MSDTU01A/E1 User`s Manual
Contents
1. 7 After the DSL link is established check the E1 setup Both CO amp RT side E1 must be set to use the same Frame Type Both side E1 must also set the same E1 DSL rate parameter Otherwise they may fail to communicate with each other even though the DSL link is ready 8 Follow the DSU CSU manual to set the Frame type clock source and other parameters When the E1 parameters are properly set you are ready to use the high speed connection between the two networks You may test the data transportation speed by using the internal BERT generator and loopback commands 14 Version 1 1 MSDTU01 A E1 SDSL G 703 El CSU Console Operation Starting Hyper Terminal on Windows 95 or Windows NT To Start the Hyper terminal following the steps below 1 Start Hyper terminal program On Windows 95 or Windows NT start Tool Bar gt Program gt Accessory gt Hyper Terminal Group gt Double Click Hypertrm exe gt Enter Connection Name gt Select Icon gt Click OK 2 Select COM port to communicate with the MSDTU01 A E1 Choose direct to COM1 or COM2 gt click OK 3 Setup Port Properties m Port Setting Bit per second 9600 Databits 8 Stop bits 1 Parity bit None Flow Control None m Settings Function arrow and ctrl keys act as Windows keys Emulation Auto detect Back scroll buffer lines 500 m ASCII Setup Echo typed characters locally Line delay 0 milli2. LOOP DSL Test Loopback ALARM DSL Alarm Error LFA DSL Loss of Frame Alignment LOS DSL Loss of Signal POWER Unit Power Applied The LED indicators provide an excellent indication of the communication status and possible link trouble locations when troubleshooting link down problems 7 Version 1 1 MSDTU01 A E1 SDSL G 703 El CSU Rear Panel it Ja i a i iN Et PORN TERNAL WAN RJ11 SDSL for connection to local loop DB9 console port for connection to ASCII data terminal RJ 45 Balanced G 703 E1 Por BNC Unbalanced G 703 E1 Port 10P DIP switch for setting speed CO CPE Timing E1 Framing Nx64 etc Power Jack for connecting to a AC DC power adapter 12VDC 1A 8 Version 1 1 MSDTU01 A E1 SDSL G 703 El CSU Important Safety Instructions The following safety instructions apply to the MSDTUOT A ET 1 2 Be sure to read and follow all warning notices and instructions The maximum recommended ambient temperature for MSDTU01 A E1 is 40 104 Care must be taken to allow sufficient air circulation or space between units when the MSDTU01 A E7 is installed inside a closed rack assembly The operating ambient temperature of the rack environment might be greater than room temperature Installation in a rack without sufficient air flow can be unsafe Racks should safely support the combined weight of all equipment The connections and equipment that supply power to the MSDTUOT A E1 shou
3. 2 WAN Port Transmission Rate 144 Kbps 2320 Kbps SDSL Line I F Data Rate 144 Kbps 2320 Kbps Line Code 2B1Q Line Impedance 135 Q Test Standard ANSI T1E1 413 94 006 ETSI ETR 152 Connection Loops One Pair 2 wire Connector RJ 11 Indicators Power Green LED indicate power and operation LED WAN LOS Red LED DSL Loss of Signal LFA Red LED DSL Loss of Frame Alignment ALARM Red LED DSL Test amp Error status LOOP Red LED DSL in Loopback mode E1 SigLoss Red LED E1 Signal Loss SyncLoss Red LED E1 Sync Loss ALARM Red LED E1 Alarm LOOP Red LED E1 in Loopback mode OAM amp P Local ASCII Terminal via EIA RS 232 Port Temperature 0 C 50 C ENV S Ae Humidity 5 95 Dimensions WxDxH CO RT 213 w mm X 152 d mm X 25 h mm Power Input 12VDC via AC Adapter Elgeta Power Consumption Less than 8 Watts Version 1 1 MSDTU01 A E1 SDSL G 703 El CSU Packing This package shall contain the following items ag amp 2 amp 2 2 22 gt TE 2 AC Adapter 120VAC for North America and 220 240VAC for Europe 3 RS 232 Serial Cable ee 2 DB 9 to DB 9 optional er 4 This User s Guide 6 Version 1 1 MSDTU01 A E1 SDSL G 703 El CSU Appearance Front Panel After connecting all cables and powering on the MSDTUO1 A E1 LED s on the front panel shall indicate the following status LOOP Test Loopback ALARM E1 Alarm SyncLoss ET Sync Loss SigLoss E1 Signal Loss
