Patton electronic 1088/K Network Card User Manual
Contents
1. 0 NO O0 OON NO O1 R OC ND ANN 4 4 POWER CONNECTION Universal AC Power 100 240 VAC The Model 1088 uses a 5 VDC 2 A universal input 100 240 VAC power supply center pin is 5V The universal input power supply has a male IEC 320 power entry connector This power supply connects to the Model 1088 by means of a barrel jack on the rear panel Many interna tional power cords are available for the universal power supply refer to Appendix B for country specific power cords The Model 1088 powers up as soon as it is plugged into an AC outlet there is no power switch 120 VAC Power US The 100 132 VAC adapter supplied with the U S version of the Model 1088 is a wall mount type and may be plugged into any approved 120 VAC wall jack 230 VAC Power International The 230 VAC adapter supplied with the International version of the Model 1088 is a wall mount type and may be plugged into any approved 230 VAC wall jack DC Power The 36 60 VDC DC to DC adapter is supplied with the DC version of the Model 1088 The black and red leads plug into a DC source nominal 48VDC and the barrel power connector plugs into the barrel power sup ply jack on the rear panel of the 1088 See Figure 9 To Power Supply Jack To 48VDC Vin Source p lt Black lead V Red lead lt O 6 O shoy gt gt XVIN MS H3MOd LNd LNO CE X Barrel power connector Figure 9 Connecting2. ISO M An ISO 9001 Certified Company USER MANUAL MODEL 1088 K mDSL Modem With Fixed G 703 G 704 Interface ps T AT T ON NetLink G 703 G 704 mDSL Rocket a Electronics To CT TA Test Mo E Status NS punk psi EtFEt LOS PE PATTON M s ElectronicsTo Part 07M1088K UM SALES OFFICE Doc 03314U2 001 301 975 1000 ROWE TECHNICAL SUPPORT Revised 11 6 06 301 975 1007 CONTENTS 1 0 1 1 1 2 1 3 2 0 2 1 2 2 3 0 3 1 3 2 4 0 4 1 4 2 4 3 4 4 5 0 5 1 5 2 5 3 5 4 A 1 A 2 Warranty Information sn 4 Radio and TV Interference ranrnnnnnnnnnns 4 CENOICB S cited b NBN 4 DEVICE sot A A O IT MANI IU MEM RI ID 5 General Information 6 Features 3 12 ce Rabe e els 6 Descriptloni eoe iei aleae UI Hen 6 Installation sise 7 Configuring the Hardware DIP Switches sessess 7 Configuration DIP Switch Set S1 oo eeeeeeeseeeeeeeseeeeeseeeeneerses 8 Switch S1 1 GO GP niet ned Pier E 8 CO CP Configuration coococincononicinnannnccnnnnnoncnnnrn corran 8 Switch S1 2 Line Coding ssseeeee 9 Switch S1 3 CRC 4 Multiframe eese 10 Switches S1 4 81 5 81 6 S1 7 and 81 8 Reserved 10 Configuration DIP Switch Set 52 10 Switch S2 1 DTE Rate sse 11 Switch S2 7 Reset Software Defaults 12
3. the other monitors for errors 25 APPENDIX A SPECIFICATIONS A 1 CLOCKING MODES Network G 703 A 2 DTE RATE All 64k steps from 64 to 2048 kbps A 3 DIAGNOSTICS V52 compliant 511 511E pattern generator and detector with error injection mode Remote Loopback toward DSL line and local loopback toward G 703 network control by a single front panel switch A 4 LED STATUS The following LEDs are displayed on the front panel DSL Link Green Active DSL Link Active E1 Link Green Active Valid G 703 G 704 connection LOS Red Active E1 loss of framing NS Red Active No signal DSL Link ER Flashing Red CRC error during nor mal operation bit error dur ing pattern gen eration test TM Active Yellow Test Mode Enabled A 5 CONFIGURATION Externally accessible dip switches or SNMP managed through 1095RC A 6 POWER 5 VDC from external desk top power supply 90 260VAC 50 60 Hz Uni versal Input 10W or 48 VDC A 7 COMPLIANCE FCC Part 15 CE CTR12 CRTR13 Transmission Line Single Twisted Pair 26 A 8 LINE CODING CAP Carrierless Amplitude and Phase Modulation A 9 LINE RATES DSL LINE 144 272 400 528 784 1040 1552 2064 Line Interface Transformer coupled 1500 VAC isolation A 10 MDSL PHYSICAL Connection RJ 48C 2 wire polarity insensitive pins 4 and 5 A 11 G 703 G 704 SPECIFIC Interface Female Dual Coaxial 75 ohm or Female RJ 48C 120 ohm A 12 LINE RATE 2 048 Mbps A 13
