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TTU02-MUX User Manual

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1. TTU 02 TERMINAL MODE SETUP MENU Ver 1 00 D KK KKK KKK KK KKK KK KK KKK E KE Kk A Kk KR A Kk X ko ko 1 Display System Status 2 Define System Parameter 3 Test Function Parameter 4 Password 5 Reset Data to Default 6 EXIT DATE 1999 03 01 TIME 17 07 51 Enter 1 6 to select function Now we will look at defining the system parameters To do this enter 2 lt lt Define System Parameter gt gt Da NOP WN Enter 1 6 or Press Timing Main Link Sub Link Time Slot ta P Ort Date amp Time ESC to previous menu The first selection of system parameters is the Timing parameter so let s enter 1 lt lt Define Timing Parameter gt gt 1 Master Timing 2 Back Timing Enter 1 2 or Press 35 ESC to previous menu CHAPTER 4 CONTROL PORT OPERATION To define the master timing enter 1 lt lt Define Master Timing Parameter gt gt Master Timing MAIN LINK Main Link Sub Link INT OSC Channel Channel Channel Channel OP WN r2 gt WN LB Enter 1 7 or Press ESC to previous menu The display shows that the master timing is currently derived from the Main link To change select one of the appropriate choices from 1 7 or to exit without changing press ESC lt lt Define Timing Parameter gt gt 1 Master T
2. SETUP MENU Ver 1 00 KKEKKKKKKKKKK KKK KEK KKK KKK KK KKK KKK KK KKK Mk X X Test Function Paramet Display System Status Define System Paramet Cer Eek Reset Data to Default 16 13 13 DATE 1999 05 03 TIME Enter 1 6 to select function Now we will move on to setting the Test Function parameters press 3 lt lt Define Test Mode Function gt gt 1 LoopBack Test 2 Bert Test Enter 1 2 or Press 46 ESC to previous menu CHAPTER 4 CONTROL PORT OPERATION First we will look at the item Loopback Test press 1 lt lt Define LoopBack Test Port gt gt Main Link LoopBack LOOP Channel 1 LoopBack LOOP Channel 3 LoopBack LOOP 1 Main Link 2 Sub Link 3 Channel 1 4 Channel 2 5 Channel 3 6 Channel 4 7 All Channel LoopBack OFF Enter 1 BACK OFF Sub BACK OFF BACK OFF Link LoopBack LOOPBACK OFF Channel 2 LoopBack LOOPBACK OFF Channel 4 LoopBack LOOPBACK OFF 7 or Press ESC to previous menu The first three lines of the display show the current loopback status of the Main and Sub T1 DS1 links as well as the four Data Channels In the next example we will set loopback for the Main Link Press 1 lt lt Main Link LoopBack Main Link LoopBack OFF LOCAL D LOCAL ANALOG G TAL LOCAL PAYLOAD IN BAND
3. 85 Appendix B Connectors amp I F Modules B 12 ET10R Ethernet Router Module When the 02 is ordered with an ET10R Interface the unit is not only an access unit for T1 but also becomes a high performance Router for 10 or 100Base TX Ethernet LAN connection The ET10R utilizes standard pin out on one RJ 45 connector providing connection to Ethernet 10Base T or Fast Ethernet 100Base TX networks over UTP unshielded twisted pair cabling Configuration of the router is beyond the scope of this manual Please refer to the CDROM based instructions that are included with the router module The router module is configured with the NetDevice Manager program which is installed under Windows 95 NT 98 ME 2000 The program is included on the CDROM Alternately the router may be configured via the RS 232 control port A special cable must be used to connect to the modules DIN connector Pinouts are provided below for reference 1 8 Direction Description Specifications Receive data Transmit data CPU Hi Performance 32 bit ARM RISC CPU Signal ground Security PAP CHAP MSCHAP NAT Request to Send Network Protocols Clear to Send TCP IP DHCP PPP Frame Relay DTE Baud rate Synchronous lt 2M bps WAN Support T1 E1 LAN Support 10Base T 100Base TX Memory 4M bytes DRAM 2M bytes Flash Memory Table B 13 Console port RS 232 pin allocation 86
4. Parity fixed at NONE only Follow the normal screen procedures to set the speed parameter then press MENU ESC to return to the top menu 3 3 8 Loopback Parameter Detail The following show the setup screens under the Loopback Parameter Screen LOOPBACK PARAMETER Press ENTER 24 CHAPTER 3 FRONT PANEL OPERATION Use the arrow keys to browse the available options for Loopback setting The details are as follows Main Link Loopback Off Local Analog Local Digital Local Payload In Band LLB Out Band LLB Out Band PLB default is Loopback Off Sub Link Loopback Off Local Analog Local Digital Local Payload In Band LLB Out Band LLB Out Band PLB default is Loopback Off Channel 1 Loopback Off Local Analog or Local Digital Loop default is Loopback Off Channel 2 Loopback Off Local Analog or Local Digital Loop default is Loopback Off Channel 3 Loopback Off Local Analog or Local Digital Loop default is Loopback Off Channel 4 Loopback Off Local Analog or Local Digital Loop default is Loopback Off All Channels use this option to quickly turn Loopback Off for all channels 3 3 9 BERT Test Detail The following show the setup screens Use the arrow keys to browse the available options for BERT test setting The details are as follows Function Off or On default Off Use to start BERT Channel 1 Ch2 Ch3 SL ML sub link main link SL SL default 15 Ch1 Pattern 511 2047 2e15 1
5. To define the Timeslot mapping assignments press 4 lt lt Define Time Slot Mapping gt gt TIME SLOT 01 TYPE Channel 1 NC Channel Channel Channel Channel Sub Link Data Sub Link Voice OP WN Enter 1 7 or Press ENTER to next Time Slot or ESC to previous menu The slot number and map type are shown Select 1 7 as appropriate press ENTER to move on to the next timeslot or ESC to exit the mapping function If we press the ENTER key now the second timeslot will be displayed lt lt Define Time Slot Mapping gt gt TIME SLOT 02 TYPE Channel 1 NC Channel Channel Channel Channel Sub Link Data Sub Link Voice A wN P2 r2 Enter 1 7 or Press ENTER to next Time Slot or ESC to previous menu Continue to set the timeslot mapping assignments go on to the next timeslot or ESC This will take us back to the System Parameter menu 4 CHAPTER 4 CONTROL PORT OPERATION lt lt Define System Parameter gt gt Timing Main Link Sub Link Time Slot Data Port Date amp Time ct ct NOB WN Enter 1 6 or Press ESC to previous menu Press 5 to define the Data port parameters lt lt Define Data Port Parameter gt gt Channel Channel Channel Channel Enter 1 4 or Press ESC to previous menu Press the appropriate number 1 4 corresponding to the
6. 33 CHAPTER 4 CONTROL PORT OPERATION lt lt Display System Status gt gt Alarm Buffer BERT Test Result TTU 02 Information 1 Timing 2 Main Link 3 Sub Link 4 Time Slot 5 Data Port 6 Control Port Ts 8 9 Enter 1 9 or Press ESC to previous menu Enter 6 to display the Control Port settings lt lt Display Control Port Parameter gt gt SPEED 9600bps DATA 8 PARITY NONE Press ESC to previous menu The display shows the current settings To return to the main display press ESC lt lt Display System Status gt gt Timing Main Link Sub Link Time Slot Data Port Control Port Alarm Buffer BERT Test Result TTU 02 Information Gt lt lt PWN 2 Enter 1 9 or Press ESC to previous menu Enter 9 to display the TTU02 Information screen lt lt Display TTU 02 Information gt gt EPLD Version O1 FPGA Version 01 DATE 1999 03 01 TIME 17 07 46 Press ESC to previous menu 34 CHAPTER 4 CONTROL PORT OPERATION The information displayed shows the hardware version numbers of the EPLD and FPGA chips in the TTU 02 To exit this display press ESC Then press ESC again to go to the very top menu display KKEKKKKKKKKKK KKK KKK KK KKK KKK KK KKK KK KKK kx Kk A KG Kk X X X CTC UNION TECHNOLOGIES 1
7. NOTES 87 NOTES 88 Access Unit union 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 Awww ctcu com
8. 2e20 1 QRSS 2e23 1 All 1 All 0 Alt 0011 3in24 1in16 1in8 or 1in4 default is 511 Err Ins NONE Single 10e 1 10e 2 10e 3 10e 4 10e 5 10e 6 or 10e 7 default is NONE Result display the received error bit and error rate Press ENTER each time you want to insert an error 25 Version 1 06 Release Mar 2003 CHAPTER 3 FRONT PANEL OPERATION 3 3 10 Date amp Time Display amp Set Detail The following shows the setup screens under the Date amp Time Parameter Screen Press ENTER to display current Date and Time Press ENTER again to define date and time The cursor will be in the year field Use the arrow keys to increment or decrement the year Press ENTER to save and move on to the month field Use the arrow keys again to change the month press ENTER to save and move to the Day field Continue this procedure for the time settings and then press MENU ESC to start the clock from 3 3 11 Miscellaneous Setup Detail The following shows the setup screens under the Miscellaneous Parameter Screen Miscellaneous Parameter Display Press ENTER Use the arrow keys to browse the available options for the LCD back lighting They are AUTO The backlight will automatically turn off in 5 minutes if no key is pressed The backlight will automatically turn on again if any key is pressed Default is AUTO ON The backlight will remain permanently on OFF The backlight will remain permanently off
9. TTU02 MUX supports three formats Unframed format SF D4 format ESF format User data channel rates TTU02 MUX supports user data channel rates which are a multiple of 56 or 64kbps For maximum flexibility the TTUO2 MUX supports data rates up to 1 544Mbps TTU02 MUX supports flexible time slot assignment allowing the user to freely specify the selection of time slots for each data channel CHAPTER 1 INTRODUCTION User data channel interface TTU02 MUX has eight types of user data channel modules RS 232 V 35 X 21 RS 530 10Base T Ethernet Bridge Voice and G 703 64K Co directional The TTU02 MUX also supports RS 449 data channel via an interface adapter cable attached to the RS 530 channel module The desired interface is achieved by installing the appropriate type of channel module in the TTU02 MUX TTU02 MUX 2 supports two data channel modules while the TTU0O2 MUX 4 supports up to four channel modules For maximum flexibility the TTUO2 MUX supports data rates in multiples of 56Kbps or 64Kbps up to 1 544Mbps The TTU02 MUX supports flexible time slot assignment allowing the user to specify the selection of time slots in sequence or randomly System Timing Considerations The TTU02 MUX has the flexibility to meet the timing requirements of various system configurations The timing mode for the T1 DS1 link and for the user channel are selected by the setting of configuration data via the front
10. D LLB OUT BAN ESF on PLB ESF on Enter 1 7 or Press ESC gt gt LOOPBACK OFF Ly Ly to previous menu The choices presented are to turn OFF loopback or turn ON Local Analog Local Digital Local Payload In Band or Out Band loopback On the following page is an example of a display where Local Analog loopback test has been selected for the main link Version 1 0b Release Mar 2003 47 CHAPTER 4 CONTROL PORT OPERATION The display of all loopback status can be observed Note that the Main Link is now set for Local Analog Loopback lt lt Define LoopBack Test Port gt gt Main Link LoopBack LOCAL ANALOG Sub Link LoopBack LOOPBACK OFF Channel 1 LoopBack LOOPBACK OFF Channel 2 LoopBack LOOPBACK OFF Channel 3 LoopBack LOOPBACK OFF Channel 4 LoopBack LOOPBACK OFF Main Link Sub Link Channel Channel Channel Channel 4 All Channel LoopBack OFF 5 C0 P2 r2 Enter 1 7 or Press ESC to previous menu Now we will select the Main Link again Press 1 and turn OFF loopback lt lt Main Link LoopBack gt gt Main Link LoopBack LOCAL ANALOG OFF LOCAL ANALOG LOCAL DIGITAL LOCAL PAYLOAD IN BAND OUT BAND LLB ESF only OUT BAND PLB ESF only OP ho 2 Enter 1 7 or Press ESC to previous menu Press 1 to turn Of
