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Table of contents for the manual
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Page 1
DN0610789 © Nokia Corporation 1 (14) Product Overview Ethernet bridge adapters 100BASE-T, E66210.32 10/100BA SE-T, E66210.33[...]
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Page 2
Product Overview 2 (14) © Nokia Corporation DN0610789 The information in this documen t is subject to change without notice and descr ibes only the product defined in the i ntroduct ion of t h is docum entati on. This docume nt is inten ded for t he use of Nokia's cu stomers only for the purposes of the agreement under which the document is s[...]
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Page 3
Content s DN0610789 © Nokia Corporation 3 (14) Conten ts 1 Product description ...............................................................................4 2 Hardware installation instructions .......................................................7 2.1 Front panel ...............................................................................[...]
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Page 4
Product Overview 4 (14) © Nokia Corporation DN0610789 1 Product description The Nokia E T-adapter i s a plug-a nd-play Ethernet interfac e adapte r for Dy nanet (DNT) modem s. This Ethernet interf ace ad apter can be installed to the adap ter port of a DNT modem. Figu r e 1. ET adapter The main function of the ET-adapter is to bridge two LANs over[...]
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Page 5
Product description DN0610789 © Nokia Corporation 5 (14) are fixed. There are thr ee s elec t a ble Ethern et interf a ce se ttings in E662 10.3 3: 10BASE half and full duplex an d 100BASE full duplex. The data path and main components of ET-adapter are described in the block diagram below. WAN Power 3,3V / 1,8V HDLC ISEPROM 2048x8 SDRMA 4x1Mx32 1[...]
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Page 6
Product Overview 6 (14) © Nokia Corporation DN0610789 Ethernet bridge adapter makes rate adaption and it can be c onnected to 10BASE- T ET-ad apter or DYNANET EIU. 100BASE-T 10BASE-T 10BASE- T Figu r e 4. E662 1 0. 32 co n n ec ted PREAMBLE SFD DESTINATIO N ADDRESS SOURCE ADDRESS LENGTH/TYPE MAC CLIENT DATA PAD FRAME CHECK SEQUENCE Bits within fra[...]
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Page 7
Hardware installatio n instruct ions DN0610789 © Nokia Corporation 7 (14) 2 Hardware installation instructions Ethernet connector Modern connecto r NR3 Pin 1 Figure 6. ET Adapter card E66210.33[...]
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Page 8
Product Overview 8 (14) © Nokia Corporation DN0610789 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-adapter into the slot and tighte n tw o sc r ew[...]
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Page 9
Hardware installatio n instruct ions DN0610789 © Nokia Corporation 9 (14) 2.1 Front panel RX LINK 100 BASE-T Bridge Figure 8. Front p anel RX displays receive status : LED blinks every time when an Ethernet packet is received fro m the LAN. LINK displ ays link status : LED is lit when cable is connected to another Ethernet equ ipment and the link [...]
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Product Overview 10 (14) © Nokia Corporation DN0610789 RX LINK 100 HD 10/100 BASE - T Br id ge Speed Duplex 100 HD 10 100 100 Half Full Full Off Off Off Off On On Figure 9. Front panel E6621 0.33 RX displays receive status . LED blin ks every time when an Ethernet pack et is received fro m the LAN. LINK displ ays link status . LED is lit when cabl[...]
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Page 11
Hardware installatio n instruct ions DN0610789 © Nokia Corporation 11 (14) Pin Signal Dir ection 1 Rx+ input 2 Rx- input 3 Tx+ output 4 Not conn ected 5 Not conn ected 6 Tx- output 7 Not conn ected 8 Not conn ected Figure 10. Ethe rnet connector and pin numb eri ng 2.2 Cabling ET-adapter i s conn ected to the networ k adapter with a direct Ether n[...]
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Page 12
Product Overview 12 (14) © Nokia Corporation DN0610789 3 Product features 3.1 Bridge All received fram es are forwared transpar ently to the WAN. Receive buffer size 1728 MAC frames Transmit buffer size 320 MAC frames Receive buffer is q ueue for data that was recei ved fro m the Ethern et (LAN) to be transmitted to the HDLC (WAN). Transmit buffer[...]
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Page 13
Product features DN0610789 © Nokia Corporation 13 (14) Maximum transfer unit 2016 bytes Any frame larger than the maximum tran sfer unit (MTU) value will be rejected . The frame size incl ud es de stina t i on address, sour c e ad dr es s, ty pe, lengt h, data and CRC. Standard Ethernet frame maximum length is 1518 bytes (destinatio n address 6 by[...]
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Page 14
Product Overview 14 (14) © Nokia Corporation DN0610789 DNT2M-sp T65620 DNT2M-mp T65630 DNT2Mi-sp T65670 DNT2Mi-mp T65680 DNT2M-G-sp T65650 DNT2M-G-mp T65660[...]