4. 448 512 576 768 832 1024 1088 1536 1600 2048 2112 2304 21400 4 0 20300 3 8 18600 3 5 17400 3 3 15800 3 0 15500 2 9 13600 2 6 12200 2 3 11500 2 2 30700 5 8 30600 5 8 29100 5 5 26100 4 9 22600 4 3 22100 4 2 19200 3 6 3 3 3 0 42980 8 1 42840 8 1 40740 7 7 36540 6 9 29380 5 6 28730 5 4 24960 4 7 4 2 3 9 13 2155260 10 4 13 2 55080 10 4 12 5 52380 11 2 46980 14 5 49590 9 4 11 8 42940 8 1 11 6 41990 7 9 10 0134560 6 5 5 9 5 4 17 0 64470 12 2 19 8170610 13 4 21 7 90784 16 9 61200 11 6 18 8 70380 13 3 21 7 190488 17 1 16 1 55290 10 5 17 0 66930 12 7 20 6 86053 15 3160030 11 3 18 5 77181 13 2 51980 9 8 12 9 150830 9 6 10 6 44160 8 3 16 0 67974 15 6 66470 13 6 57748 10 9 17 8 17 2 27 9 27 8 16 3 26 5 14 6 23 7 12 9 20 9 12 6 20 5 7 5 122 51732 9 8 15 9 6 9 11 2 47522 9 0 14 6 29 APPENDIX D MODEL 1088 K LED DESCRIPTIONS Power ON G R off ON off off G R off ON off off DSL Link G R G off off off e R G off off off Link Brk G R off off off off G R off off off off Brk 10s G R off ON off off Gu R off ON off off RDL G R G off off ON G R G off off ON RDL 511 G RY off off off ON G R off off off ON With DIE Connected 0 0 With DTE Connected Mark G RE EX off off off G RY G off off off Space G R G off off off G R G off off off Data G R G off off off G R G off off off Link Brk DSL Link Broken Brk 10s 10 Seconds following Link Bre
5. LINE CODING AMI or HDB3 selectable HDB3 is the default A 14 LINE FRAMING G 703 unframed or G 704 G 732 framed A 15 ISOLATION 1500 Vrms A 16 PHYSICAL CONNECTION pin 1 Rx Data pin 2 Rx Data pin 4 Tx Data pin 5 Tx Data pins 3 6 7 8 no connection 27 APPENDIX B FACTORY REPLACEMENT PARTS AND ACCESSORIES Model Description 1088 K G 703 mDSL Rocket CAP 080551 120V Power Supply 080552 230V Power Supply 48V PSM DC Power Supply Module 08055DCUI 100 240VAC 45V 5 reg DC 2A Universal Input Adapter 0805EUR European Power Cord CEE 7 A 0805UK United Kingdom Power Cord D 0805US American Power Cord K 0805AUS Australia New Zealand Power Cord C 0805DEN Denmark Power Cord E 0805FR France Belgium Power Cord F 0805IN India Power Cord G 0805IS Israel Power Cord H 0805JAP Japan Power Cord J 0805SW Switzerland Power Cord L 07M1088 K User Manual 28 APPENDIX C TRANSMISSION DISTANCE CHART Line Rate kbps DTERates kbps Distance Table Model 1095 1088 mDSL Modem Standalone and Rack card 26g 0 4mm feet miles km 24g 0 5mm feet miles km 22g 0 6mm feet miles km 20g 0 8mm feet miles km 19g 0 9mm feet miles km feet 18g 1 0mm miles km 16g 1 2mm feet miles km 144 272 400 528 784 1040 1552 2064 2320 64 128 192 256 320 384
6. The DSL Link LED is Off when the link is down E1 FE1 Active Green Solid green On indicates a valid Link E1 connection LOS Active Red The Loss of Sync indicates that the unit has lost synchronization with the incoming sig nal This may happen when there is a framing mis match or a loss of signal In unframed mode the LOS LED monitors the status of the transmit clock NS Active Red The No Signal LED glows red to indi cate that the local Model 1088 is not connected with the remote Model 1088 18 ER TM Flashing Red blinks ON OFF after a 511 511E test has timed out See Section 5 3 3 Test Pattern Generator for more information Flashes once to indicate that a CRC error has occurred during normal operation or bit errors have occurred during 511 511E tests Only at power up blinks once every 200 ms if the DTE Rate is set to an unsupported settings Active Yellow glows yellow to indicate that the Model 1088 K has been placed in Test Mode The unit can be placed in test mode by the local user or by the remote user The TM LED will flash for 400 msec when a valid packet is received from the Model 1001MC 5 3 TEST MODES The Model 1088 offers two proprietary loopback test modes plus a built in V 52 BER test pattern generator to evaluate the condition of the modems and the communication link These tests can be activated phys ically from the front panel Overview Figure 11 below shows the major e