4. 3 3 4 3 5 3 6 4 1 4 1 4 2 4 3 4 4 4 5 Symbol Rate Indicates the DSL rate in kilobits per second This is normally the data rate plus 16Kbps overhead In Sig Level Indicates the input signal level of the DSL signal Far End Signal Atten An approximate calculation of overall cable signal attenuation in dB Noise Margin Shows Noise Margin value The noise margin is defined as the maximum tolerable increase in external noise that still allows for a BER bit error rate of less than 10 Tx Gain Shows current transmission gain level in decibels Nominal transmit power is 13 5dBm while Tx gain may vary from 1 6dB to 1 4dB Select 3 Loopback Test lt lt Loopback gt gt 1 OFF 4 Isolated 2 PCM PCM 5 HDSL PCM 3 Analog 6 Remote Line Select Number _ Item 1 OFF will turn off any loopback mode Item 2 PCM PCM turns on PCM PCM loopback mode In this mode the E1 signal coming in the Rx terminal is looped to the E1 Tx terminal Item 3 Analog turns on analog loopback mode In this mode the local DSL Tx is looped back to local Rx The DSL cable MUST be disconnected Item 4 Isolated turns on isolated analog loopback This loopback is the same as item 3 except the DSL cable need not be disconnected Item 5 HDSL PCM turns on digital loopback In this mode the remote received DSL signal is looped back to the remote unit 17 Version 1 1 MSDTUO1 A El SDS
5. 64K 576K OFF OFF OFF ON OFF 8 592K 528K 640K ON OFF OFF ON OFF 9 656K 592K 704K OFF ON OFF ON OFF 10 720K 656K 768K ON ON OFF ON OFF 11 784K 720K 832K OFF OFF ON ON OFF 12 848K 784K 896K ON OFF ON ON OFF 13 912K 848K 960K OFF ON ON ON OFF 14 976K 912K 1024K ON ON ON ON OFF 15 1040K 976K 1088K OFF OFF OFF OFF ON 16 1104K 1040K 1152K ON OFF OFF OFF ON 17 1168K 1104K 1216K OFF ON OFF OFF ON 18 1232K 1168K 1280K ON ON OFF OFF ON 19 1296K 1232K 1344K OFF OFF ON OFF ON 20 1360K 1296K 1408K ON OFF ON OFF ON 21 1424K 1360K 1472K OFF ON ON OFF ON 22 1488K 1424K 1536K ON ON ON OFF ON 23 1552K 1488K 1600K OFF OFF OFF ON ON 24 1616K 1552K 1664K ON OFF OFF ON ON 25 1680K 1616K 1728K OFF ON OFF ON ON 26 1744K 1680K 1792K ON ON OFF ON ON 27 1808K 1744K 1856K OFF OFF ON ON ON 28 1872K 1808K 1920K ON OFF ON ON ON 29 1936K 1872K 1984K OFF ON ON ON ON 30 2000K 1936K 2048K ON ON ON ON ON 31 2064K 2000K Unframed OFF OFF OFF OFF OFF 32 2064K 2064K 12 Version 1 1 MSDTUOI A E1 SDSL G 703 El CSU The E1 data rate is equal to the number of timeslots used for data times 64 Kbps plus 64 Kbps for timeslot zero framing timeslot The DSL data rate is equal to the E1 data rate plus 16 Kops overhead The TSO Dis Timeslot zero disabled DSL rate is equal to the number of timeslots used for data plus 16 Kbps overhead Use this rate setting to match a remote datacom unit s HDSL rate CCS framing ONLY 2 C
6. L G 703 El CSU 4 6 Item 6 Remote Line turns on remote digital loopback This mode is used to test the DSL link The local unit sends a command to the remote unit which then initiates its own HDSL PCM loopback This mode requires that an active DSL link already be established PCM PCM Analog El ra a El em p X DSL Isolated HDSL PCM El a ID El gt Claes Remote Line El gt El DSL Figure examples of Loop back modes 18 Version 1 1 MSDTUO1 A El SDSL G 703 El CSU 5 1 Select 2 BERT lt lt BERT gt gt Function Pattern Scale BERT Status Select Number 5 1 BERT Function Selects the mode of Loop Back testing lt lt BERT Function gt gt OFF Normal PCM Framed PCM Serial Select Number Normal mode selects the selected HDSL payload on a per timeslot basis PCM Framed BERT tests only the selected PCM timeslots while PCM Serial tests the entire PCM channel 5 2 BERT Pattern There are four patterns available for BER Testing 2e4 1 2615 1 QRSS and 2e23 1 lt lt BERT Pattern gt gt 2e4 1 2e15 1 ORSS 2e23 1 Select Number 5 3 BERT Scale Test duration in bits transmitted lt lt BERT Scale gt gt 2421 2425 2428 2431 Select Number 19 Version 1 1 MSDTU01 A E1 SDSL G 703 El CSU 5 4 BERT Status lt lt BERT Status gt gt Pattern SYNC SYNC Measurement Complete Bit Errors 000 Press 1
