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Chapter 1 Introduction

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1.3 Typical System Applications

General

Figure 1-1: Example; Typical Application

In a typical application (Figure 1-1), the ETU01-D is used to connect the
synchronous data channel of a single router and the local and remote LANs over an
E1 line. The fractional E1 data service is based on the assumption that the combined
user data rate of all channel modules is equal to or is a fraction of the full available
E1 bandwidth, in multiples of 64K.

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Содержание ETU01-D

Страница 1: ...User Manual ETU01 D Single Port E1 Access Unit with Fixed V 35 Datacom I F CTC Union Technologies Co Ltd ...

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Страница 3: ...u com ETU01 D User manual English version 1 2 January 2007 User Manual for Single Port E1 Access Unit Thank you for choosing our product Please read this manual carefully before using the ETU01 D This manual supports the following models ETU01 D 100 240 VAC model ETU01 D 48V DC model Copyright 2006 CTC Union Technologies Inc All rights reserved All specifications are subject to change without prio...

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Страница 5: ...ter 2 Installation 2 1 General 15 2 2 Site Preparation 15 2 3 Mechanical Assembly 15 2 4 Electrical Installation 17 Chapter 3 Front Panel Operation 3 1 GENERAL 19 3 2 CONTROLS AND INDICATORS 19 3 3 Menu Operation 20 Chapter 4 Control Port Operation 4 1 General 31 4 2 Terminal Connection 31 4 3 Menu System Detail 32 Chapter 5 Loop Back and BERT Tests 5 1 Test Loops 57 Appendix Appendix A 61 Technic...

Страница 6: ...Table of Contents ...

Страница 7: ...ications including ITU G 703 G 704 G 706 G 732 and G 823 Multiple clock source selection provides maximum flexibility in connecting both the E1 and user interfaces The ETU01 D has the flexibility to meet the timing requirements of various system configurations The timing modes for the E1 link and for the user channel are selected by the setting of configuration data via the front panel LCD display...

Страница 8: ...igure 1 1 the ETU01 D is used to connect the synchronous data channel of a single router and the local and remote LANs over an E1 line The fractional E1 data service is based on the assumption that the combined user data rate of all channel modules is equal to or is a fraction of the full available E1 bandwidth in multiples of 64K ...

Страница 9: ... Alternate frames contain the FAS Distant Alarm indication bit and others bits reserved for national and international use Multi Frame Alignment Signal MFAS MFAS framing uses Channel Associated Signaling CAS to transmit the A B C D bits signaling information for each of 30 channels This method uses the 32 time slot frame for mat with time slot 0 dedicated for the Frame Alignment Signal FAS and tim...

Страница 10: ...ment allowing the user to freely specify the selection of time slots in sequence or randomly for each data channel User data channel interface The ETU01 D has a single user data channel interface and it is a fixed type of user data channel interface V 35 System Timing Considerations The ETU01 D has the flexibility to meet the timing requirements of various system configurations The timing mode for...

Страница 11: ...ock External timing The ETU01 D E1 link transmit clock is locked to the clock signal provided by the user DCE connected to the user s data channel When the data channel is used as the clock source the data channel must use clock timing mode 2 DTE User data channel timing The ETU01 D has two user data channel clocking modes Clock mode 1 DCE The ETU01 D data channel operates as a DCE providing the t...

Страница 12: ... G 703 G 704 G 706 and G 732 Interface Connectors RJ45 BNC User Data Channel Interface Types V 35 Interface Connectors V 35 25 pin D type Female Data Rate N 64kbps Where N equal 1 to 31 in CCS And N equal 1 to 30 in CAS Clock Modes Clock Mode 1 DCE Receive and transmit clock recovered to the Synchronous DTE Clock Mode 2 DTE Receive and transmit clock from the synchronous DCE all from ETC pin Contr...

Страница 13: ... Yellow light OFF Signal from DTE is 0 3 Yellow light FLASH Signal from DTE is 1 and 0 6 RD of Datacom 1 Yellow light ON Signal from DTE is 1 2 Yellow light OFF Signal from DTE is 0 3 Yellow light FLASH Signal from DTE is 1 and 0 7 DCD 1 Green light OFF DCD Off 2 Green light ON DCD On 8 RTS 1 Green light ON RTS from DTE is ON 2 Green light OFF RTS from DTE is OFF 9 Test 1 Red light ON Enables Loop...