7. frequency energy and if not installed and used properly that is in strict accordance with the manu facturer s instructions may cause interference to radio and television reception The Model 1088 has been tested and found to comply with the limits for a Class A computing device in accordance with the specifica tions in Subpart J of Part 15 of FCC rules which are designed to provide reasonable protection from such interference in a commercial installa tion However there is no guarantee that interference will not occur in a particular installation If the Model 1088 does cause interference to radio or television reception which can be determined by disconnecting the unit the user is encouraged to try to correct the interference by one or more of the following measures moving the computing equipment away from the receiver re orienting the receiving antenna and or plugging the receiving equipment into a different AC outlet such that the computing equipment and receiver are on different branches 1 2 CE NOTICE The CE symbol on your Patton Electronics equipment indicates that it is in compliance with the Electromagnetic Compatibility EMC directive and the Low Voltage Directive LVD of the European Union EU A Cer tificate of Compliance is available by contacting Technical Support 1 3 SERVICE All warranty and non warranty repairs must be returned freight prepaid and insured to Patton Electronics All returns must have a Return
8. the maximum bit rate that a twisted pair line can accommodate Now ISPs CLECs and corporate enterprises can terminate G 703 G 704 E1 service and either extend nx64 G 703 G 704 service or provide a remote serial connection to a router or switch when paired with Model 1088 C V 35 or 1088 D X 21 As Model 1088 K receives data from E1 line it extracts the E1 clock and delivers smooth clock and data to the remote DSL modem over a two wire DSL span In a network extension application a remote 1088 K delivers nx64kbps to 2 Mbps G 703 data and clocking to device with an E1 inter face In a network termination application a remote Model 1088 C or 1088 D accepts this data and clock stream and provides nx64kbps data to CPE with a V 35 or X 21 interface As a symmetric DSL NTU Model 1088 K offers the same data rates in both directions over a single pair of regular telephone lines using Carrier less Amplitude and Phase CAP modulation Equipped with 75 ohm dual coax and 120 ohm RJ 48C the Model 1088 K is easy to configure and install DSL line connection is via RJ 45 jack Standard versions of Model 1088 are powered by a 100 230VAC Universal supply A DC power sup ply option supports any DC input between 36 72VDC 6 3 0 INSTALLATION The Model 1088 K is equipped with two sets of eight DIP switches which allow configuration of the unit for a wide variety of applications This section describes switch locations and explains all poss
9. DC Power to the 48V PSM3 DC Power Supply There are no user serviceable parts in the power supply section of the Model 1088 Fuse replacement should only be performed by qualified service personnel Con tact Patton Electronics Technical support at 301 975 1007 via our web site at http www patton com or by WARNING e mail at support patton com for more information 17 5 0 OPERATION Once the Model 1088 is properly configured and installed it should oper ate transparently This sections describes power up reading the LED status monitors and using the built in loopback test modes 5 1 POWER UP To apply power to the Model 1088 first be sure that you have read sec tion 4 3 Connect Twisted Pair DSL Interface on page 16 and that the unit is connected to the appropriate power source 5 2 LED STATUS MONITORS The Model 1088 features six front panel LEDs that monitor power the DTE signals network connection and test modes Figure 10 shows the front panel location of each LED Following Figure 10 is a description of each LEDs function See also APPENDIX E B PATTON E llactvonics To NetLink G 703 G 704 mDSL Rocket m Link Status p TEST MODES 7 DSL E1 FE1 LOS NS ER TM Local 511E 9 Qm Remote Figure 10 Model 1088 K Front Panel DSL Link Active Green Solid green On indicates that the end to end DSL Framer Link is up signifying that the link across the DSL span is active
