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LEGAL 

The information in this publication has been carefully checked and is believed to be entirely accurate at 
the time of publication. CTC Union Technologies assumes no responsibility, however, for possible errors 
or omissions, or for any consequences resulting from the use of the information contained herein. CTC 
Union Technologies reserves the right to make changes in its products or product specifications with the 
intent to improve function or design at any time and without notice and is not required to update this 
documentation to reflect such changes. 
 
CTC Union Technologies makes no warranty, representation, or guarantee regarding the suitability of its 
products for any particular purpose, nor does CTC Union assume any liability arising out of the 
application or use of any product and specifically disclaims any and all liability, including without 
limitation any consequential or incidental damages. 
 
CTC Union products are not designed, intended, or authorized for use in systems or applications intended 
to support or sustain life, or for any other application in which the failure of the product could create a 
situation where personal injury or death may occur. Should the Buyer purchase or use a CTC Union 
product for any such unintended or unauthorized application, the Buyer shall indemnify and hold CTC 
Union Technologies and its officers, employees, subsidiaries, affiliates, and distributors harmless against 
all claims, costs, damages, expenses, and reasonable attorney fees arising out of, either directly or 
indirectly, any claim of personal injury or death that may be associated with such unintended or 
unauthorized use, even if such claim alleges that CTC Union Technologies was negligent regarding the 
design or manufacture of said product. 
 

TRADEMARKS 

Microsoft is a registered trademark of Microsoft Corp. 
HyperTerminal™ is a registered trademark of Hilgraeve Inc. 
 
 

 

 

User Manual 

Version 1.0 November 2008 Release 
 
 
This manual supports the following: 

ET100/G64 -AC 
ET100/G64 -DC 

 
 
 
This document is the first official release manual. Please check CTC Union's website for any updated 
manual or contact us by E-mail at [email protected]. Please address any comments for improving this 
manual or to point out omissions or errors to [email protected]. Thank you. 
 
CTC Union maintains a support web site (support.ctcu.com) where you may obtain the latest manual, 
quick installation guide, and operational firmware. Membership to this web site is free, however, you must 
be a registered member in order to access any software updates. 
 
 
 
 
 
 
 
 
 
 
 
 
 

CTC Union Technologies Co., Ltd. 
2008-2009 Copyright, All rights reserved.

 

Содержание ET100/G64

Страница 1: ...ET100 G64 Synchronous WAN Ethernet Bridge 10 100Base TX Ethernet over G 703 64K Co directional ...

Страница 2: ......

Страница 3: ... Street Neihu District Taipei 114 Taiwan ET100 G64 Ethernet WAN Bridge User Manual Version 1 0 Nov 4 2008 Release Version 1 1 Jul 21 2009 Update This manual supports the following models ET100 G64 Ethernet WAN Bridge All specifications subject to change without notice ...

Страница 4: ...rchase or use a CTC Union product for any such unintended or unauthorized application the Buyer shall indemnify and hold CTC Union Technologies and its officers employees subsidiaries affiliates and distributors harmless against all claims costs damages expenses and reasonable attorney fees arising out of either directly or indirectly any claim of personal injury or death that may be associated wi...

Страница 5: ...res 7 1 2 Specifications 7 1 3 Functional Block Diagram 9 1 4 Unit Detail 10 1 5 Theory of Operation 12 1 6 DIP Switch Setting Tables 13 1 6 1 Data Rate Settings 13 1 6 2 Interface Settings 13 1 6 3 LAN Bridge Settings 13 1 7 Clocking Examples 14 ...

Страница 6: ...Table of Contents ii This page left blank intentionally ...

Страница 7: ... 802 3 802 3u Connector Shielded RJ 45 Speeds 10BASE T 100BASE TX Auto Full or Half Duplex Frames Supports 64 to 1536 byte packet lengths supports 802 1Q pass through WAN Interface Fixed type ITU T G 703 64K co directional interface Data Rate 64Kbps Clock Source Tx Rx internal Tx Rx external or recovery from co directional data Line 4 wires 0 5 0 7mm twisted pair cable Range Up to 800m over 24AWG ...