Страница 14: ...y 1 stop bits Alarm relay Floating pair of NO and NC contacts Contact ratings 1A at 30 VDC resistive or 0 5A at 125 VAC resistive Physical Height 44 mm Width 195 mm Depth 245 mm Weight 925g net Power supply Voltage AC model 100 240 VAC Voltage DC model 18 72 VDC Frequency 47 to 63 Hz for AC power Power consumption 15 VA Environment Temperature 0 50C 32 122F Humidity 0 to 90 non condensing ...

Страница 15: ... Assembly The ETU01 D is designed for tabletop shelf or rack mount installation and except for rack mount installation is delivered completely assembled Rack mounted applications require installation of additional rack mounting brackets No provisions are made for bolting the ETU01 D to the tabletop All Standalone Rack Series units have the option of adding standard EIA 19 or 23 rack mount capabili...

Страница 16: ...lf tapping screws and four 4 12 24x0 5 screws In order to save rack mount space units may be mounted in tandem Please refer to the following drawing examples for this application Figure 2 2 Tandem Units Mounting Exploded Figure 2 3 Tandem Units Mounting Detail The tandem kit includes two 2 rack mount adapters one 1 each of inner and outer central mounting adapters twenty 20 3x8mm self tapping scre...

Страница 17: ...able 2 4 2 Rear panel connectors The data channel interfaces is fixed on the rear panel of the ETU01 D Refer to Figure 2 4 2 5 and consist of MB34pin connector for V 35 One RJ 45 balanced type interface and one pair of BNC unbalanced type Coax connectors are available for the E1 The last connector is a DB9pin connector for the terminal mode console port Figure 2 4 ETU01 D rear panel AC model Figur...

Страница 18: ...nbalanced 75 Ohm connections for the E1 lines RJ 45 INTERFACE A single RJ 45 connector marked E1 provide balanced 120 Ohm The pin assignments for RJ 45 connectors are as follows 1 RTIP Receive data in 2 RRING Receive data in 4 TTIP Transmit data out 5 TRING Transmit data out Note This follows the USOC RJ 48C standard ...

Страница 19: ...ng all the parameters and doing a save reboot 3 2 CONTROLS AND INDICATORS All controls push button switches LCD display and LED indicators are located on the ETU01 D front panel The momentary on pushbutton switches are used to activate menu selections and select parameter settings Figure 3 1 ETU01 D Front Panel Use the LEFT and RIGHT function keys to browse the menus and select parameters Use the ...

Страница 20: ...der the last saved setting Press ESC to stop the running and the LCD will display Set the default system parameter save the present parameter reset the system and choose the system clock Set the Line code interface and distance transmit buffer receive buffer Frame type and idle code for E1 link Assign the E1 timeslots to the Data Channels link RUN ON SYSTEM PARAMETER E1 LINK PARAMETER TIME SLOT MA...

Страница 21: ...ing Enable main link or data channel Loop back Enable BERT select channel and select pattern Enable display the system date and time Enable display the alarm records which been stored in the buffer or delete all the record LOOPBACK PARAMETER DATA PORT PARAMETER BERT TEST PARAMETER DATE TIME DISPLY SET ALARM BUFFER DISPLY ...

Страница 22: ...owing screens show the setup screens under the System Parameter Main Screen Press ENTER the SYSTEM PARAMETER sub menu will be displayed You can modify all the system parameters save all changes or reset the unit back to the default settings Press ENTER the ETU01 D will work in the default mode DEFAULT SAVE REBOOT SYSTEM PARAMETER EXIT CONFIG PERFORMANCE Monitor ...

Страница 23: ...ly with Y N N Press ENTER again and the system will show Y N Y and then reboot Otherwise press ESC to leave without rebooting the system Press ENTER to set the system clock Internal External Data Port Recovery E1 In a typical point to point application the local unit will set the clock source to the built in oscillator Internal and the remote unit will recover clock from the received E1 Recovery I...

Страница 24: ...eter to select it with the cursors Now use the arrow keys to browse the available settings for that parameter The following is a breakdown of parameters and available settings LINE CODE HDB3 or AMI HDB3 default IMPEDANCE 120ohm or 75ohm 120ohm default LBO SHORT or LONG SHORT default TX JITTER ON or OFF OFF default RX JITTER ON or OFF OFF default FRAME unframed CCS or CAS unframed default Technical...

Страница 25: ...ove the cursor use ENTER to assign the timeslot as follows N Not assigned Y Data Channel C Insert idle code on E1 Tx side Refer to E1 Link Parameter Detail to set the idle code B BERT test Note TS 00 Cannot be assigned in CCS or CAS mode of MAIN E1 LINK to anything but Framing BERT cannot be assigned to TS 00 TS 16 Cannot be assigned in CAS mode to anything except Signalling BERT cannot be assigne...