11. Data Port 6 Control Port ds 8 9 Enter 1 9 or Press ESC to previous menu Enter 2 to display the settings for the main T1 DS1 link lt lt Display Main Link Parameter gt gt Frame D4 SF Idle Code 7E RAI DISABLE Line Code B8Z2S LBO Q oxI3SSPEZO0OB Press ESC to previous menu The above display shows the settings for Frame type Idle code RAI setting Line Code and LBO Line Build Out settings for the main T1 DS1 link To return to the previous display enter ESC 3l CHAPTER 4 CONTROL PORT OPERATION lt lt Display System Status gt gt Alarm Buffer BERT Test Result TTU 02 Information 1 Timing 2 Main Link 3 Sub Link 4 Time Slot 5 Data Port 6 Control Port Ts 8 9 Enter 1 9 or Press ESC to previous menu To display the parameter settings for the T1 DS1 sub link enter 3 lt lt Display Sub Link Parameter gt gt Frame D4 SF Idle Code 7E RAI DISABLE Line Code 875 LBO lt 133ft 0qdB Press ESC to previous menu This display has shown the settings for Frame type CRC setting Idle code RAI setting Line Code and LBO settings for the T1 DS1 sub link To return to the previous display enter ESC lt lt Display System Status gt gt Alarm Buffer BERT Test Result TTU 02 Information 1 Timing 2 Main Link 3 Sub Link 4 Time Slot 5 Data
12. Data Port channel to be defined lt lt Define Channel 1 Parameter gt gt PORT CLOCK MULTI CTS V 54 SPEED V 35 DCE N64 ON OFF 128Kbps 1 Clock Mode 2 Multiplier CTS 4 V 54 Loopback WO Enter 1 4 or Press ESC to previous menu Press 1 to define the clock mode for the selected channel lt lt Define Channel 1 Clock Mode gt gt 1 DCE 2 3 DTE2 4 DTE3 Enter 1 4 or Press ESC to previous menu 42 CHAPTER 4 CONTROL PORT OPERATION Choose the desired clock mode or ESC to the channel selection menu lt lt Define Channel 1 Parameter gt gt PORT TYPE CLOCK MULTI CTS V 54 SPEED 35 DCE 64 ON OFF 128Kbps 1 Clock Mode 2 Multiplier CTS 4 V 54 Loopback Co Enter 1 4 or Press ESC to previous menu Press item 2 to set the channel multiplier lt lt Define Channel 1 Multiplier Parameter gt gt 1 N64 2 N56 Enter 1 2 or Press ESC to previous menu Press 1 to enter n64 multiplier 2 to enter n56 multiplier or ESC to leave unchanged lt lt Define Channel 1 Parameter gt gt PORT TYPE CLOCK MULTI CTS V 54 SPEED V 35 DCE N64 ON OFF 128Kbps 1 Clock Mode 2 Multiplier CLS 4 V 54 Loopback Co Enter 1 4 or Press ESC to previous menu Now we will set the CTS parameter Press 3 lt lt Define Channel 1 CTS Parameter gt gt 1 ON 2 RTS Enter 1 2 or Press
13. PCB to the interface card Changes were also made to the unit back panel graphics to reflect the new positions Note that on all new production the Main is below the Sub The unit may now be ordered without the Sub feature if it is not required While referring to the manual for the TTUO2 MUX please note these differences in graphics and table settings for any older models June 2004 notice As of this printing the sub T1 is now a standard feature on all models TABLE OF CONTENTS CHAPTER 1 INTRODUCTION sissies sensisdctccsadsccssssatetesteceetesccseravde 1 LL INTRODUCTION 1 1 FUNCTION DESCRIPTION 1 1 3 TYPICAL SYSTEM APPLICATIONS 3 LA TADS Ly SIGNAL STRUCTURE sez tina Ta deren toe tien e 4 L5 TIUO2 NUX CAPABILITIES renee 5 1 6 TECHNICAL SPECIFICATIONS aN 8 CHAPTER 2 INSTALLATION ssccscsesecssceecsssscseecnsesesieavees essiesveess 13 Jel GENERAL UEM 13 22 SITE PREPARATION de 13 2 3 MECHANICAL ASSEMBLY 2 2255 55 ER rer n 13 24 ELECTRICALINSTALLA TION 13 2 5 DATA INTERFACE MODULE REPLACEMENT 15 CHAPTER 3 FRONT PANEL OPERATION 17 GENERAD eed erede ty see eet 17 3 2 CONTROLS AND INDICATORS a nana nerun
14. TTU02 MUX PWR indicator flashes Hardware failure Replace the TTU02 MUX MAIN TI DS1 Red No signal received from Check cable connections to the main Alarm indicator on the remote device link connector Check other equipment providing the link to the TTU02 MUX Activate the local analog loopback on the main link Check if the TTU02 MUX MAIN T1 DS1 Sync Loss indicator is off then the problem is external Defective TTUO2 MUX Replace the TTU02 MUX 4 MAIN TI DS1 Sync Wrong frame format Check cable connections to the main Loss indicator on link connector Check other equipment providing the same frame link to TTU02 MUX or reset local TTU02 MUX trame format Defective TTUO2 MUX Replace the TTU02 MUX 5 MAIN T1 DS1 D4 bit 2 mode When bit 2 of 256 consecutive channels Yellow Alarm RCR2 2 0 is set to zero for at least 254 indicator on RAT occurrences Check other equipment providing the same line code to the TTU02 MUX D4 12 F bit mode The 12 framing bit is set to one for two RCR2 2 1 consecutive occurrences Check other equipment providing the same frame link to the TTU02 MUX ESF mode When 16 consecutive patterns of OOFF appear in the FDL Problem at the equipment connector to the remote end of the link 71 CHAPTER 6 TROUBLESHOOTING INSTRUCTIONS NO Trouble Symptoms Probable cause Corrective measure SUB T1 DS1 Red Alarm indicator on No signal receive
15. from the remote device Check cable connections to the sub link connector Check other equipment providing the link to the TTU02 MUX Activate the local analog loopback on the sub link Check if the TTU02 MUX SUB T1 DS1 Sync Loss indicator is off then the problem is external Defective TTU0O2 MUX Replace the TTU02 MUX SUB T1 DS1 Sync Loss indicator on Wrong frame format Check cable connections to the sub link connector Check other equipment providing the same frame link to the TTU02 MUX or reset local TTUO2 MUX frame format Defective TTUO2 MUX Replace the TTU02 MUX SUB T1 DS1 Yellow Alarm indicator on D4 bit 2 mode RCR2 2 0 When bit 2 of 256 consecutive channels is set to zero for at least 254 occurrences Check other equipment providing the same line code to the TTU02 MUX D4 12 F bit mode The 12 framing bit is set to one for two RCR2 2 1 consecutive occurrences Check other equipment providing the same frame link to the TTU02 MUX ESF mode When 16 consecutive patterns of OOFF appear in the FDL Problem at the equipment connector to the remote end of the link 72 APPENDIX A DIP SWITCH SETTING A 1 DSW1 SETTING FUNCTION CONDITION Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved A 2 JUMPER CHASS1 FRAME GROUND SETTIN
16. is not available on channels with X 2 interface Mode 4 DTE 3 DTE interface The TTUO2 MUX data channel accepts the user transmit and receive clock All from ETC pin provided by the equipment connector to the data channel The TTU02 MUX operates from 90V AC 250VAC with models available for 24 and 48VDC The unit is built in a single unit EIA compliant 19 rack mountable case with optional mounting kit that may also be placed on desktops or shelves CHAPTER 1 INTRODUCTION 1 3 TYPICAL SYSTEM APPLICATIONS In a typical application Figure 1 1 the TTUO2 MUX is used to connect the synchronous data channels of two host computers and the local and remote LANs over a T1 DS1 line The connected LANs must remain on the same segment as the Ethernet module does not provide a routing function n x 56kbps Host Td ce Transmission Facilities n x 56kbps n x 56kbps ET10 10BaseT ET10 10BaseT TTU02 MUX Figure 1 1 Example 1 Two Channel Typical Application Host A X 21 ROUTER V 35 ROUTER V 35 LAN T1 Sub Link T1 Sub Link J n x 56kbps n x S6kbp p Figure 1 2 Example 2 Four Channel plus T1 DS1 Sub Link Application Host A X 21 ROUTER V 35 Host A X 21 ROUTER V 35 TTUO2 MUX T1 Sub Link n x 56kbps TTU02 MUX T1 Sub Link n x 56kbps Four more DTE Channels Four more DTE Channels Figure 1
17. panel LCD display serial terminal console port or via option SNMP management Ethernet port connection T1 DS1 link timing The TTU02 MUXT1 DS1 link receive path always operates on the receive clock The TTU02 MUX recovers the receive clock from the received T1 DS1 link data signal The source of the TTU02 MUX T1 DS1 link transmit clock can be selected by the user The following T1 DS1 link transmit timing modes are available Loopback timing The TTU02 MUX T1 DS1 link transmit clock is locked to the recovered receive clock Main link T1 DS1 or Sub link T1 DS1 This is usually the timing mode selected for network operation e Internal timing The TTU02 MUX T1 DS1 link transmit clock is derived from the internal clock oscillator This timing mode is necessary in point to point applications over leased line In this case one TTUO2 MUX must use the internal oscillator and the other s must operate from the recovered clock CHAPTER 1 INTRODUCTION e External timing The TTU02 MUX T1 DS1 link transmit clock is locked to the clock signal provided by the user DCE connected to one of the user s data channels When the data channel is used as the clock source the data channel must use clock timing mode 2 or 4 User data channel timing The TTU02 MUX has four user data channel clocking modes e Clock mode 1 DCE The TTU02 MUX data channel operates as a DCE and provides the transmit and recei
18. will place the cursors on the parameter selection line The arrow keys are now used to browse the available parameters Available parameters under Master Timing are MAIN LINK Timing is recovered from the main T1 DS1 link SUB LINK Timing is recovered from the T1 DS1 sub link INT OSC Timing is provided by the internal oscillator of the TTUO2 MUX CH1 LINK Timing is recovered from the Data Channel 1 CH2 LINK Timing is recovered from the Data Channel 2 CH3 LINK Timing is recovered from the Data Channel 3 CH4 LINK Timing is recovered from the Data Channel 4 Press the ENTER key on the selected parameter The cursors will return to the top line Use the RIGHT arrow key to select the next sub menu BACKUP TIMING The settings of backup timing are used as a fallback in case the main timing sync is lost A typical setting for the backup timing would be the choice of internal oscillator Pressing ENTER will place the cursors on the parameter selection line The arrow keys may now be used to browse the available parameters Available parameters under Backup Timing are MAIN LINK Timing is recovered from the main T1 DS1 link SUB LINK Timing is recovered from the T1 DS1 sub link INT OSC Timing is provided by the internal oscillator of the TTU02 MUX 20 CHAPTER 3 FRONT PANEL OPERATION 3 3 3 Main Link Parameter Detail The following screens show the setup screens under the Main Link Parameter Screen MAIN L