10. Materi als Authorization number on the outside of the shipping container This number may be obtained from Patton Electronics Technical Services at Tel 1 301 975 1007 Email support patton com URL http www patton com Note Packages received without an RMA number will not be accepted Note The Model 1088 is flash upgradeable Please refer to Patton website or contact Technical Support for the latest version of the software 2 0 GENERAL INFORMATION Thank you for your purchase of this Patton Electronics product This product has been thoroughly inspected and tested and is warranted for One Year parts and labor If any questions or problems arise during installation or use of this product please do not hesitate to contact Pat ton Electronics Technical Support at 301 975 1007 2 1 FEATURES Multi Rate Symmetric DSL Supports DTE Speeds from 64 kbps to 2 048 Mbps 2 wire Operation 120 ohm RJ 48C and 75 ohm dual coax G 703 G 704 terminations 2 Mbps G 703 Clear Channel Unframed or nx64 G 704 Framed Operation SNMP Manageable as the CP Customer Premises modem when connect to Model 1095RC Selectable AMI or HDB3 Line Coding LED indicators for DSL Link E1 FE1 Link LOS TM ER and NS 2 2 DESCRIPTION The Patton Electronics mDSL Rocket offers the ability to extend G 703 G 704 service over Multi rate Symmetric Digital Subscriber Line technol ogy Multi rate DSL offers the ability to deliver
11. REV A Figure 5 Top view of 1088 K location of JP1 JP4 JP5 and JP6 14 The following is a description of the jumper settings with respect to the rear panel connectors Fora75 ohm connection coax insert JP1 JP4 JP5 and JP6 default Fora 120 ohm connection RJ45 remove JP1 and JP4 JP5 and JP6 Connect Twisted Pair 120 ohm to G 703 Network The Model 1088 K is equipped with a single RJ 48C jack for connections to a 120 ohm twisted pair G 703 G 704 network interface If your G 703 G 704 network terminates via RJ 48C use the diagram below and the table on the following page to make the proper connections The connec tor pinout and signals are shown in Figure 6 RJ 48C Jack Signal Name 1 RX Receive Ring pe 2 RX Receive Tip DA 3 shield 4 1 TX Transmit Ring 5 5 TX Transmit Tip 6 6 Shield 7 7 No connection 8 8 No connection Figure 6 120 Ohm RJ 48C G 703 Interface Use the following connection diagram to connect the 120 ohm G 703 G 704 network channel RJ 48C Cable 8 Wire 1088 K G 703 G 704 SIGNAL PIN NETWORK SIGNAL RX R lasse TX R RX T Pepe TX T TX R Bains RX R TX T RX T Shield XX Shield Shield X Shield Connect Dual Coaxial Cable 75 ohm to G 703 Network The Model 1088 K is also equipped with dual female BNCs TX and RX for connection to a 75 ohm dual coax G 703 network interfa
12. Switch S2 8 Transmit Data TD Sampling Point 12 NetLink Plug and Play 5 cine 12 Installation sine 14 Connect G 703 Network esses 14 Jumper Configuration eene 14 Connect Twisted Pair 120 ohm to G 703 Network 15 Connect Dual Coaxial Cable 75 ohm to G 703 Network 15 Connect Twisted Pair DSL Interface sssessss 16 Power Connection i due eerie be nie pede nies 17 Universal AC Power 100 240 VAC 17 120 VAC Power US 17 230 VAC Power International 17 DICA LON eE E E NV e Ut et ius pL 17 Operation eene tette eene nes 18 POWE UD eget cep ta 18 LED Status Moriitors tr teet s 18 Test MODES 2 eti e eden qns 19 OVERVIEW ioi ides usd ecu ol Atte Asa seh ne Lie 19 Loops and Palleiris cot e iet t ote ipae 21 Using the V 52 BER Test Pattern Generator 25 Specifications cion iii caia 26 ClockingMOGes tot do data 26 IDE Rate A aate tm Ts 26 A 3 A 4 A 5 A 6 A 7 A 8 A 9 A 10 A 11 A 12 A 13 A 14 A 15 A 16 C JIGEIOSTCS ce nata te ORO rU cad 26 LEDS un ceto nt e utet o eda tante tn idus 26 CONTIQUrATON aceite e oe ent anda nO Res 26 gol EET 26 Compliance dt Hb Een nets 26 GA A eae t DS 27 Line Rates DSL line sssssssssssm nocnnnncnnn 27 MBSE Bhiysicalas aped et tetto fe ento et ether 27 703 G 704 Specific wick eth