Страница 26: ... Polarity Press ENTER to Select DCE DTE Press ENTER to select the Clock Polarity Type1 Tx pos Rx neg Type2 Tx pos Rx pos Type3 Tx neg Rx pos Type4 Tx neg Rx neg Tx Transmit clock Rx Receive clock Pos Data sync at the clock rising edge Neg Data sync at the clock falling edge Note If all parameters are set correctly and the data port transmission fails please adjust clock polarity to correct the tra...

Страница 27: ...y also perform loop back test functions Press ENTER Use the arrow keys to browse the available options for loop back setting By default all loop backs are off The details are as follows Main Link Loop back off Local Analog Local Digital Local Payload Remote Analog or Remote Payload Data Port Loop back off Local Analog or Local Digital 3 3 7 BERT Parameter Detail The following screens show the setu...

Страница 28: ...3 3 8 Performance Note The BPV reception count in the ETU01 D is not sensitive This means the number of BPV transmitted may be different from the number of BPV received This is due to the E1 framer chip used in the ETU01 D and is beyond our control 3 3 9 Exit Configuration IMPORTANT All of the configuration settings performed up until now can be activated by exiting the configuration menu back out...

Страница 29: ...XTERNAL SYSTEM CLOCK RECOVERY SET PASSWORD PASSWORD CLEAR PASSWORD OFF ETU01 D SYSTEM PARAMETER CONTROLLED ERM 01 HDB3 LINK CODE AMI 75ohm IMPEDANCE 120ohm SHORT LBO LONG ON TX JITTER OFF ON RX JITTER OFF Unframed CCS FRAME CAS ON CRC 4 OFF E1 LINK PARAMETER IDLE CODE N Y C TIME SLOT MAPPING B DCE CLOCK SELECT DTE DATA PORT PARAMETER CLOCK POLARITY TX POS RX POS ...

Страница 30: ...REMOTE ANALOG E1 REMOTE PAYLOAD CLOSE LOCAL ANALOG LOOPBACK PARAMETER DATA PORT LOCAL DIGITAL ON FUNCTION OFF CHANNEL E1 LINE 2E11 1 2E15 1 BERT TEST PARAMETER PATTERN QRSS DATA TIME DISPLAY SET LOCAL ALARM BUFFER Y ALARM BUFFER DISPLAY CLEAR ALARM BUFFER N BPV CNT CRC 4 ERR SECS UAS LONG ES LONG UAS PERFORMANCE MONITOR CURR SEC EXIT CONFIG ...

Страница 31: ...e computer is very straight forward The only other hardware required is a DB9 pin one to one male to female cable The ETU01 D acts as a DCE to the PC s DTE communications port A convenient application provided with the Microsoft Windows 98 NT 2K XP operating systems is Hyper Terminal Set the properties to match the ETU01 D control port defaults as follows Bits per Second 19200 Data bits 8 Parity N...

Страница 32: ...wing section will detail actual displays with descriptions of parameter settings via relevant key commands This is the first screen seen after connecting Note that the first two items Display and Define deal with all the system settings The Display item will browse settings for viewing only while under Define all parameters may be both viewed and changed Figure 4 2 Top menu ...

Страница 33: ...Status Enter 1 to Display System Clock Parameter The display shows that the System Clock Parameter is derived from the internal oscillator Exit this menu to the previous one Press ESC Display System Clock Parameter System Clock INTERNAL Press ESC to previous menu ...

Страница 34: ...he E1 Line Code E1 interface impedance LBO Tx jitter Rx jitter Frame type CRC setting and Idle code for the E1 link To return to the previous display enter ESC Display E1 Parameter Line Code HDB3 Impedance 75 ohm LBO SHORT TX Jitter OFF RX Jitter OFF Frame CCS CRC 4 OFF Idle Code 7FH Press ESC to previous menu ...

Страница 35: ...re shown with the assigned abbreviations shown directly beneath In CCS and CAS modes never assign TS0 In CAS mode never assign TS16 To return to the previous display enter ESC Display Time Slot Mapping SLOT 00 01 02 03 04 05 06 07 TYPE N B B N N N N N SLOT 08 09 10 11 12 13 14 15 TYPE N N N N N N N N SLOT 16 17 18 19 20 21 22 23 TYPE N N N N N N N N SLOT 24 25 26 27 28 29 30 31 TYPE N N N N N N C ...

Страница 36: ...he record by selecting the 3 Press ESC to return Enter 6 to Display Loop Back Test information Enter ESC to return to the Display System Status menu Display LoopBack Test Function OFF E1 OFF Data Port OFF Press ESC to previous menu Alarm Buffer Display Menu 1 Display Alarm Buffer 2 Display Remote Alarm Buffer 3 Clear Alarm Buffer Enter 1 3 or Press ESC to previous menu ...