19. with Table B 3 CIRCUIT DIRECTION DESCRIPTION Shield Chassis ground May be isolated from Signal Ground G Common signal ground To TTU02 MUX Serial digital data from DTE Fm TTUO2 MUX Serial digital data at the output of the TTU02 MUX receiver To TTU02 MUX An ON signal to the TTU02 MUX when data transmission is desired Data Carrier Fm TTUO2 MUX Constantly ON except when a loss Detect of the received carrier signal is detected Fm TTUO2 MUX transmit data rate clock for use by an external data source To TTU02 MUX serial data rate clock input from the data source Table B 3 X 21 user data channel connector pin allocation 76 Appendix B Connectors amp I F Modules B 3 V 35 USER DATA CHANNEL CONNECTOR When the TTU02 MUX is ordered with a V 35 interface the physical interface is a 34 pin female M type connector wired in accordance with Table B 4 below CIRCUIT Frame DIRECTION lt gt DESCRIPTION Chassis ground May be isolated from signal ground Signal Ground lt gt Common signal ground TD A TD B To TTU02 MUX Serial digital data from DTE RD A RD B Fm TTU02 MUX Serial digital data at the output of the TTUO2 MUX receiver RTS To TTU02 MUX An ON signal to the 77U02 MUX when data transmission is desired CTS Fm TTUO2 MUX Constantly ON DSR Fm TTUO2 MUX Constantly ON ex
20. 1 ALL 1 ALL 0 ALT 0011 3in24 11116 1108 1104 E UJ gt o 1 4S CO IND 2S Enter 1 E or Press ESC to previous menu In this example we will enter 9 to select the ALT 0101 pattern lt lt Bert Test Pattern gt gt Pattern ALT 511 2047 2T1 DS1 5 1 2e20 1 QRSS 2e23 1 ALL 1 ALL 0 ALT 0011 3in24 11116 1108 1104 Enter 1 or Press ESC to previous menu 52 CHAPTER 4 CONTROL PORT OPERATION Press ESC Note in the results screen below the function is ON channel is CH2 and pattern is ALT lt lt Bert Test Parameter gt gt Function ON Channel CH2 Pattern ALT Error Insert NONE Function Channel Pattern Error Insert Result Oe WN EE Enter 1 5 or Press ESC to previous menu An important function of BERT is the ability to insert errors at a pre defined error rate or to insert single bit errors on command Press 4 lt lt Bert Test Error Insert gt gt Error Insert NONE 1 NONE 2 SINGLE 3 10e 1 4 10e 2 5 10 3 6 T 8 9 10 4 10 5 10 6 10 7 Enter 1 9 or Press ESC to previous menu Press 2 to insert single errors on command lt lt Bert Test Error Insert gt gt Press ENTER to insert single error or ESC to previous menu With each press of the ENTER key an error w
21. 26 CHAPTER 3 FRONT PANEL OPERATION Follow the normal menu procedures From the Miscellaneous Setup menu use the arrow keys to browse to the RESET TO DEFAULT parameter function Press ENTER Press the ENTER key to completely reset all parameters to their original factory defaults 3 3 12 Alarm Buffer Display Detail Use this function to display and or clear the Alarm Buffer Press ENTER to display buffer Refer to Table 5 2 in Chapter 5 TEST and DIAGNOSTICS for the meaning of the displayed alarm If you use the Press ENTER to clear the alarm buffer or press Menu ESC to exit This completes the detailed discussion of the function setup of the TTU02 MUX via the front panel LCD display 27 CHAPTER 3 FRONT PANEL OPERATION This page left blank intentionally 28 CHAPTER 4 CONTROL PORT OPERATION 4 1 General The TTU02 MUX Control Port labeled RS 232 Alarm on the rear panel is a serial terminal port designed to facilitate setup of all parameters through the use of a standard text based terminal or any terminal emulation program running on a Personal Computer 4 2 Terminal Connection A notebook computer has become an invaluable tool of the Systems Engineer Connection to the computer is very straight forward The only other hardware required is a DB9 pin one to one male to female cable The TTUO2 MUX acts as DCE to the PC s DTE communications port A convenient application provided with t
22. 3 Example 3 Cascade TTU02 from T1 DS1 Sub Link Application The fractional T1 DS1 data service is based on the assumption that the combined user data rate of all channel modules plus Sub Link is equal to or is a fraction of the full available T1 DS1 bandwidth in multiples of 56K or 64K Up to four data channels may be connected TTU02 MUX 4 two for the TTU02 MUX 2 plus an optional T1 DS1 sub link drop and insert CHAPTER 1 INTRODUCTION 1 4 T1 DS1 signal structure The T1 DS1 line operates at a nominal rate of 1 544Mbps The data transferred over the T1 DS1 line is organized into frames with each T1 DS1 frame containing 193 bits The 193 bits are organized as 24 time slots of eight bits each that carry the data payload plus an F bit T1 DS1 transmissions utilize two main types of framing Super Frame SF or D4 and Extended Super Frame ESF Framing is necessary in order for equipment receiving the T1 DS1 signal to be able to identify and extract the individual channels Super Frame format SF A super frame consists of twelve consecutive frames The SF format is a structure in which the F bits are used for framing only In the SF format the F bits are divided into two groups Terminal Framing Ft bits that are used to identify frame boundaries Signaling Frame Fs bits that are used to identify super frame boundaries When the 192 digit time slots are DSO channelized the Fs bits are also used to identify t
23. 49 PIN RS 449 CIRCUIT DESCRIPTION Chassis ground May be isolated from signal ground Common signal ground Serial digital data from DTE Serial digital data at the output of the 2 MUX receiver ON signal to the TTU02 MUX when data transmission is desired Constantly ON Constantly ON Except during test loops Data Terminal Ready DTR not used used for a received serial data rate clock input from the DTE Data Carrier Constantly ON except when a loss of the received carrier signal is detected A transmitted data rate clock input from the data source A transmitted data rate clock for use by an external data source A received data rate clock for use by an external data source When on commands TTU02 MUxX into remote loopback can disable by DIPSW When on commands TTU02 MUX into local loopback can disable by DIPSW Test Indicator ON during any test mode Table B 7 RS 530 to RS 449 pin allocation 80 Appendix B Connectors amp I F Modules B 7 G 703 64K Codirectional USER DATA CHANNEL CONNECTOR When the TTU02 MUX is ordered with a G 703 64K Codirectional interface the physical interface is a 15 pin female D type connector wired in accordance with Table B 8 DIRECTION DESCRIPTION Chassis ground May be isolated from Signal Ground To TTU02 MUX Serial codirectional data from DTE Fm TTU02 M
24. An internal pattern generator connects a user selected test sequence to the transmit input of the local data channel interface To calibrate the system the user can inject errors at a selectable rate The receive output is connected to a pattern tester The tester compares the received and transmitted patterns and detects errors For a local test use the main link local analog loopback or hardwire main link RX connector to TX to return the data back to the local DTE as shown in Figure 5 9 T1 Transmission Figure 5 9 BERT for local test BERT on Channel 1 Main Link analog loopback For a system test use the remote side main link remote analog loopback or data channel remote loopback to return the data back to the local user DTE as shown in Figure 5 10 Remote TTUO2 MUX Main Link Remote analog loopback or Channel Remote loopback T1 Transmission a Figure 5 10 BERT used for system test 69 CHAPTER 5 TEST and DIAGNOSTICS This page left blank intentionally 70 CHAPTER 6 TROUBLESHOOTING INSTRUCTIONS In case a problem occurs check the displayed alarm messages and refer to the Alarm Messages section in Table 5 2 NO Trouble Symptoms _ Probable cause Corrective measure 1 PWR indicator off No AC power Check that both ends of the AC power cable are properly connected Blown fuse Replace with fuse of proper rating Defective TTUO2 MUX Replace the
25. EKKKKKKKKKK KK KKK KKK KKKK KKK KKK KKK A KK A ke KR Ax ko ko NINE CTC UNION TECHNOLOGIES CO LTD ERRE TTU 02 TERMINAL MODE SETUP MENU Ver 1 00 TONER Display System Status Define System Parameter Test Function Parameter Password Reset Data to Default EXIT NOB WN DATE 1999 03 01 TIME 17 07 14 Enter 1 6 to select function Enter 1 to enter the Display System Status menu lt lt Display System Status gt gt Alarm Buffer BERT Test Result TTU 02 Information 1 Timing 2 Main Link 3 Sub Link 4 Time Slot 5 Data Port 6 Control Port TA 8 9 Enter 1 9 or Press ESC to previous menu 30 CHAPTER 4 CONTROL PORT OPERATION Enter 1 to display the Timing Parameters lt lt Display Timing Parameter gt gt Master Timing MAIN LINK Back Timing INT OSC Press ESC to previous menu The display shows that the Master Timing is derived from the main T1 DS1 link while the fallback timing if required will be derived from the internal oscillator To exit this menu to the previous one Enter ESC lt lt Display System Status gt gt Alarm Buffer BERT Test Result TTU 02 Information 1 Timing 2 Main Link 3 Sub Link 4 Time Slot 5
26. ESC to previous menu 43 CHAPTER 4 CONTROL PORT OPERATION Enter the appropriate setting for CTS or press ESC to exit without changing lt lt Define Channel 1 Parameter gt gt PORT CLOCK MULTI CTS V 54 SPEED V 35 DCE N64 ON OFF 128Kbps 1 Clock Mode 2 Multiplier 3 CTS 4 V 54 Loopback Enter 1 4 or Press ESC to previous menu Press 4 to define the parameter for V 54 loopback codes lt lt Define Channel 1 V 54 Loopback Parameter gt gt V 54 Loopback OFF Ts OFF 2 ON Enter 1 2 or Press ESC to previous menu Enter 2 to enable loopback 1 to ignore standard V 54 loopback codes Press ESC to leave unchanged Press ESC again to exit to the Define Data Port Parameter menu lt lt Define Data Port Parameter gt gt Channel Channel Channel Channel Enter 1 4 or Press ESC to previous menu Choose another channel for setting or press ESC to exit to the Define System Parameter lt lt Define System Parameter gt gt Timing Main Link Sub Link Time Slot Data Port Date amp Time ct ct NOB WN Enter 1 6 or Press ESC to previous menu 44 CHAPTER 4 CONTROL PORT OPERATION The following is an example of setting the system date and time Press 6 lt lt Define Date amp Time gt gt 1 DATE 2 TIME DATE 1999 03 01 TIME 17 11 25 Enter 1 2 or Pres
27. G STATE FUNCTION CONDITION DIS Frame ground not connected to signal Factory setting CON Frame ground connected to signal ground CHASS1 is located on the main PC board 73 APPENDIX A DIP SWITCH SETTING This page left blank intentionally 74 Appendix B Connectors amp I F Modules B 1 T1 DS1 LINE CONNECTORS B 1 1 D 15 connector The T1 DS1 link D 15 connector conforms to AT amp T Pub 62411 The physical interface is a 15 pin female D type connector Designation Direction From TTU02 MUX Function Transmit data lt Frame ground To TTU02 MUX Receive data Frame ground 1 2 3 4 5 6 7 8 9 From TTU02 MUX Transmit data TTU02 MUX Receive data N 95 ER P Table B 1 T1 DS1 DB 15 connector pin allocation 1 2 RJ 45connector 8 Conn Pin Designation Direction Function 5 TTIP From TTU02 MUX Transmit data 4 TRING From TTU02 MUX Transmit data RJ 45 2 RTIP To TTU02 MUX Receive data 1 RRING To TTU02 MUX Receive data 7 8 FG e Shield Ground Table B 2 T1 DS1 RJ 45 connector pin allocation 75 Appendix B Connectors amp I F Modules B 2 X 21 USER DATA CHANNEL CONNECTOR When TTUO2 MUX is ordered with an X 21 interface the physical interface is a 15 pin female D type connector wired in accordance