13. ak G GREEN O ORANGE ON ON off OFF G Green if a valid 10Base T connection is detected R Red if a loss of sync on the El signal is detected 30 Notes 31 Notes Copyright 2006 Patton Electronics Company All Rights Reserved 32
14. ce If your 15 G 703 G 704 network terminates via dual coaxial cable use the diagram below to make the proper connections The connector pinout and signals are shown in Figure 7 Network x o M w Data FROM a ES Data TO G 703 G 704 G 703 G 704 Network Network Figure 7 75 ohm Dual Coaxial G 703 Interface Note The outer conductor of the coax cables are isolated from system earth ground 4 3 CONNECT TWISTED PAIR DSL INTERFACE The Model 1088 K supports communication between two DTE devices at distances to 5 miles 8 km over 24 AWG 5 mm twisted pair wire Two things are essential These units operate as a pair Both units at the end of the twisted pair DSL span must be set for the same DTE rate To function properly the Model 1088 needs one twisted pair of metal lic wire This twisted pair must be unconditioned dry metallic wire between 19 9mm and 26 AWG 4mm the higher number gauges will limit distance Standard dial up telephone circuits or leased cir cuits that run through signal equalization equipment or standard flat modu lar telephone type cable are not acceptable The RJ 48C connector on the Model 1088 s twisted pair interface is polarity insensitive and is wired for a two wire interface The signal pin relationships are shown in Figure 8 N C N C N C 2 Wire TIP 2 Wire RING N C N C 8 N C Figure 8 Model 1088 twisted pair line interface
15. d the remote DTE are not valid Because the data is unframed there is no way for the framer to send this data out to the DTE This is an important dis tinction because other Patton units will send out the 511 pattern When the unit is placed into a Mode 2 Local Loop the 511 511E pattern generator on the local unit is unavailable for transmission Figure 15 on page 22 displays the 511 511E pattern generator showing that data path connections are not available The 51 1 511E pattern generator is still available on the remote unit For more information on the proper operation of this pattern generator please refer to the Remote Digital Loop with 511 511E section Pattern Gen Det Framer Pattern Loop Gen Det Control Loop Control Line Framer Processor Processor Figure 16 Block Diagram Remote Loop Remote Digital Loop The Remote Loop uses the EOC channel an out of band signal ing channel to establish the remote link Upon the RDL switch being thrown or DTE initiation a RDL_ON Request signal is sent to the remote unit The Remote unit then responds with an RDL Acknowledge command and the link is established Data origi nates at the local DTE and is looped at the Remote PROCESSOR back to the Local DTE Note that the data is also passed through to the Remote DTE and is not squelched When a Remote unit enters RDL it changes its Restart timeout to one minute the
16. end will begin receiving unframed packets and assume that the line has gone down During test modes we force the pattern generator to time out before it can cause the link to be killed Loop Conirol This part of the Processor is used to control loop backs In a Local Loop the data is looped back towards the local DTE G 703 G 704 In a Remote Loop the data is looped back to the line but it is also allowed to pass through to the framer and to the remote DTE G 703 G 704 Restart Procedure and Time Outs The restart procedure is in place to allow theunits to re establish a connection after the framer begins seeing unframed packets The Test Model Timing Chart below shows the amount of time the framer must see consecutive