Страница 37: ...ERT Test information Enter 8 to Display E1 Line Performance Enter ESC to return to the Display System Status menu Then press ESC again to go to the very top menu display Display BERT Test Function OFF Channel E1 line Pattern 2E11 1 Press ESC to previous menu ...

Страница 38: ... Reboot System We recommend you do a Save Set And Reboot System after finishing the configuration So let s enter 2 first IMPORTANT You must do SAVE SET for configuration changes to be remembered You need to wait about 10 seconds then the screen will go blank Press ENTER to return to the start up screen Press 2 to re enter the Define Configuration page Reboot System Press ENTER to confirm ESC to pr...

Страница 39: ...nit will recover clock from the received E1 Recovery If the clock source comes from connected DCE equipment such as a multiplexer or another modem a crossover cable may be employed to send the connected DCE s clock from the RC to the ETU01 D s ETC and the clock setting will be set to the data port External Press 4 to Define E1 Parameter Define System Clock Parameter System Clock INTERNAL 1 INTERNA...

Страница 40: ...or to exit press ESC to the Define E1 Parameter display then press ESC again to the Define System Parameter display Press 5 to Define Data Port Parameter Define E1 Idle Code Idle Code 7FH Press SPACE to move Press ENTER to select Press ESC to previous menu Define Data Port Parameter Clock DCE Clock Polarity TX Positive RX Negative 1 Clock 2 Clock Polarity Enter 1 2 or press ESC to previous menu ...

Страница 41: ...ove the cursor to the next timeslot entry Repeatedly pressing Enter will make the selection between Y C B and N Note While under FAS TS0 TS16 can not be assigned to B BERT While under FAS CAS TS0 TS16 can also not be enabled or assigned to B BERT Enter ESC to return to the Define System Parameter menu ...

Страница 42: ...Chapter 4 Control Port Operation 42 Press 7 to Define Time Date Pressing 1 the result is displayed as below ...

Страница 43: ... is displayed as below Enter ESC to return to the Define System Parameter menu Press 8 to Define Remote Config Notice This function allows you to configure all the ETU01 D at the far end side And the connected ETU01 D must under the normal CCS or CAS E1 mode ...

Страница 44: ... 4 Control Port Operation 44 When press 1 at the menu here you can configure the connected ETU01 Dsystem clock at Remote side The screen will display CONNECTED ERROR if the unit is not under the normal E1 mode ...

Страница 45: ...ed from the remote side equipment or not OFF The local ETU01 D can t be configured from the remote side ETU01 D A Configure the remote side equipment under this option the equipment at the remote side is ETU01 D A ERM 01 Configure the remote side equipment under this option the equipment at the remote side is E1 I O card of ERM01 Enter ESC to return to the Define System Status menu ...

Страница 46: ...ill display the message Y N N Press Enter again the screen will display the message Y N Y and then reboot system Press ESC again to go to the very top menu display Now press 3 to set up the Test Function Parameter To do this enter 3 Define Test Mode Function 1 LoopBack Test 2 BERT Test Enter 1 2 or press ESC to previous menu Save Reboot Press ENTER to confirm ESC to previous menu ...

Страница 47: ...ion Press 1 The current setting for Loop Back is OFF To turn on press 1 To exit without changing press ESC Define LoopBack Test Function Function OFF E1 OFF Data Port OFF 1 Function 2 E1 3 Data Port Enter 1 3 or Press ESC to previous menu LoopBack Function Function OFF 1 ON 2 OFF Enter 1 2 or press ESC to previous menu ...

Страница 48: ...nframed mode Press 4 to Data Port loopback test function Note When Data Port Local Analog Loop Back is initiated the DTE connected should be providing its own Clock Enter ESC to return to the Define Test Mode Function menu E1 LoopBack E1 OFF 1 OFF 2 Local Analog 3 Local Digital 4 Local Payload 5 Remote Analog 6 Remote Payload Enter 1 6 or Press ESC to previous menu Data Port1 LoopBack Data Port OF...

Страница 49: ...ter 1 press 3 to define the BERT pattern press ESC to exit without changing Press ESC one last time to reach to top level menu Define Test Mode Function 1 LoopBack Test 2 BERT Test Enter 1 2 or press ESC to previous menu Define BERT Test Function Function OFF Channel E1 Line Pattern 2E11 1 1 Function 2 Channel 3 Pattern Enter 1 3 or Press ESC to previous menu ...

