LED blinks every time when an Ethernet packet is received from the LAN.

LINK displays link status. LED is lit when cable is connected to another Ethernet equipment and the link is up. Link status is also shown at the DNT modem: if the link is down there is no incoming signal alarm.

100 displays speed status. LED is lit when theET-adapteris configured to 100BASE mode, otherwise the adapter is configured to 10BASE mode.

HD displays duplex status. LED is lit when theET-adapteris configured to half duplex mode, otherwise the adapter is configured to full duplex mode.

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DN0610789

Hardware installation instructions

Pin

Signal

Direction

1

Rx+

input

2

Rx-

input

3

Tx+

output

4Not connected

5Not connected

6

Tx-

output

7Not connected

8Not connected

Figure 10. Ethernet connector and pin numbering

2.2Cabling

ET-adapteris connected to the network adapter with a direct Ethernet cable. The maximum length of a category 5 cable is 100m. If theET-adapteris connected to the Ethernet hub or switch then use across-connectedEthernet cable.

Figure 11.

Direct cabling

Ensure that the Ethernet port that is connected to ET-adapterhas the same configuration as theET-adapter.Port speed and duplex status have to be the same at both Ethernet ports. It is not recommended to useauto-negotiationoption. Port configuration should always be fixed.

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Product Overview

3 Product features

3.1Bridge

All received frames are forwared transparently to the WAN.

Receive buffer size

1728 MAC frames

Transmit buffer size

320 MAC frames

Receive buffer is queue for data that was received from the Ethernet (LAN) to be transmitted to the HDLC (WAN).

Transmit buffer is for data that was received from the WAN to be transmitted to the Ethernet.

Receive buffer high watermark

1632 MAC frames

Receive buffer low watermark

1536 MAC frames

If the receive buffer size exceeds higher watermark, the ET adapter will send a pause frame to LAN. Pause frame is sent every time when a frame is received from LAN until the low watermak is reached. The pause frame is sent to a multicast destination address 01-80-C2-00-00-01.Pause time parameter of pause frame is 80 slots. Pause frame is sent only when full duplex mode is selected.

3.2

LAN

 

 

 

Selectable configuration

10

Mbps and half duplex

 

 

10

Mbps and full duplex

 

 

100 Mbps and full duplex

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DN0610789

Product features

Maximum transfer unit

2016 bytes

Any frame larger than the maximum transfer unit (MTU) value will be rejected. The frame size includes destination address, source address, type, length, data and CRC. Standard Ethernet frame maximum length is 1518 bytes (destination address 6 bytes + source address 6 bytes + type 2 bytes + data 1500 bytes + CRC 4 bytes).

Cable

UTP CAT5, maximum cable length

 

100m

3.3

WAN

 

 

HDLC

RFC1662

 

FCS

16 bits

 

Idle signal flag

7E (0111 1110)

Idle flags are sent continously to WAN when there are no packets in the receive buffer. Two idle flags are sent between every HDLC packet.

Line speed

n x 64 kbps (n = 1…32)

3.4

Environmental

 

 

 

Climatic

Operation:

EN 300 019, class 3.2

 

 

Transport:

EN 300 019, class 2.3

 

 

Storage:

EN 300 019, class 1.2

 

EMC:

 

EN 300 386

 

Power consumption:

 

800 mW

3.5Modem requirements

The ET-adaptercan be installed to the follwing modems. The modem adapter type is displayed as V.35 or Ethernet E66210.32 depending on the DNT modem software version.

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Product Overview

DNT2M-spT65620

DNT2M-mpT65630

DNT2Mi-spT65670

DNT2Mi-mpT65680

DNT2M-G-spT65650

DNT2M-G-mpT65660

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DN0610789