7. MSDTU01 A 2Megabit SDSL MODEM G 703 El Interface User s Manual Version 1 1 crc Technologies Co Ltd Contents Overview Features Important Safety Instructions ooooncnicnicnicnicnncconconconcnncnncononncnnonos 9 EA a a aeaaea Hardware Setup Point to point OperatiON ooooonccncnoonocnocnnncnncnncnnonncnncnnonncnnonnonnonos 14 Console Operation eeeecceescceseeseescesceseeeceeeeeceseeeeeeeeeseeeeaeeeeeeeaees 15 Console Operation Configuration 202sessensensensensensennennenne 16 A essen nen 20 Version History V1 0 released May 7 2001 V1 1 released September 24 2001 firmware 1 14 supports connection to datacom unit 1 Version 1 1 Version 1 1 MSDTUOI A E1 SDSL G 703 El CSU Overview The MSDTU01 A E1 SDSL with G 703 Fractional E1 interface is a data access Channel Service Unit modem with the latest multi rate HDSL High speed Digital Subscriber Line technology offering both long range and high speed data transmission with Nx64 rates from 128Kbps up to 2048Kbps The transmitting data rate may be adapted for the best rate vs range performance for efficient and stable data transmission The MSDTU01 A E1 uses the 2B1Q line code with echo cancellation to transmit its high data rate over a single twisted pair of telephone wires without being affected by bridge taps or mixed cable links It also provides high immunity to background noise and enables transmission over
8. QO RT configuration Terminal type DIP SW No 1 co ON RT OFF 3 Framing CRC4 and termination configuration Sw 7 Sw 8 Sw 9 Sw 10 TSO Frame Mode CRC4 E1 Term ON Disable cas CRC4 On 75 Ohms OFF Enable ccs no CRC4 120 Ohms Normal operation with two MSDTU01A E1 units enable timeslot zero TSO Please refer to the first application on page 4 If the MSDTU01A E1 unit is connected over DSL to an MSDTUO1A refer to the second application on page 4 datacom unit V 35 X 21 RS 530 or RS 449 then follow these rules 1 Unframed E1 Enable TSO and set E1 rate to Unframed set remote datacom unit s HDSL rate to 2064Kbps data rate 16Kbps 2 CCS framing Disable TSO and match the TSO Dis rate to the remote datacom unit s HDSL rate data rate 16Kbps When timeslot zero is disabled the unit allows E1 data to transmit transparently to the datacom side The E1 side will not send TSO to the far Datacom Likewise the E1 unit will regenerate TSO from the Datacom side to send to the connected E1 equipment 3 CAS framing Not support when connected to remote datacom unit CAS mode may also be referred to as PCM30 In this mode both timeslots 0 and 16 are used for frame alignment and signaling Other timeslots are available to carry data CCS mode may also be referred to as PCM31 In this mode timeslot O is used for frame alignment and all other timeslots are avai
9. X 4 TTIP From MSDTU01 A Transmit data 5 TRING From MSDTU01 A Transmit data RX 1 RTIP To MSDTUOI A Receive data 2 RRING To MSDTUOI A Receive data WAN DSL Comnector La Conn Pin Designation Direction Function 3 TIP o Transmit data 4 RING gt Signal return DC IN Connector TIP DC12V RING Return 21 Version 1 1 MSDTUO1 A El SDSL G 703 El CSU 22 Version 1 1 CTC Union Technologies Co Ltd Far Eastern Edison Science and Technologies Center Nei Hu HI TEC Park 6F 3 Lane 360 Nei Hu Road Section 1 4 Nei Hu Taipei Taiwan union Phone 886 2 2659 1021 Rep Fax 886 2 2799 1355 E mail info ctcu com http www ctcu com
10. er connection Warning Do not apply the AC power before all the connections above have been connected Connect the DC jack to the DC IN of the unit Plug in the AC Adapter to the wall AC socket Terminal Connection A data terminal or PC with emulation software can be connected to the TERMINAL port RS 232 of the unit for configuration amp monitoring purpose Use an RS 232 serial cable to connect to a ASCII data terminal The TERMINAL should be VT 100 compatible 11 SDSL G 703 El CSU Version 1 1 MSDTUOI A E1 SDSL G 703 El CSU Hardware Setup DSL rate and terminal type can be set up by adjusting the 10 pole DIP switch on the rear panel Sw 1 is for SDSL termination type Sw 2 thru Sw 6 are for adjusting the E1 and DSL rate Sw 7 will disable TSO Sw 8 and Sw 9 set E1 frame mode and Sw 10 sets the E1 line termination 1 on 1 Rate Setting Table E1 Rate TS used DSL TSO Dis TSO datay NO 2 No 3 No 4 No 5 No 6 fordata Rate DSL Rate 128K ON OFF OFF OFF OFF 1 144K 114K 192K OFF ON OFF OFF OFF 2 208K 144K 256K ON ON OFF OFF OFF 3 272K 208K 320K OFF OFF ON OFF OFF 4 336K 272K 384K ON OFF ON OFF OFF 5 400K 336K 448K OFF ON ON OFF OFF 6 464K 400K 512K ON ON ON OFF OFF 7 528K 4