unframed packets before the unit will restart and try to establish a new line connection The reason that there are different Restart Times will become apparent after read ing the rest of the document The 511 511E Time Out shown refers to the amount of time the 511 511E pattern will be valid At the end of this time the pattern will automatically turn itself off and the nor mal data path will be re established The ER led will flash indicating to the user that the test has timed out The ER led will stop flashing once the 511 511E switch is placed into the normal position Wem Elapsed Time seconds Start Up 50 Data Mode een SEE Generator Enabled ne RRE The generator will stop after 45 seconds Remo
17. framed data and will restart after one minute The 51 1 511E pattern generators will TimeOut after 45 seconds re enabling the normal data path The ER led will begin flashing until the user terminates the test Using the V 52 BER Test Pattern Generator To use the V 52 BER tests in conjunction with the Remote Digital Loop back tests or with Local Line Loopback tests follow these instructions 1 Locate the 511 511E toggle switch on the front panel of the 1088 and move it DOWN This activates the V 52 BER test mode and transmits a 511 test pattern into the loop If any errors are present the local modem s red ER LED will blink sporadically 2 If the above test indicates no errors are present move the V 52 tog gle switch UP activating the 511 E test with errors present If the test is working properly the local modem s red ER LED will blink A successful 511 E test will confirm that the link is in place and that the Model 1088 s built in 511 generator and detector are work ing properly Note The above V 52 BER tests can be used independently of the Remote Digital Loopback tests This requires two operators 1 to initiate and monitor the tests at the local Model 1088 and 2 to do the same at the remote Model 1088 In this case the test pattern sent by each Model 1088 will not be looped back but will be transmitted down the line to the other Model 1088 While one operator initiates test
18. ible configurations 3 1 CONFIGURING THE HARDWARE DIP SWITCHES The 16 external switches are grouped into two eight switch sets and are externally accessible from the underside of the Model 1088 K See Figure 1 Figure 1 Underside of Model 1088 K showing location of DIP switches The two sets of DIP switches on the underside of the Model 1088 K will be referred to as S1 and S2 As Figure 2 shows the orientation of all DIP switches is the same with respect to ON and OFF positions ON JO a 1 2 3 4 5 6 7 8 OFF Figure 2 Close up of configuration switches all sets are identical in appearance Configuration DIP Switch Set S1 Switches S1 1 through S1 8 may be used to configure CO CP operation line framing and coding CRC 4 operation and DTE initiated loop diag nostics Default settings of S1 switches are shown in Table 1 Table 1 S1 Summary Table Position Function Factory Default Switch S1 1 CO CP Use Switch S1 1 configure the CO located at the Central Office or or G 703 G 704 demarcation point or CP located at the Customer Premises mode of the 1088 K CO CP Mode CO located at the Central Office On CP located at the Customer Premises CO CP Configuration The Model 1088 K does not use clock mode set tings as described in other Patton mDSL products Instead the Model 1088 K will always recover the clocking from the G 703 4 network and use this clock