28. HAPTER 5 TEST and DIAGNOSTICS ML SIG LOSS Loss of main link receive Check cable connections to the main ON OFF signal link connector Check other equipment providing the link to the TTU02 MUX ML SYNC LOSS Loss of main link frame Check cable connections to the main ON OFF sync link connector Check other equipment providing the same frame link to the TTU02 MUX Replace the TTU02 MUX ML ERROR Bipolar violations inthe Check that line attenuation does not main link receive signal Updated once per second exceed that specified for T1 DS1 line Check other equipment providing the same line code to the TTU02 MUX ML CRC 6 ERROR CRC 6 errors detected in main link receive signal Updated once per second Check other equipment providing the ON same frame link to the TTUO2 MUX ML FRAME SLIP Main link frame slips Incorrect selection of master clock detected Updated once source per second Problem with the equipment connected to the remote end of the link unstable clock source ML AIS Main link receiving an Problem with the equipment ON OFF ones signal connected to the remote end of the link SL SIG LOSS Loss of sub link receive Check cable connections to the sub ON OFF signal link connector Check other equipment providing the link to the TTU02 MUX SL SYNC LOSS Loss of sub link frame Check cable connections to the sub ON OFF sync link connector Check other equ
29. INK PARAMETER Press ENTER and the MAIN LINK sub menu will be displayed Main Link sets the frame type idle code Line Code RAI and LBO state for the main T1 DS1 link of the TTUO2 MUX Use the arrow keys to browse the individual link parameters frame Idle code etc Press ENTER on the parameter 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 FRAME D4 SF ESF or UNFRAME D4 SF default IDLE CODE any hex code from 00 to FF 7E default LINE CODE B8ZS or AMI B8ZS default RAI Remote Alarm Indicator DISABLE or ENABLE DISABLE default LBO lt 133ft 0dB 133 266ft 266 399ft 399 533ft 533 655ft 7 5dB 15dB 22 5dB 133ft 0dB default For transmission of unframed data select UNFRAME for the main T1 DS1 link In this case all the Data Ports except CH1 are disabled the data rate of CH1 is automatically set to 1 544 Mbps 3 3 4 Sub Link Parameter Detail The following screens show the setup screens under the Sub Link Parameter Screen SUB LINK PARAMETER Press ENTER and the SUB LINK sub menu will be displayed Sub Link sets the frame type idle code Line Code LBO and RAI state for the T1 DS1 sub link of the TTUO2 MUX The parameters and settings for the T1 DS1 sub link are the same as for the Main Link above 21 CHAPTER 3 FRONT PANEL OPERATION 3 3 5 Timeslot Mappin
30. OOPBACK PARAMETER menu The available test functions are described in the following pages 64 Version 1 0b Release Mar 2003 CHAPTER 5 TEST and DIAGNOSTICS Main link local analog loopback The Main link local analog loopback is performed by connecting the main link transmit signal to the input of the receive path on the analog side CSU as shown in Figured 5 1 This returns the transmit signal of each port on the receive path of the same port Each channel including sub link must receive its own transmission This loopback fully tests the local TTU02 MUX operation and the connections to the local DTE During this loopback the TTUO02 MUX main link sends an unframed all ones signal to the remote equipment Before connecting this loopback disconnect the LAN cable from any rear panel Ethernet Bridge interface module LOCAL TTU02 MUX T1 Transmission Figure 5 1 Main link local analog loopback Main link local digital loopback Main link local digital loopback is performed by connecting the main link receive signal to the output of the transmit path on the analog side CSU This loopback test checks the performance of the local TTU02 MUX the remote 02 and the connections between them as shown in Figured 5 2 LOCAL TTUO2 MUX T1 Transmission MAIN LINK Figure 5 2 Main link local digital loopback 65 Version 1 0b Release Mar 2003 CHAPTER 5 TEST and DIAGNOSTICS Main link local payl
31. PERATION To change the frame type enter 1 3 To exit and leave the setting unchanged press ESC lt lt Define Main Link Parameter gt gt 1 FRAME 25 IDLE CODE 3 RAI 4 LINE CODE 5 LBO Enter 1 5 or Press ESC to previous menu To define the Idle code for the main T1 DS1 link enter 2 lt lt Define Main Link Idle Code gt gt Idle Code 7E Enter Code 00 FF Enter the new Idle code with the hex value 00 FF or to exit press ESC lt lt Define Main Link Parameter gt gt 1 FRAME 2 IDLE CODE 3 RAI 4 LINE CODE 5 LBO Enter 1 5 or Press ESC to previous menu To enable or disable the Remote Alarm Indicator press 3 lt lt Define Main Link RAI Parameter gt gt RAI DISABLE 1 Disable 2 Enable Enter 1 2 or Press ESC to previous menu Press 1 to disable 2 to enable RAI or press ESC to exit without changing 38 CHAPTER 4 CONTROL PORT OPERATION lt lt Define Main Link Parameter gt gt 1 FRAME 2 IDLE CODE 3 RAI 4 LINE CODE 5 LBO Enter 1 5 or Press ESC to previous menu To change the Line Code press 4 lt lt Define Line Code Parameter gt gt Line Code B8ZS 1 B8ZS 2 3 AMI Enter 1 2 or Press ESC to previous menu Press 1 to define a Line Code of B8ZS press 2 to define a Line Code of AMI or press ESC lt lt Defi
32. Port 6 Control Port EE 8 9 4 Enter 1 9 or Press ESC to previous menu 32 CHAPTER 4 CONTROL PORT OPERATION To display the Time Slot mapping details enter 4 lt lt Display Time Slot Mapping gt gt SLOT 0102 03 04 05 06 07 08 TYPE Cl Cl G2 62 G3 C3 C4 SLOT 0910 11 12 13 14 15 16 TYPE SD SD NC NC NC NC NC NC SLOT 1718 19 20 21 22 23 24 TYPE NC NC NC NC NC NC NC NC NC No define 1 4 Channel 1 4 SD Sub Link Data SV Sub Link Voice Press ESC to previous menu The Time Slot mapping display shows the assignments for all of the 24 timeslots of the T1 DS1 frame All timeslots 1 24 are shown with the assigned abbreviations shown directly beneath To return to the previous display enter ESC lt lt Display System Status gt gt Timing Main Link Sub Link Time Slot Data Port Control Port Alarm Buffer BERT Test Result TTU 02 Information ct ct lt lt PWN 2 Enter 1 9 or Press ESC to previous menu To display the Data Port parameter settings for each channel module enter 5 lt lt Display Data Port Parameter gt gt PORT TYPE CLOCK MULTI CTS V 54 SPEED 1 V 35 DCE N64 ON OFF 128Kbps 2 v 35 DCE N64 ON OFF 128Kbps 3 NC DCE N64 ON OFF 128Kbps 4 NC DCE N64 ON OFF 128Kbps Press ESC to previous menu Enter ESC to return to the Display System Status menu
33. USER MANUAL TTUOQ2 MUX Fractional 2 or 4 Port Multiplexer CTC Union Technologies Co Ltd ISO goo The information contained in this document is subject to change without prior notice TRADEMARKS Microsoft is a registered trademark of Microsoft Corp HyperTerminal is a registered trademark of Hilgraeve Inc WARNING This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference in which case the user will be required to correct the interference at his own expense NOTICE 1 The changes or modifications not expressively approved by the party responsible for compliance could void the user s authority to operate the equipment 2 Shielded interface cables and AC power cord if any must be used in order to comply with the emission limits CISPR PUB 22 Class A COMPLIANCE This device complies with EMC directive of the European Community and meets or exceeds the following technical standard EN 55022 Limits and Methods of Measurement of Radio Interference Characteristics of Information Technology Equipment This device comp
34. UX Serial codirectional data at the output of the TTU02 MUX receiver Table B 8 G 703 64K Codirectional data channel connector pin allocation 8l Appendix B Connectors amp I F Modules B 8 NRZ BNC USER DATA CHANNEL CONNECTOR When the TTU02 MUX is ordered with NRZ BNC interface the physical interface is four 4 female BNC type connectors wired in accordance with Table B 9 CIRCUIT DIRECTION DESCRIPTION Transmitted TD TTU02 MUX Serial NRZ data from DTE Data Received RD Fm TTUO2 MUX Serial NRZ data at the output of the Data TTU02 MUX receiver Transmit TC To TTU02 MUX Transmit timing signal Timing Received RC Fm TTU02 MUX Received timing signal Timing Table B 9 NRZ BNC user data channel connector pin allocation 82 Appendix B Connectors amp I F Modules 9 RS 232 ALARM PORT CONNECTOR The TTU02 MUX RS 232 ALARM port has a standard RS 232 DCE interface terminal in a 9 pin female D type connector wired in accordance with Table B 10 RS 232 Function Data Carrier Detect DCD Direction Output Connected to Terminal DB25 Alarm Relay function Receive Data RD Output Transmit Data TD Input Normally closed NC Signal Ground Common contact COM Request To Sent RTS Input Clear To Sent CTS Output Normally open NO Table B 10 RS 232 ALARM port connector pin alloca
35. a transmission is desired Fm TTUO2 MUX Constantly ON Fm TTUO2 MUX Constantly ON Except during test loops To TTU02 MUX DTR not used used for a received serial data rate clock input from the DTE Fm TTUO2 MUX Constantly ON except when a loss of the received carrier signal is detected To TTU02 MUX A transmitted data rate clock input from the data source Fm TTUO2 MUX A transmitted data rate clock for use by an external data source Fm TTUO2 MUX A received data rate clock for use by an external data source To TTU02 MUX When on commands TTUO2 MUX into remote loopback can disable by DIPSW To TTU02 MUX When on commands TTUO2 MUX into local loopback can disable by DIPSW Fm TTUO2 MUX ON during any test mode Table B 6 RS 232 user data channel connector pin allocation 79 Note The RS 232 module is designed for synchronous transmissions Asynchronous signals may be used also Please multiply the baud rate by 3 5 and apply the required number of 64Kbps timeslots A 19 200 baud will require one timeslot For 33 6k 33 600x3 5 117 600 two 64K timeslots 117 600 64 000 1 8375 2 would be required Appendix B Connectors amp I F Modules B 6 RS 530 to RS 449 ADAPTER CABLE When the TTUO2 MUX is ordered with an RS 449 interface the physical interface is a 37 pin male D type connector wired in accordance with Table B 7 RS 530 RS 4
36. aight crossover LAN table 10 000 MAC address w 5 second automatic aging Filtering and Forwarding 15 000 frames sec Buffer 256 frames Delay 1 frame CHAPTER 1 INTRODUCTION G 703 64K Co directional interface Compliance with Line code Line Interface Connectors Range Impedance ITU T G 703 64Kbps Co direction line code 4 wires one symmetric pair for each direction 15 pin D type female Up to 800 meters 0 5 miles 120 ohms Peak voltage of a mark pulse Nominal 1 0V 10 Peak voltage of a space no pulse OV 0 10V Single pulse width Double pulse width Clock frequency Frequency tracking Frame format Setup Configuration LCD Pushbutton Switches LED indicators PWR Red Alarm Sync Loss Yellow Alarm Red Alarm Sync Loss Yellow Alarm CH1 CH4 Error Test Green Red Red Red Red Red Red Yellow Red Red Nominal 3 9us Nominal 7 8us 64 Kbps 100ppm Unframed only 2 rows of 16 characters Menu ESC Left Arrow Right Arrow Enter Power T1 DS1 link signal loss T1 DS1 link sync loss T1 DS1 link Remote alarm Sub T1 DS1 link signal loss Sub T1 DS1 link sync loss Sub T1 DS1 link Remote alarm RD TD activity indicators for Data Channels Bit errors steady ON Unit in Loopback or BERT pattern test on flashing Unit in Loopback from remote unit 10 CHAPTER 1 INTRODUCTION Diagnostic tests Test loops Main link local analog loopback Main link local digital