11. lable to carry data 13 Version 1 1 MSDTUO1 A E1 SDSL G 703 E1 CSU Point to point Operation 1 The MSDTUO1 A E1 should be located on each side of the connection One side must be set to CO and the other side must be set to RT Refer to the section on Hardware Setup for the CO amp RT setup Place the CO side unit towards the E1 timing source 2 Insure that both CO amp RT MSDTU01 A E1s are set to the same DSL rate For example 784Kbps 3 Make sure that both CO amp RT MSDTU01 A E1s have been connected to the E1 line properly 4 For normal operation 75 Ohm termination should be selected DIP sw no 10 when connecting the E1 over unbalanced coaxial cable at the BNC connectors while 120 Ohm termination should be selected when connecting the E1 over balanced twisted pair cabling at the RJ 45 connector DO NOT connect E1 signals to both the BNC and RJ 45 connectors at the same time 5 When placing the MSDTUO1 A into an E1 network the source of timing is very important Place the MSDTUO1 A unit which is closest to the E1 timing source in CO mode and set E1 timing to recovery The E1 timing will be passed to the RT unit The E1 device connected to the RT unit will be able to recover E1 timing from the RT unit 6 Check the WAN LED on the MSDTU01 A E1 it will remain lit when the Link is successfully established The DSL training process may take around one minute and the WAN LED will flash during the training process
12. ld be capable of operating safely with the maximum power requirements of the MSDTU01 A E7 In the event of a power overload the supply circuits and supply wiring should not become hazardous The input rating of the MSDTUO1 A ET is printed on the nameplate The AC adapter must plug in to the right supply voltage i e 120VAC adapter for North America and 230VAC adapter for Europe Be sure the supplied AC voltage is correct and stable If the input AC voltage is more than 10 lower than the standard may cause malfunction of the MSDTUO1 A E1 unit Installation in restricted access areas must comply with Articles 110 16 110 17 and 110 18 of the national Electrical Code ANSI NFPA 70 Do not allow anything to rest on the power cord of the AC adapter and do not locate the product where anyone will walk on the power cord Do not service the product by yourself Opening or removing covers can expose you to dangerous high voltage points or other risks Refer all servicing to qualified service personnel Generally when installed in the final configuration the product must comply with the applicable safety standards and regulatory requirements of the country in which it is installed If necessary consult the appropriate regulatory agencies and inspection authorities to ensure compliance 9 Version 1 1 11 MSDTUOI A E1 SDSL G 703 El CSU A rare condition can create a voltage potential between the earth grounds of two or more buildings If
13. multiple pair cables 3 Version 1 1 MSDTU01 A E1 SDSL G 703 El CSU Features Highspeed SDSL transport over single twisted Copper pair telephone lines gt 2B1Q line code gt Symmetrical Multi rate Nx64 data transmission from 128Kbps to 2048Kbps gt G 703 El operates from recovery E1 at CO or loop recovery E1 at RT timing modes Simple operation Low power consumption Transparent data over SDSL Point to point data transmission service Configure and Loop Test via RS 232 Craft port Local and remote loopback features Integral BERT generator v v v v v v v Applications El SDSL Et v 35 En NEE RE A MSDTUO1 A E1 MSDTUG1 WE1 DSUICSU ROUTER Application Point to Point Connection for Network Extension o E1 SDSL v 35 E1 NETWORK O 4532 MSOTUDI AJE1 MSOTUODIANIS ROUTER Application Point to Point Connection with V 35 Data Com Unit Must be at least version 1 4 firmware 4 Version 1 1 MSDTUOI A E1 SDSL G 703 El CSU Specifications Item MSDTUO1 A E1 Channel Port Interface ITU T G 703 E1 Connector BNC x2 unbalanced RJ 45 Balanced Impedance 75 or 120 Ohms selectable 75 Ohm Pulse 2 37V nominal TeLevel 120 Ohm Pulse 3 00V nominal Relative Rx Level 0 to 43dB Bit Rate 2 048Mbps Line Code HDB3 Framing Unframed CAS CCS CRC4 On Off Timing Source Recovery at CO DSL Loop Recovery Jitter Tolerance Meets ITU T G 823 Complies with ITU T G 703 G 704 G 706 G 73