Страница 50: ...the user to enter the digital for the password once you enter the non digital character and press enter key the system will display Your Password Is Error Enter 123456 Then press ENTER the screen will display Your Password is OK Password 1 Set Password 2 Clear Password Enter 1 2 or press ESC to previous menu Password Enter Password 6 Number Press ENTER to confirm ESC to previous menu Press SPACE t...

Страница 51: ...nter the original password Then press ENTER the screen will display Your Password is clear Press ESC Press ESC back to go back to the main menu To reset all parameters to the original factory default settings press 5 All settings are effected Reset Data to Factory Default Reset Data is OK Press ENTER to confirm ESC to previous menu ...

Страница 52: ... mode press 6 The terminal connection will be dropped and the front panel LCD will return to its normal RUN condition IMPORTANT The unit will not transmit normally unless it is in RUN mode This completes the detailed examples of terminal mode operation for the ETU01 D ...

Страница 53: ...Time Slot Display Alarm Buffer Display Remote Alarm Buffer Alarm Buffer Clear Alarm Buffer LoopBack Test BERT Test Display System Status Performance Save Reboot Reboot System Internal External System Clock Recovery HDB3 Link Code AMI 75ohm Impedance 120ohm Short LBO Long ON TX Jitter OFF ON RX Jitter OFF Unframe CCS Frame CAS ON CRC 4 OFF Define System Parameter E1 Parameter Idle Code 00 FF ...

Страница 54: ...eg TX Neg RX Pos TX Neg RX Neg Time Slot Mapping Date Time Internal External Remote System Clock Recovery Remote Frame Remote CRC 4 Remote Cascade Remote Idle Code Remote RAI Remote Line Code Remote Impedance Remote E BIT Remote LBO Remote TX Jitter Remote E1 Link Remote RX Jitter Remote Config Remote Time Slot ...

Страница 55: ... Neg TX Neg RX Pos Clock Polarity TX Neg RX Neg ON Function OFF Close Local Analog Local Digital Local Payload Remote Analog E1 Remote Payload Close Local Analog LoopBack Test Data Port Local Digital ON Function OFF Channel E1 Line 2E11 1 2E15 1 Test Function Parameter BERT Test Pattern QRSS Set Password Password Clear Password Reset Data to Default EXIT ...

Страница 56: ...Chapter 4 Control Port Operation 56 This page left blank intentionally ...

Страница 57: ...Chapter 5 Loopback and BERT Tests 57 5 1 Test Loops E1 link loop back local analog loop back local digital loop back ...

Страница 58: ...Chapter 5 Loopback and BERT Tests 58 local payload loop back remote analog loop back remote payload loop back ...

Страница 59: ...oopback and BERT Tests 59 Data Port loop back Data Port1 local analog loop back Data Port1 local digital loop back Notice The Remote loop back tests are only available under the E1 framed mode either in CCS or CAS ...

Страница 60: ...Chapter 5 Loopback and BERT Tests 60 BERT TEST E1 ...

Страница 61: ...ing test loops Data Terminal Ready H DTR To ETU 01D Not used Data Carrier Detect F DCD From ETU 01D Constantly ON except when a loss of the received carrier signal is detected External Transmit clock U W ETC A ETC B To ETU 01D A transmitted data rate clock input from the data source Transmit Clock Y AA TC A TC B From ETU 01D A transmitted data rate clock for use by an external data source Receive ...

Страница 62: ...Appendix A 62 ...

Страница 63: ...ttn Technical Support Division From Company Name Tel Fax MODEL ETU01 D ACTIVITY Check every setting including physical interface and system setting SYS CONFIGURATION Question Fax 886 2 2799 1355 Tel 886 2 2659 1021 E mail support ctcu com Taipei Taiwan ...

Страница 64: ...d 75 ohms Balanced 120 ohms LBO Long Short Tx Jitter ON OFF Rx Jitter ON OFF Frame Unframed FAS PCM31 FAS CAS PCM30 CRC4 ON OFF IDLE CODE 00 FF Time slot mapping N Not assigned Y Data Channel C Insert idle code on E1 Tx side Refer to E1 Link Parameter Detail to set the idle code B BERT test Data port parameter Data port V 35 Clock select DCE DTE Clock polarity TX POS RX NEG TX POS RX POS TX NEG RX...

Страница 65: ......

Страница 66: ... CTC Union Technologies Co Ltd Far Eastern Vienna Technologies Center Neihu Technology Park 8F No 60 Zhouzi St Neihu Taipei Taiwan Phone 886 2 2659 1021 Fax 886 2 2799 1355 E mail info ctcu com http www ctcu com ...

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