37. cept during test loops DTR To TTU02 MUX Not used DCD Fm TTUO2 MUX Constantly ON except when a loss of the received carrier signal is detected ETC A ETC B To TTU02 MUX A transmitted data rate clock input from the data source TC A TC B Fm TTU02 MUX A transmitted data rate clock for use by an external data source RC A RC B Fm TTU02 MUX A received data rate clock for use by an external data source ERC A ERC B To TTU02 MUX A received serial data rate clock input from the DTE RL To TTU02 MUX When on commands TTU02 MUX into remote loopback can disable by DIPSW To TTU02 MUX When on commands TTU02 MUX into local loopback can be disabled by DIPSW Test Indicator Fm TTUO2 MUX ON during any test mode Table B 4 V 35 user data channel connector pin allocation 77 Appendix B Connectors amp I F Modules B 4 RS 530 USER DATA CHANNEL CONNECTOR When the TTU02 MUX is ordered with an RS 530 interface the physical interface is a 25 pin female D type connector wired in accordance with Table B 5 CIRCUIT DIRECTION lt gt DESCRIPTION Chassis ground May be isolated from signal ground lt gt Common signal ground To TTU02 MUX Serial digital data from DTE Fm TTU02 MUX Serial digital data at the output of the TTUO2 MUX receiver To TTU02 MUX A ON signal to the 77U02 MUX whe
38. d Chapter 4 for serial console port operating information 2 2 SITE PREPARATION Install the TTUO2 MUX within reach of an easily accessible grounded AC outlet The outlet should be capable of furnishing 90 to 250 VAC Allow at least 10cm 4 inch clearance at the rear of the TTUO2 MUX for signal lines and interface cables 2 3 MECHANICAL ASSEMBLY The TTU02 MUX 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 ears No provisions are made for bolting the TTU02 MUX to a tabletop 2 4 ELECTRICAL INSTALLATION 2 4 1 Power connection AC power is supplied to the TTU02 MUX through a standard IEC 3 prong plug Refer to Figure 2 1 The TTUO2 MUX should always be grounded through the protective earth lead of the power cable The line fuse is in an integral type fuse holder with the IEC power connector located on the rear panel Make sure that only fuses of the required rating are used for replacement Do not use repaired fuses or short circuit the fuse holder Always disconnect the power cable before removing or replacing the fuse 2 4 2 Rear panel connectors The data channel module interfaces install into the rear panel from inside the TTU02 MUX Refer to Figure 2 1 and consist of a DB15pin connector for X 21 and G 703 64K DB25pin connector for RS 530 and RS 232 34 pin MB34 connec
39. e the ENTER function key to set a parameter of a selection or to enter a sub menu 17 CHAPTER 3 FRONT PANEL OPERATION 3 3 LCD MENU OPERATION 3 3 1 Top Level Menus The following are the MAIN MENUs top level Press an arrow key to select another Main Menu or press ENTER to reach a sub menu Set the Frame type idle code Line code RAI and LBO for main T1 DS1 link Set the Frame type idle code Line code RAI and LBO for T1 DS1 sub link Assign the T1 DS1 timeslots to the Data Channels and or T1 DS1 sub link Data Port Informational screen and settings for Clock Mode Handshaking and multiplier n56K or n64K Setup for the terminal console port baud rate Default is 9600 8bit no parity Enable main link sub link or data channel Loopback 18 CHAPTER 3 FRONT PANEL OPERATION Enable BERT select channel select pattern do error insertion and check results Display and set the date and time for the internal real time clock of the TTU02 MUX Set the mode of the LCD backlight either Off On or Auto Display and or Clear the Alarm Buffer 19 CHAPTER 3 FRONT PANEL OPERATION 3 3 2 System Parameter Detail The following screens show the setup screens under the System Parameter Main Screen SYSTEM PARAMETER Press ENTER MASTER TIMING sub menu will be displayed Master Timing sets the source for the timing in the TTU02 MUX Pressing ENTER again
40. ect end to end integrity testing The Error indicator flashes for each bit error detected Multiple clock source selection provides maximum flexibility in connecting both the T1 DS1 and user interfaces The T1 DS1 link may be clocked from the T1 DS1 recovered receive clock main T1 DS1 link or sub T1 DS1 link from any one of the user data ports or from the internal oscillator TTU02 MUX has following master timing modes MAIN LINK Timing is recovered from the main T1 DS1 link SUB LINK Timing is recovered from the TI DS1 sub link INT OSC Timing is provided by the internal oscillator of the TTU02 MUX LINK Timing is recovered from the Data Channel 1 CH2 LINK Timing is recovered from the Data Channel 2 CH3 LINK Timing is recovered from the Data Channel 3 CH4 LINK Timing is recovered from the Data Channel 4 The TTU02 MUX data channel interface has four clocking modes Mode 1 DCE DCE interface The TTU02 MUX provides the transmit and receive clocks to the user s equipment connected to the data channel Mode 2 DTE 1 DTE interface The TTUO2 MUX data channel accepts the user transmit clock and provides a receive clock Recovered timing to the user s equipment connected to the data channel Mode 3 DTE 2 DTE interface The TTUO2 MUX data channel accepts the user transmit clock from ETC pin and receive clock from ERC pin provided by the user s equipment connector to the data channel The Mode 3 DTE 2
41. error rate testing on both the synchronous data channel or the T1 DS1 sub link using a locally generated pseudo random sequence To provide compatibility with other BERT equipment you may define the pseudo random pattern 5 2 STATUS INDICATORS AND MESSAGES Indicators The status of the TTU02 MUX is indicated by viewing the Red Alarm Sync Loss Yellow Alarm Error and Test LED indicators User data channel activity is indicated by the corresponding RD and TD LED indicators Table 5 1 LED indicators Indicator Color Function PWR Green ON when power is on Red Alarm Red ON when received signal is lost main T1 DS1 amp sub T1 DS1 Sync Loss Red ON when received frame sync is lost main T1 DS1 amp sub T1 DS1 Yellow Alarm ON when main T1 DS1 or sub T1 DS1 has a remote alarm RAI RD Yellow ON when SPACE is being received CH1 CH2 CH3 CH4 Off when MARK is being received Flashing when data is received TD Yellow ON when SPACE is being transmitted CH1 CH2 CH3 CH4 Flashing when data is transmitted Error Red ON when BERT function is activated and detects bit errors Test Red ON when the TTU02 MUX is in any loopback mode or BERT function is on Flashing when local unit is in loopback initiated from the remote unit 61 CHAPTER 5 TEST and DIAGNOSTICS Display The TTU02 MUX maintains an alarm buffer The buffer can store one alarm event of each type al
42. f BERT lt lt Bert Test Function gt gt Function OFF Lie 2 ON Enter 1 2 or Press ESC to previous menu Press ESC 55 CHAPTER 4 CONTROL PORT OPERATION lt lt Bert Test Parameter Function OFF Pattern ALT 1 Function 2 Channel 3 Pattern 4 Error Insert 5 Result Enter 1 5 or Press Press ESC again Channe Error gt gt CH2 ESC to previous menu lt lt Define Test Mode Function gt gt 1 LoopBack Test 2 Bert Test Enter 1 2 or Press ESC to previous menu Press ESC one last time to reach to top level menu Insert SINGLE Ck CA Ck Ck KC CK CK CK KK KKK KK KKK KKK KKKEKK KKK KK Kx kA Kk KR AX KK ko ko CTC UN Test Reset EXIT 5 WN ON TECHNOLOGIES CO LT TTU 02 TERMI NAL MODE SETUP MENU Ver 1 00 Ck CK C CK CC CC CC CC CC CC CCS C S S S M KG Kx kx koX unction Paramet Password Data to Default DATE 1999 05 03 TIME Display System Status Define System Paramet Cer Eek 16 15 49 Enter 1 6 to select function 56 D CHAPTER 4 CONTROL PORT OPERATION The following is an example of Password setting for the TTU02 MUX Press 4 lt lt Password gt gt Tes Set Password 2 Clear Password Enter 1 2 or Press ESC to previous menu En
43. f loopback 48 Version 1 0b Release Mar 2003 CHAPTER 4 CONTROL PORT OPERATION Press ESC and the status will again be displayed lt lt Define LoopBack Main Link LoopBack LOOP Channel 1 LoopBack LOOP Channel 3 LoopBack LOOP Main Link Sub Link Channel Channel Channel Channel 4 WN FE Test Port gt gt BACK OFF Sub Link LoopBack LOOPBACK OFF BACK OFF Channel 2 LoopBack LOOPBACK OFF BACK OFF Channel 4 LoopBack LOOPBACK OFF All Channel LoopBack OFF Enter 1 7 or Press ESC to previous menu Press ESC to back out to the Define Test Mode menu lt lt Defin e Test Mode Function gt gt 1 LoopBack Test 2 Bert Test Enter 1 2 or Press ESC to previous menu Select item 2 to define the BERT test The display shows that BERT function is OFF but is set to run on Channel 1 with the 511 pattern lt lt Bert Function Test Parameter gt gt OFF Channel CH Pattern 511 Error Insert NONE Function Channel Pattern Error Result Po r2 Insert Enter 1 5 or Press ESC to previous menu 49 CHAPTER 4 CONTROL PORT OPERATION To start BERT function select item 1 lt lt Bert Test Function gt gt Function OFF 1 OFF 2 ON Enter 1 2 or Press ESC to previous menu Enter 2 to Start the BERT function Enter 1 to Stop BERT function The next screen will
44. g Detail The following screen is an example of the screen under Timeslot Mapping TIME SLOT MAPPING Press ENTER Press ENTER again The T1 DS1 frame is shown with 24 timeslots top row left to right bit TS 1 15 while the bottom row displays the settings for TS16 24 Press ENTER to move to the next TS use the arrow keys to assign the timeslot as follows F F bit N not assigned 1 Data Channel 1 2 Data Channel 2 3 Data Channel 3 4 Data Channel 4 D Data on T1 DS1 sub link V Voice on T1 DS1 sub link 3 3 6 Data Port Parameter Detail The following shows the setup screens under the Data Port Parameter Screen 22 CHAPTER 3 FRONT PANEL OPERATION Use the arrow keys to display information for the other Data Port channels The first line shows the port number followed by the interface type and clock mode The second line shows that channel s multiplier value 56k or 64k and the bandwidth used by the channel In the above display channel is using an V 35 interface clock mode set to DCE 64k multiplier and 128kbps bandwidth While in the Data Port display only the clock mode handshaking and multiplier values are user settable The interface type is auto detected and the data bandwidth is calculated by multiplying the multiplier value times the number of timeslots assigned to the channel under the Timeslot Mapping screen Pressing ENTER again will bring up the individual Data P
45. he Microsoft Windows 9X operating systems is HyperTerminal Set the properties to match the TTUO2 MUX control port defaults as follows Baud 9600 Data bits 8 Parity None Stop bits 1 and handshaking none Make the appropriate connections start the terminal application apply power to the TTUO2 MUX then press ENTER on the PC keyboard If you are using HyperTerminal TV the display should look like the following ctcu HyperTerminal ioj File Edit View Cal Transfer Help Dl 518 ele CTC UNION TECHNOLOGIES CO LTD TTU 82 TERMINAL MODE SETUP MENU Ver 1 8 Display System Status Define System Parameter Test Function Parameter Password Reset Data to Default EXIT DATE 1999 94 18 TIME 21 10 47 Enter 1 6 to select function Connected 0 05 51 1100 9600 amp N 1 SCROLL GAPS Capture Pant echo Figure 4 1 Example of terminal display 29 CHAPTER 4 CONTROL PORT OPERATION 4 3 Menu System Detail The menu systems are displayed in the same order and with the same parameters as those in the LCD display The following 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 KK