Страница 8: ...transmit event 100M Green OFF 10Base T ON 100Base TX Full Green OFF Half duplex ON Full duplex Error Red OFF No LAN error event ON LAN error event Test Red OFF No loop back ON Loop back enable Loop back When the Loop back push button switch is depressed Received timing and data are looped back out the Transmit timing and data interfaces Co directional TX RX TX RX Figure 1 ET100 G64 Loop back paths...

Страница 9: ...onal Line Transceivers Figure 2 ET100 G64 Block Diagram SYNC HDLC CONTROLLER Full Duplex Half Duplex Ext clock Int clock FILTER ENGINE plus 256 MAC Address Table WAN SIDE RJ 45 Female LAN SIDE RJ 45 Clock Source IEEE802 3u I F Link LED LAN Tx LED LAN Rx LED WAN Tx LED WAN Rx LED Auto MDIX Phy TX TX RX RX ...

Страница 10: ...ET100 G64 LAN WAN Bridge 1 4 Unit Detail 1 1 2 2 3 3 4 10 15 19 16 11 17 18 12 13 14 5 6 7 8 9 10 4 11 11 5 6 7 8 9 10 Figure 3 ET100 G64 Front Panel Detail Figure 4 ET100 G64 Unit Detail ...

Страница 11: ...he Ethernet is connected in Full Duplex Off is Half Duplex 9 Ethernet Error LED Red when on indicates an error condition on the Ethernet interface 10 Test LED Red when on indicated that the Loop back test is active 11 Loop back This pushbutton switch is used to initiate co directional loopback towards the remotely connected device 12 SW2 configuration DIP switch refer to setting tables 13 SW3 conf...

Страница 12: ...l The ET100 G64 utilizes both Ethernet Bridging and HDLC encapsulation to provide a connection between LANs over bit stream architectures The LAN side of the ET100 G64 receives an Ethernet packet and examines its destination MAC address If it knows the MAC is on the local network then it simply drops the packet Otherwise if it knows the packet destination is on the remote side or if it cannot be d...

Страница 13: ...ettings for Co directional Interface Configuration 1 6 3 LAN Bridge Settings SW4 SW STATE Function 1 2 Memory Buffer configuration OFF OFF LAN to WAN 308 packets WAN to LAN 32 packets default OFF ON LAN to WAN 170 packets WAN to LAN 170 packets ON OFF LAN to WAN 32 packets WAN to LAN 308 packets 1 2 ON ON Reserved OFF MDI 1 1 to HUB 3 ON Auto MDIX default OFF Ethernet Speed 100Base TX 4 ON Etherne...

Страница 14: ... capacity When SW4 1 is OFF and SW4 2 is ON this buffer is divided equally between LAN to WAN and WAN to LAN packet traffic When the LAN is Fast Ethernet and the WAN connection is slow the buffer may be better utilized by applying a greater portion to the LAN to WAN packet traffic In this case set both SW4 1 2 to OFF This will provide a 9 to 1 buffer division for LAN to WAN versus WAN to LAN buffe...

Страница 15: ...xisting G 703 64K co directional transmission equipment which already supplies the clock to the tributary equipment G 703 64K co directional Transmission Equipment TD TD RD RD RD RD TD TD 64K Receive 64K Receive Figure 7 Point to Point over existing co directional equipment recovery clock 15 ...

Страница 16: ...ET100 G64 LAN WAN Bridge 16 ...

Страница 17: ...s Inc Fax 886 2 27991355 Tel 886 2 26591021 Attn Technical Support Department E mail techsupport ctcu com From Company Name Tel Fax MODEL ET100 G64 ACTIVITY As attached in DIP switch setting table SYS CONFIGURATION Question ...

Страница 18: ...estion SW NO DIP FUNCTION ON OFF ON OFF SW1 na Loop Back X SW2 1 8 reserved SW3 1 Tx Timing Setting X SW3 2 AIS X SW3 3 Octal Code Violation X SW3 4 8 Reserved SW4 1 Bridge Buffer Conf X SW4 2 Bridge Buffer Conf X SW4 3 MDIX Setting X SW4 4 10 100Base manual X SW4 5 Full Half Duplex manual X SW4 6 auto negotiation manual X SW4 7 802 3x Flow Control l X SW4 8 Bridge Filter X Additional comments que...

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