14. products installed in separate building are interconnected the voltage potential can cause a hazardous condition Consult a qualified electrical consultant to determine whether or not this phenomenon exists and if necessary implement corrective action before interconnecting the products If the equipment is to be used with telecommunications circuit take the following precautions Never install telephone wiring during a lightning storm Never install telephone jacks in wet location unless the jack is specially designed for wet location Never touch uninsulated telephone wires or terminals unless the telephone line has been disconnected at the network interface Use caution when installing or modifying telephone lines other than a cordless telephone during an electrical storm There is a remote risk of electric shock from lightning Do not use a telephone or other equipment connected to telephone lines to report a gas leak in the vicinity of the leak 10 Version 1 1 MSDTU01 A E1 Installation 1 Connect the local loop twisted copper pair telephone wire to the WAN port at the RJ 11 jack Be sure that this local loop has been properly connected to another MSDTU01 A E1 remote unit Connect the E1 transmission line to the modem at the BNC connectors marked TX and RX Alternately connect the twisted pair E1 cable to the RJ 45 connector Please refer to the section on Cables for detailed pin assignment Pow
15. seconds Character line feeds t incoming line ends enable 15 Version 1 1 MSDTU01 A E1 SDSL G 703 El CSU Console Operation Configuration 1 1 2 1 3 1 Turn on the power of MSDTU01 A E7 and press any key the initial terminal screen will be displayed From any other menu pressing ESC and Enter will return to the top menu screen Pressing zero will exit any menu to the next higher level MSDTU 01A xDSL status BERT Loopback Test Information Select Number Information display Press 4 to display information lt lt Information gt gt Firmware Version 1 14 Hardware Version 1 1 FPGA Version 1 CTC UNION TECHNOLOGIES CO LTD http www ctcu com The firmware version hardware version and FPGA version will be displayed This information should be readily available to give to technical support in the event there are difficulties in configuring or applying the units xDSL status display lt lt Status gt gt Terminal Type HTU C Symbol Rate 336Kbps In Sig Level 015dB Far End Signal Atten 002dB Noise Margin 15 5dB Tx Gain 0 48dB Descriptions of xDSL status items 3 1 Terminal Type Indicates whether the Terminal Type of this unit is set for Central Office HTU C or Remote Terminal HTU R In point to point operation one unit must be set to CO while the other must be setto RT 16 Version 1 1 MSDTUOI A E1 SDSL G 703 El CSU 3 2 3
16. to review This display is used to review the results of testing If there is no pattern sync the display will read No SYNC During the testing process the display will read In Progress The accummulated or final number of errors will be displayed The register for counting errors is only 8 bits 256 and will increment back to zero when full Cables Connectors 1 RS 232 Cable for connection to VT 100 type ASCII terminal gt TERMINAL CRAFT Port DB 9 DCE connector pin assignment signal direction and alarm relay contacts Pin2 RXD gt MSDTUOI A Pin3 TXD e e Pin5 SGND Pin6 Alarm relay common Pin 4 Alarm relay NC open on alarm Ping Alarm relay NO closed on alarm Parameter Data Speed 9600 bps Parity None Stop Bit 1 bit Character Length 8 Bits FEN j i Modem cable fi i Terminal cable G a 2 3 3 3 3 5 5 5 5 4 4 4 4 6 6 6 7 7 7 7 8 8 8 8 xy ax NDS XY male male male female 20 Version 1 1 MSDTU01 A E1 E1 BNC Connectors SDSL G 703 El CSU BNC Pin Designation Direction Function TX Center TTIP From MSDTU01 A Transmit data Sleeve TRING o Signal return RX Center RTIP To MSDTUO1 A Receive data Sleeve RRING lt gt Signal return E1 RJ 45 Connector RJ 45 Pin Designation Direction Function GND 8 GND gt Frame Ground 7 GND o Frame Ground T
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