46. he signaling frames Extended Super Frame format ESF An extended super frame consists of twenty four frames The ESF uses the F bits for the following functions A 2 kbit s frame pattern sequence FPS The FPS is used to identify the frame and the extended super frame boundaries When the 192 information digit time slots are channelized the FPS is used to identify the signaling frames A 4 kbit s data link DL The ESF DL is for carrying performance information and control signals A 2 kbit s cyclic redundancy check CRC channel This channel carries a CRC 6 code T1 DS1 line signal The basic T1 DS1 line signal is coded using the Alternate Mark Inversion AMI or B8ZS rule CHAPTER 1 INTRODUCTION In the AMI format ones are alternately transmitted as positive and negative pulse whereas zeros are transmitted as a zero voltage level AMI is not used in most 1 544Mbps transmissions because synchronization loss occurs during long strings of data zeros In the B8ZS format a string of eight consecutive zeros is replaced with a substitute string of pulses containing an intentional bipolar violation The B8ZS code substitutions provide high pulse density so that the receiving equipment is able to maintain synchronization with the received signal 1 5 TTU02 MUX Capabilities T1 DS1 link line coding TTU02 MUX supports two T1 DS1 line codes AMI coding B8ZS coding T1 DS1 framing formats
47. ill be inserted 53 CHAPTER 4 CONTROL PORT OPERATION Press ENTER inserts an error lt lt Bert Test Error Insert gt gt Press ENTER to insert single error or ESC to previous menu Press ESC lt lt Bert Test Error Insert gt gt Error Insert SINGLE 1 NONE 2 SINGLE 3 10e 1 4 10e 2 5 10e 3 6 7 8 9 10 4 10 5 10 6 10 7 Enter 1 9 or Press ESC to previous menu Press ESC again to the Parameter results screen lt lt Bert Test Parameter gt gt Function ON Channel CH2 Pattern ALT Error Insert SINGLE 1 Function 2 Channel 3 Pattern 4 Error Insert 5 Result Enter 1 5 or Press ESC to previous menu To view the results of BERT testing press 5 lt lt Display BERT Test Results gt gt Rx Bit 0 Rx Error Bit 0 Rx Error Rate 0 0e 00 Press ESC to previous menu 54 CHAPTER 4 CONTROL PORT OPERATION After viewing the BERT results press ESC lt lt Bert Test Parameter gt gt Function ON Channel CH2 Pattern ALT Error Insert SINGLE 1 Function 2 Channel 3 Pattern 4 Error Insert 5 Result Enter 1 5 or Press ESC to previous menu To turn off the BERT function call up the function menu Press 1 lt lt Bert Test Function gt gt Function ON ls 2 ON Enter 1 2 or Press ESC to previous menu Press 1 to turn of
48. iming 2 Back Timing Enter 1 2 or Press ESC to previous menu To define the fallback timing enter 2 lt lt Define Back Timing Parameter gt gt Back Timing 2 OSC 1 Main Link Dix Sub Link 3 INT OSC Enter 1 3 or Press ESC to previous menu The display shows that the fallback timing is currently derived from the internal oscillator To change select one of the appropriate choices from 1 3 or to exit without changing press ESC 36 CHAPTER 4 CONTROL PORT OPERATION lt lt Define Timing Parameter gt gt 1 Master Timing 2 Back Timing Enter 1 2 or Press ESC to previous menu Enter ESC to leave the Timing Parameter menu and return to Defining System Parameters lt lt Define System Parameter gt gt Timing Main Link Sub Link Time Slot Data Port Date amp Time PWN Enter 1 6 or Press ESC to previous menu To define system parameters for the main T1 DS1 link enter 2 lt lt Define Main Link Parameter gt gt 1 FRAME 2 IDLE CODE 3 RAI 4 LINE CODE 5 LBO Enter 1 5 or Press ESC to previous menu To define the Frame type for the main T1 DS1 link press 1 lt lt Define Main Link Frame Parameter gt gt Frame DA SF 1 D4 SF 2 ESF 34 UNFRAME Enter 1 3 or Press ESC to previous menu The current frame type setting is DA SF 37 CHAPTER 4 CONTROL PORT O
49. ing ENTER will reset all parameters to the factory defaults and clear the clock Press ESC to exit without resetting Following a reset the following message is displayed Already Reset Data to Default Press ESC 58 CHAPTER 4 CONTROL PORT OPERATION KKEKKKKKKKKKK KKK KKK KK KKK KKK KK KKK KK KKK KKKKKKKK CTC UNION TECHNOLOGIES CO LTD AROGA TORIS TTU 02 TERMINAL MODE SETUP MENU Ver 1 00 XC CK C CK CK CCS CC CCS CS CK S S S E E Kx A kx A KG X Display System Status Define System Parameter Test Function Parameter Password Reset Data to Default EXIT NOP WN DATE 1999 03 01 TIME 00 00 05 Enter 1 6 to select function To exit the terminal mode press 6 The terminal connection will be dropped and the following will be displayed SCONNECTED TTU 02 TERMINAL MODE IS This completes the detailed examples of terminal mode operation for the TTU02 MUX 59 CHAPTER 4 CONTROL PORT OPERATION This page left blank intentionally 60 CHAPTER 5 TEST and DIAGNOSTICS 5 1 GENERAL The TTU02 MUX diagnostics functions include Status indications and messages User activated loopback Integrated Bit Error Rate Test BERT The loopback tests are activated via the user data port front panel LCD interface or from the console terminal menu TTU02 MUX also offers bit
50. ipment providing the same frame link to the TTUO2 MUX Replace the TTU02 MUX 63 CHAPTER 5 TEST and DIAGNOSTICS SL ERROR Bipolar violations in the sub link receive signal Updated once per second Check that line attenuation does not ON exceed that specified for T1 DS1 line Check other equipment providing the same line code to the TTU02 MUX SL CRC 6 ERROR CRC 6 errors detected in sub link receive signal Updated once per second Check other equipment providing the ON same frame link to the TTUO2 MUX SL FRAME SLIP Sub link frame slips are Incorrect selection of master clock detected Updated once source per second Problem with the equipment connected to the remote end of the link unstable clock source SL AIS Main link receiving all Problem with the equipment ON OFF ones signal 5 3 USER activated loopback connected to the remote end of the link TTU02 MUX supports the following types of test loopbacks Main link local analog loopback Main link local digital loopback Main link local payload loopback Main link In Band LLB Main link Out Band LLB Main link Out Band PLB Sub link local analog loopback Sub link local digital loopback Sub link local payload loopback Sub link In Band LLB Sub link Out Band LLB Sub link Out Band PLB Channel 1 4 local loopback Channel 1 4 remote loopback The user activated loopback functions are accessed from the L
51. l USER DATA CHANNEL CONNECTOR 81 B 8 NRZ BNC USER DATA CHANNEL CONNECTOR 82 B 9 RS 232 ALARM PORT CONNECTOR 83 10 0 IOBASE T BRIDGE USER DATA CHANNEL CONNECTOR 84 11 ET10 100 100BASE TX BRIDGE I F MODULE 4 2 2 2 85 B 12 ETIOR 1OBASE T ROUTING I F MODULE 2 2 86 CHAPTER 1 INTRODUCTION 1 1 INTRODUCTION The TTU02 MUX provides an economical multiplexing solution for T1 DS1 and Fractional T1 DS1 network services Up to two or four depending on model DTE devices may be linked to TTUO2 MUX at data rates of 56Kbps to 1544Kbps TTU02 MUX also has a provision for one optional T1 DS1 sub link which may be connected over a public T1 DS1 network The T1 DS1 sub link will perform Drop amp Insert with user defined timeslot connections from a PABX or other TI DS1 equipment to T1 DS1 network services TTU02 MUX supports local control and diagnostics via the LCD display keypad and LED status indicators located on the front panel via the serial console port connection or via the optional Ethernet SNMP port The optional SNMP port provides SNMP Simple Network Management Protocol System functions which allow the user to remotely control and diagnose the system These features enable users to easily configure the unit execute the in service diagnostics and m
52. led 2 With the filter disabled the ET10 essentially becomes only a repeater 84 Appendix B Connectors amp I F Modules B 11 ET10 100 Ethernet Bridge Module Utilizes standard pin out on one RJ 45 connector providing connection to Ethernet 10Base T or Fast Ethernet 100Base TX networks utilizing UTP unshielded twisted pair cabling 2 WOOL Table 12 ET10 100 pin allocation DIP Switch Settings LED Indicators Function Enable MAC filtering Disable Filtering repeater Enable 802 3x flow control Disable 802 3x flow control NO Auto negotiation Designation Indication Full yellow ON Full Duplex Link green ON LAN Link Error red ON LAN Error 100M yellow ON Fast Ethernet Receive yellow ON LAN Rx data Transmit yellow ON LAN Tx data Half Duplex Table B 12 c LED indicators Full Duplex IOBASE T LAN speed 100BASE TX LAN speed Enable Auto MDIX Auto negotiation MDI 1 1 to HUB Memory configuration 1 Memory configuration detail Memory configuration 2 1 LAN to WAN 308 packets WAN to LAN 32 packets 2 LAN to WAN 170 packets WAN to LAN 170 packets Memory configuration 3 T 3 LAN to WAN 32 packets WAN to LAN 308 packets Reserved Table B 12 b DIP switch settings factory default settings no effect when sw3 is off auto negotiation is on
53. lies with CISPR Class A WARNING This is a Class A product In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures CE NOTICE Marking by the symbol CE indicates compliance of this equipment to the EMC directive of the European Community Such marking is indicative that this equipment meets or exceeds the following technical standards EN 55022 1994 1 1995 2 1997 Class A and EN61000 3 2 1995 EN61000 3 3 1995 and 50082 1 1997 CTC Union Technologies Co Ltd Far Eastern Vienna Technologies Center Neihu Technology Park 9F No 60 Zhouzi Street Neihu Taipei Taiwan Phone 886 2 2659 1021 Fax 886 2 2799 1355 E mail info ctcu com http www ctcu com TTU02 MUX 4 Port MUX Fractional T1 DS1 Installation and Operation Manual Version 1 0 Sep 2000 Printing Version 1 0b Mar 2003 Printing Version 1 0c June 2004 Printing updating the latest I F modules This manual supports the following models TTUO2 MUX 2 XX AC 2 Port MUX universal AC TTU02 MUX 4 XX AC 4 Port MUX universal AC TTU02 MUX 2 XX DC 2 Port MUX DC model TTUO2 MUX 4 XX DC 4 Port MUX DC model Important Update Notice Commencing with production of the TTUO2 MUX in March 2000 the Sub Link has become option To incorporate this feature firmware changes were made that moved the MAIN link from the interface card to the mother PCB and SUB link from the mother
54. loopback Main link Payload loopback Main link In Band LLB Main link Out Band LLB Main link Out Band PLB Sub link local analog loopback Sub link local digital loopback Sub link local Payload loopback Sub link In Band LLB Sub link Out Band LLB Sub link Out Band PLB User s channel 1 4 local analog loopback User s channel 1 4 local digital loopback BERT test pattern 511 2 23 1 All ones All zeros ALT Double ALT 11001100 3 in 24 1 in 16 1 in 8 1 in 4 RS 232 Alarm port Port interface V 24 RS 232 asynchronous Port connector 9 pin D type female Data rate 300 1200 2400 4800 9600 and 19200 bps Data format One start bit 8 data bits No parity One 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 45 mm Wiath 430 mm Depth 235 mm Weight 3 5 kg Version 1 0b Release Mar 2003 CHAPTER 1 INTRODUCTION Power supply Voltage 90 250 VAC 24 or 48VDC optional models Frequency 47 to 63 Hz for AC power Power consumption 15 Watts Fuse 0 5A slow blow for VAC Environment Temperature 0 50C 32 122F Humidity 0 to 90 non condensing 12 CHAPTER 2 INSTALLATION 2 1 GENERAL This chapter provides detailed instructions for mechanical installation of the TTU02 MUX Following the completion of installation please refer to Chapter 3 for front panel operating information an
55. n D type Female RJ 45 CHAPTER 1 INTRODUCTION User Data Channels Interfaces Type V 35 X 21 RS 232 RS 530 V 36 RS 449 via adapter cable 10Base T Ethernet Bridge 10 100Base TX Ethernet Bridge G 703 64k Co directional Interface Connectors V 35 Interface 34 pin Female X 21 Interface 15 pin D type Female RS 232 Interface 25 pin D type Female RS 530 Interface 25 pin D type Female RS 449 Interface 37 pin D type Male via adapter cable 10Base T Interface RJ 45 10 100Base TX RJ 45 G 703 64K Interface 15 pin D type Female Line Code NRZ except G 703 64K Co directional line code Data Rate nx56kbps or nx64kbps where n equal 1 to 24 in SF D4 or ESF Clock Modes Clock Mode 1 DCE Receive and transmit clock recovered to the synchronous DTE Clock Mode 2 DTE1 Receive clock to the synchronous and transmit clock from the synchronous device Clock Mode 3 DTE2 Receive and transmit clock from the synchronous DCE from ETC and ERC pin Clock Mode 4 DTE3 Receive and transmit clock from the synchronous DCE all form ETC pin Control Signals CTS constantly ON or follows RTS DSR constantly ON except during test loops DCD constantly ON except during signal loss Time slot allocation User defined Ethernet interface Compliance IEEE 802 3 Interface type 10BaseT for use on UTP and STP media Data rate 10Mbps 20Mbps 10BaseT in full duplex topology Interface Connectors 2 8 pin RJ 45 10Base T str
56. n data transmission is desired Fm TTUO2 MUX Constantly ON Fm TTUO2 MUX Constantly ON Except during test loops To TTU02 MUX DTR not used used for a received serial data rate clock input from the DTE Fm TTUO2 MUX Constantly ON except when a loss of the received carrier signal is detected To TTU02 MUX A transmitted data rate clock input from the data source Fm TTUO2 MUX A transmitted data rate clock for use by an external data source Fm TTUO2 MUX A received data rate clock for use by an external data source To TTU02 MUX When on commands TTUO2 MUX into remote loopback can disable by DIPSW To TTU02 MUX When on commands TTUO2 MUX into local loopback can disable by DIPSW Fm TTUO2 MUX ON during any test mode Table B 5 RS 530 user data channel connector pin allocation 78 Appendix B Connectors amp I F Modules B 5 RS 232 USER DATA CHANNEL CONNECTOR When the TTU02 MUX is ordered with an RS 232 interface the physical interface is 25 pin female D type connector wired in accordance with Table B 6 CIRCUIT DIRECTION lt gt DESCRIPTION Chassis ground May be isolated from signal ground lt gt Common signal ground TTUO2 MUX Serial digital data from DTE Fm TTU02 MUX Serial digital data at the output of the TTUO2 MUX receiver To TTU02 MUX A ON signal to the TTUO2 MUX when dat
57. ne Main Link Parameter gt gt 1 FRAME Zia IDLE CODE 3 RAI 4 LINE CODE 5 LBO Enter 1 5 or Press ESC to previous menu Press 5 to define the LBO Line Build Out lt lt Define Main Link LBO gt gt LBO lt 133 0 lt 133ft 0dqdB 133 266ft 266 399Ft 399 533 533 655 7 5 15dB 22 5dB eT T oF Enter 1 8 or Press ESC to previous menu 39 CHAPTER 4 CONTROL PORT OPERATION Enter 1 8 to set the LBO for the main link or press ESC to leave unchanged Press ESC twice to return to the top of the System Define menu lt lt Define System Parameter gt gt Timing Main Link Sub Link Time Slot Data Port Date amp Time ct ct PWN Enter 1 6 or Press ESC to previous menu To define system parameters for the T1 DS1 sub link enter 3 lt lt Define Sub Link Parameter gt gt 1 FRAME 2 IDLE CODE 3 RAI 4 LINE CODE 5 LBO Enter 1 5 or Press ESC to previous menu As you can see the parameters for sub link are identical to the Main Link parameters Refer to the Main Link parameters as a guide for setting the sub link Press ESC lt lt Define System Parameter gt gt Timing Main Link Sub Link Time Slot Data Port Date amp Time ct NOB WN Enter 1 6 or Press ESC to previous menu 40 CHAPTER 4 CONTROL PORT OPERATION
58. ne screws The PC board designations CN9 CN8 CN7 and CN6 correspond to Data Port modules 1 2 3 and 4 respectively Remove the screws and carefully lift the module off the internal 32 pin connector Install a module with the reverse procedure taking care to properly align the pins seat the board and apply the three screws Visually check that all pins are seated and that none are bent e Slide the PCB assembly back into the outer housing and tighten the thumb screws 15 CHAPTER 2 INSTALLATION This page left blank intentionally 16 CHAPTER 3 FRONT PANEL OPERATION 3 1 GENERAL This chapter describes the TTUO2 MUX controls and indicators and explains operation setup procedures Installation procedures in Chapter 2 must be completed and checked before attempting to operate the TTU02 MUX 3 2 CONTROLS AND INDICATORS All controls push button switches LCD display and LED indicators are located on the TTU02 MUX front panel The momentary on pushbutton switches are used to activate menu selections and select parameter settings a f 2 f vee 8 4 a ust e 6 TEST MAIN TI SUB TI TTUO2 MUX Figure 3 1 TTU02 MUX Front Panel Use the lt and gt function keys to browse the menus and select parameters Use the MENU ESC function key to return to a previous menu or to abandon setup Us
59. oad loopback Main link local payload loopback is performed by connecting the main link receive signal to the output of the transmit path in digital mode DSU side This loopback test checks the performance of the local TTU02 MUX the remote TTU02 MUX and the connections between them as shown in Figured 5 3 LOCAL TTU02 MUX T1 Transmission MAIN LINK Figure 5 3 Main link local payload loopback Sub link local analog loopback Sub link local analog loopback is performed by connecting the sub link receive signal to the output of the transmit path as shown in Figure 5 4 This loopback test checks the connection to the equipment connected to the local sub link The test signal is provided by the equipment connected to the local sub link LOCAL TTU02 MUX T1 Transmission 1 Transmission Figure 5 4 Sub link local analog loopback 66 Version 1 0b Release Mar 2003 CHAPTER 5 TEST and DIAGNOSTICS Sub link local digital loopback Sub link local digital loopback is performed by connecting the sub link transmit signal to the input of the receive path as shown in Figured 5 5 The test signal is provided by the equipment connected to the remote sub link During this loopback the TTUO2 MUX sub link sends an unframed all ones signal to the equipment connected to the local sub link LOCAL TTUO2 MUX T1 Transmission T1 Transmission Figure 5 5 Sub link local digital loopback Sub link l
60. ocal payload loopback Sub link local payload loopback is performed by connecting the sub link receive signal to the output of the transmit path digital mode behind the CSU as shown in Figure 5 6 This loopback test checks the connection to the equipment connected to the local sub link The test signal is provided by the equipment connected to the local sub link LOCAL TTUO2 MUX T1 Transmission T1 Transmission Figure 5 6 Sub link local payload loopback 67 Version 1 0b Release Mar 2003 CHAPTER 5 TEST and DIAGNOSTICS Channel 1 4 local analog loopback Channel local analog loopback is performed by connecting the data channel transmit data TD to the input of the receive path RD as shown in Figure 5 7 The test signal is provided by the local DTE LOCAL TTU02 MUX T1 Transmission Figure 5 7 Channel local analog loopback Channel 1 4 local digital loopback Channel local digital loopback is performed by connecting the local data channel receive data RD to the data channel transmit input TD as shown in Figure 5 8 The test signal is provided by the remote user DTE LOCAL TTU02 MUX T1 Transmission Figure 5 8 Channel local digital loopback 68 Version 1 0b Release Mar 2003 CHAPTER 5 TEST and DIAGNOSTICS Integrated Bit Error Rate Test BERT BERT testing can be performed on only one channel at a time During the test the local DTE is disconnected and the DSR line is off
61. ong with the time of occurrence A minimum of 256 alarms may be displayed on the front panel or the terminal Table 5 2 presents the alarm messages generated by TTU02 MUX Table 5 2 Alarm Message Message Description Corrective Actions Alarm type POWER Power ON OFF time ON OFF BRGI FAILURE The data port CH1 CH4 Check the clock mode of the ON BRG2 FAILURE baud rate generator responding user data channel BRG3 FAILURE failure Only tested at Replace the TTU02 MUX BRG4 FAILURE power on FIFO1 SLIP The data port CH1 CH4 Check the clock mode of the ON FIFO2 SLIP FIFO buffer suffered an responding user data channel FIFO3 SLIP overflow or underflow Replace the TTUO2 MUX FIFO4 SLIP usually caused by inconsistencies in clock rates FALLBACK CLK TTU02 MUX has Check the master clock source ON OFF switched to the backup ML fails when the main link suffers a clock source loss of signal CH1 CH2 CH3 CH4 fails when data channel equipment is disconnected or inoperative SL fails when the sub link suffers a loss of signal DATABASE CS The TTU02 MUX Press ENTER to load the default ON OFF ERR technical failure The data configuration resetting all the base currently stored in parameters the non volatile memory Perform the power up self test and is corrupted replace the TTUO2 MUX if a failure is detected SELF TEST ERR A problem has been Replace the TTU02 MUX ON detected during power on self test 62 C
62. onitor the network status either locally or remotely 1 2 FUNCTIONAL DESCRIPTION TTU02 MUX data channels support user selectable transmission rates which are integer multiples of 56 or 64kbps up to a maximum 1 544Mbps for a line attenuation of up to 36 dB on twisted pair cable An integral LTU is included providing an approximate operating range of up to 655ft using 22AWQ TTU02 MUX packs the data channels into T1 DS1 link time slots in user selected time slots The unused time slots may insert IDLE code The TTU02 MUX has eight types of user replaceable data channel modules which include RS 232 V 35 X 21 RS 530 V 36 10BaseT Ethernet Bridge Voice and G 703 64K Co directional Additionally RS 449 is supported via an adapter cable attached to the RS 530 interface module TTU02 MUX fully meets all of the T1 DS1 specifications including ITU G 703 G 704 G 706 G 733 G 824 AT amp T TR 62411 and ANSI T1 403 TTU02 MUX features V 54 diagnostic capabilities for performing local loopback and remote digital loopback The operator at either end of the line may test both the TTUO02 and the line in the digital loopback mode The loopback is controlled by LCD menu selection serial control port SNMP or by the DTE interface for V 35 RS 232 and RS 530 CHAPTER 1 INTRODUCTION During loopback testing an internal pseudo random test pattern may also be generated according to ITU T for dir
63. ort channel display Use the arrow keys to browse the available settings under the Data Port channel They are Multiplier value N64 or N56 default is N64 Clock mode DCE DTE1 DTE2 DTE3 default is DCE CTS ON or follow RTS default is ON Press the ENTER key to move the cursors to the Multiplier field Select either N64 or N56 using the arrow keys then press ENTER Press the right arrow key to select the Clock Mode screen Press ENTER and use the arrow keys to browse the settings for CLK MODE Press ENTER when the desired mode is shown Use the arrow key to move on to the last parameter setting for CTS Press ENTER to move the cursors to the CTS field Select either ON or RTS using the arrow keys then press ENTER Press the MENU ESC key to back out of the Channel 1 settings Use the arrow key to select the other Channels and follow the same procedure to set multiplier clock mode and handshaking settings 23 CHAPTER 3 FRONT PANEL OPERATION If the Data Port channel module in not installed a display similar to the following will be 3 3 7 Control Port Parameter Detail The following shows the setup screens under the Control Port Parameter Screen CONTROL PORT PARAMETER Press ENTER This screen shows the default settings for the Control Port Only the speed parameter is settable for the Control Port Speed 300 600 1200 2400 4800 9600 and 19200 default is 9600 Data Length fixed at 8 only
64. s ESC to previous menu To define the Date press 1 Enter the 4 digit year followed by the month single digit months must have a leading zero and complete with the day single digit days must have a leading zero lt lt Define Date gt gt YEAR 1900 2099 1999 MONTH 01 12 05 DAY COT gt 03 Following entry of the Date the screen will revert to the Define Date amp Time screen lt lt Define Date amp Time gt gt 1 DATE 2 TIME DATE 1999 05 03 TIME 01 16 59 Enter 1 2 or Press ESC to previous menu To define the time press 2 lt lt Define Time gt gt HOUR 00 23 16 MINUTE 00 59 13 SECOND 00 59 00 Enter the Hour Minutes and Seconds Single digit entries must have a leading zero Press ESC to start the date clock from the entered settings 45 CHAPTER 4 CONTROL PORT OPERATION To return to the upper level menu press ESC lt lt Define System Parameter gt gt Enter 1 6 or Press 1 Timing 2 Main Link 3 Sub Link 4 Time Slo 5 Data Por 6 Date amp Time Press ESC again to reach the top level menu ESC to previous menu Ck CA Ck Ck KC CK KKK KK KKKKK KKK KKK KK KKK KK M KG Kx A Kk KR A ko ko CTC UN Password 5 WN EXIT TTU 02 TERMI ON TECHNOLOGIES CO LTD NAL MODE
65. show the function status lt lt Bert Test Function gt gt Function ON 1 OFF 2 ON Enter 1 2 or Press ESC to previous menu Press ESC Here are the status results lt lt Bert Test Parameter gt gt Function ON Channel CHI Pattern 511 Error Insert NONE Function Channel Pattern Error Insert Result 4 WN TE Enter 1 5 or Press ESC to previous menu 50 CHAPTER 4 CONTROL PORT OPERATION Now we will select a different channel for BERT testing Press 2 lt lt Bert Test Channel gt gt Channel CH1 Channel Channel Channel Channel Sub Link to Main Link Sub Link to Sub Link O01 WN A wN Enter 1 6 or Press ESC to previous menu Enter 2 to select channel 2 for testing lt lt Bert Test Channel gt gt Channel CH2 Channel Channel Channel Channel Sub Link to Main Link Sub Link to Sub Link DOB WN Enter 1 6 or Press ESC to previous menu The results screen will show again lt lt Bert Test Parameter gt gt Function ON Channel 2 Pattern 511 Error Insert NONE Function Channel Pattern Error Insert Result Oe WN HE Enter 1 5 or Press ESC to previous menu 51 CHAPTER 4 CONTROL PORT OPERATION Now select a different pattern for testing Enter 3 lt lt Bert Test Pattern gt gt Pattern 511 511 2047 2 1 051 5 1 2 20 1 QRSS 2e23
66. t e 17 33 LCD MENU OPERATION ee E nae RE 18 CHAPTER 4 CONTROL PORT OPERATION 29 GENERAD lt ES Fee septs 29 42 TERMINAL CONNECTIGON eun n Ren dr PEERS 29 3 MENU SYSTIENLDETXAIT 30 TABLE OF CONTENTS CHAPTER 5 TEST AND DIAGNOSTICS 61 SJ GENERA Ls 61 5 2 STATUS INDICATORS AND MESSAGES 61 5 3 USER ACTIVATED LOOPBACK 64 CHAPTER 6 TROUBLESHOOTING INSTRUCTIONS 71 APPENDIX DIP SWITCH SETTING 73 ADS WI SETTING Sieve Valea meade cet o ocn 73 A 2 JUMPER CHASS1 FRAME GROUND 2 2 73 APPENDIX CONNECTORS amp Modules 75 LINE CONNECTORS esi 75 B 2 21 USER DATA CHANNEL CONNECTOR 2 76 V 35 USER DATA CHANNEL CONNECTOR 12 2 77 4 RS 530 USER DATA CHANNEL CONNECTOR 78 B 5 RS 232 USER DATA CHANNEL CONNECTOR 79 B 6 5 530 to RS 449 ADAPTER CABLE 0202 80 B 7 G 703 64K Codirectiona
67. t on a DB25 pin connector The three test pins have been chosen for loops and test For applications using an RS 232 interface clock mode is selected DTE2 connect the ERC input clock to pins 20 The RS 232 maximum clock rate is 128Kbps 14 CHAPTER 2 INSTALLATION RS 449 interface module Appendix B 5 describes the cabling connection between the RS 530 interface and the DB37 pin RS 449 connector ET 10 Ethernet connector Utilizes both standard and crossover pinouts on two RJ 45 connectors providing connection to Ethernet systems utilizing UTP unshielded twisted pair cabling Cable and Termination Use a shielded twisted pair cable between the TTUO2 MUX and the DTE device The receivers the TTU02 MUX are 100 Ohm terminated For X 21 and RS 530 If problems are encountered with the connection to the DTE interface make sure that the DTE interface is terminated correctly 2 5 DATA Interface Module Replacement 2 5 1 Caution To avoid accidental electric shock disconnect the TTUO2 MUX power cord before opening the cover Access inside the equipment is only permitted to authorized and qualified service personnel only 2 5 2 Procedure Turn power OFF Disconnect the power cord from the AC outlet Loosen the captive thumb screws on the left and right sides of the rear panel Slide the outer housing forward to reveal the main PCB and data modules ao Channel modules are secured with three Philips Head machi
68. ter 1 to set the password lt lt Entry Password gt gt Enter Password 4 Number Enter 1234 Password entry successful Press ESC to previous menu Press ESC lt lt Password gt gt Set Password 2 Clear Password Enter 1 2 or Press ESC to previous menu To clear the password press 2 lt lt Clear Password gt gt Enter Original Password Enter the original password 1234 xxx Password is DISABLED Press ESC to previous menu 57 CHAPTER 4 CONTROL PORT OPERATION Press ESC lt lt Password gt gt 1 Set Password 2 Clear Password Enter 1 2 or Press ESC to previous menu Press ESC back to main menu KKEKKKKKKKKKK KKK KKK KK KKK KKK KK KKK KK KKK kA Kk KR KR koX ERKA CTC UNION TECHNOLOGIES CO LTD ERKA KEKA TTU 02 TERMINAL MODE SETUP MENU Ver 1 00 Display System Status Define System Parameter Test Function Parameter Password Reset Data to Default EXIT 5 WN DATE 1999 05 03 TIME 16 16 12 Enter 1 6 to select function To reset all parameters to the original factory default settings press 5 The following will immediately be displayed RESET TO DEFAULT NUT Press ENTER to confirm or ESC to previous menu Press
69. tion 83 Appendix B Connectors amp I F Modules B 10 ET10 Ethernet Bridge Module When the TTU02 MUX is ordered with an ET10 Interface the unit is not only a multiplexer unit for T1 but also becomes a high performance WAN bridge for 10 Ethernet extension Utilizing both standard and crossover pin outs on two RJ 45 connectors the ET10 provides connection to Ethernet networks utilizing UTP unshielded twisted pair cabling Ethernet interface 10Base T Bridge Specifications Compliance IEEE 802 3 Interface type 10Base T for use on UTP and STP media Data rate 10Mbps 20Mbps 10Base T in full duplex topology Interface Connectors 2 8 pin RJ 45 10Base T straight and crossover LAN table 10 000 MAC address with 5 second automatic aging Filtering and Forwarding 15 000 frames sec Buffer 256 frames Delay 1 frame The physical interface for the ET10 is a RJ 45 connector with the pin assignment as follows Normal Crossover 1 Tx 1 2 Tx 2 Rx 3 Rx 3 Tx 6 Rx 6 Tx DIP Switch Settings LED Indicators FUNCTION Designation Indication R Receive data Transmit data ID factory default E Error L Link MAC Enable Filter MAC Disable Filter Disable Compression Enable Compression Half Duplex Ethernet Full Duplex Ethernet Table B 11 ET10 Dip setting 1 This is the normal mode for bridging with MAC filter enab
70. tor for V 35 and 8pin RJ 45 connectors for the Ethernet interface The T1 DS1 line and T1 DS1 sub link connectors incorporate one DB15pin and one RJ 45 connector each Appendix B provides detailed information on the various interface connectors OFF RS 232 ALARM POWER Figure 2 1 TTU02 MUX rear panel 13 CHAPTER 2 INSTALLATION T1 DS1 Line side DB 15 Connector The pin assignments for DB 15 connector are as follows Pin Function TTIP Transmit data out 9 TRING Transmit data out 3 RTIP Receive data in 11 RRING Receive data in RJ45 connector The RJ45 connector provides the same function as the T1 DS1 line DB15 connector Refer to Appendix B for details Data channel modules V 35 interface module Utilizes standard pin out The three test pins have been chosen for loops and test For applications using an V 35 interface clock mode is selected DTE2 connect the ERC input clock to pins Z A and X 21 interface module For applications using an X 21 interface external clock Clock mode select DTE1 or DTE3 connect the input clock to pins 7 A and 14 B of the DB15 pin connector RS 530 interface module Utilizes standard pin out on a DB25 pin connector The three test pins have been chosen for loops and test For applications using an RS 530 interface clock mode is selected DTE2 connect the ERC input clock to pins 20 A and 23 B RS 232 interface Sync module Utilizes standard pin ou
71. ve clocks recovered timing to the data terminal equipment connected to the user channel The clocks are locked to the master timing e Clock mode 2 DTE 1 The TTU02 MUX data channel supplies the receive clock to the synchronous DCE and accepts a transmit clock from the DCE from the ETC pin The DCE must transmit data at the rate of the clock signal supplied by the TTUO2 MUX This mode is also referred to as transparent timing e Clock mode 3 DTE 2 The TTU02 MUX data channel operates as a DTE and accepts both transmit clock from the ETC pin and receive clock from the ERC pin from the user equipment NOTE The X 21 data channel cannot be operated in clock timing mode 3 DTE2 e Clock mode 4 DTE 3 The TTU02 MUX data channel operates as a DTE and accepts both transmit clock and receive clock both from the ETC pin from the user equipment CHAPTER 1 INTRODUCTION 1 6 TECHNICAL SPECIFICATIONS Main link T1 DS1 and sub link T1 DS1 Framing Unframed Framed SF D4 ESF Bit Rate 1 544 Mbps Line Code AMI B8ZS Line Impedance Balanced 100 ohms Relative Receive Level 0 to 36dB Pulse Amplitude Nominal 3 00V 20 for 100 ohms Zero Amplitude 0 15V Transmit Frequency Tracking Internal Timing 30 ppm Loopback Timing 50 ppm External Timing 100 ppm Jitter Performance According to ITU T G 824 Complies With ITU T G 703 G 704 G 706 and G 733 AT amp T TR 62411 and ANSI T1 403 Interface Connectors 15 pi

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