19. ilable when using a rack mounted NetLink Model 1095RC as the CO unit The NetLink Plug and Play feature allows the user to configure the DTE rate bandwidth allocation see Switches S2 1 through S2 6 of the CP unit from the rack card at the Central Office CO The stand alone unit at the Customer Premise CP site will automatically configure itself to the DTE rate Bandwidth Allocation of the rack card Other configuration parameters remain in the default setting Follow the instructions below to activate NetLink Plug and Play between CO Model 1095RC and CP Model 1088 units Set the Model 1095RC CO to either Internal or External clocking mode as defined by the application 12 Set the Model 1088 CP to NetLink Plug and Play CP by setting S1 and S2 DIP switches in the ON position as described in Figure 3 1095RC DSL Span CO DIP Switches or NMS configured DIP Switches all in ON position according to specific application requirements Figure 3 Typical NetLink Plug and Play Application When the CO and CP units connect over DSL the CP will enter a pre defined default configuration Receive Recovered Clocking During the negotiation process between the units the CO unit will configure the DTE rate line rate on the CP unit as defined by the settings of the CO unit When additional bandwidth is required only the configuration of the CO unit should be changed This feature gives ISPs LECs and PTTs the abi
20. is initiated either by the front panel switch or the DTE interface the loop will be activated within the local Processor The data present at the local DTE interface will be looped back to the local DTE by the Loop Control block within the Processor Any data present on 21 the line or at the far end DTE interface is invalid The remote unit will remain in the StartUP mode NS LED on DSL Link LED stays off until the local unit is taken out of the Local Loop mode After the Local Loop is deselected the units will both be in StartUP mode and the link will be established A mode 2 Local Loop is shown in Figure 13 When the Local Loop is initiated either by the front panel switch or the DTE interface two separate loop paths will be started In the first path data presented to the local DTE interface will be looped back to the local DTE within the framer In the second path data presented at the far end DTE will be transmitted to the local DTE and then looped back within the local DTE Loop Control block with the Processor After the Local Loop is deselected the units will be placed back into DataMode and the normal data paths will be re established Framer Pattern Loop Line Loop Pattern Framer Gen Det Control Control Gen Det Processor Processor Figure 14 Block Diagram Local Loop Mode 1 with 511 511E Pp Loop Control Line Loop Control Pattern Framer Gen De
21. lements used in the loop back and pattern tests available in the Model 1088 Each block has several func tions Following Figure 11 are descriptions that show how the elements are used during Test Modes Framer Framer Pattern Loop Gen Det Control Control Gen Det Line Loop Pattern Framer Processor Processor Figure 11 Block Diagram Model 1088 The framer is used to determine the status of the line In normal operation the framer transmits and expects to receive framed packets from the far end If the framer receives framed packets from the far end the DSL Link LED will be active If framed pack ets are not received the DSL Link LED will be inactive The restart procedure uses this information to determine if a valid connection 19 is made cable disconnect poor cable quality etc In normal Data Mode if the box receives 4 seconds of unframed packets it will restart the box and begin trying to re establish a connection with the far end The distinction between framed packets and unframed packets becomes important when we discuss the Pat tern Generator Pattern Gen Det This part of the Processor generates and detects the 511 511E patterns When transmitting 511 patterns the information is unframed because it originates after the framer and is intended to be evaluated only by another Processor If the units are in Data Mode and the pattern generator is enabled on one end of the link the far
22. lity to provision bandwidth on an as needed basis to customers The NetLink Plug and Play application will also work in an HTTP SNMP managed system using the NetLink Model 1001MC SNMP agent card with 1095RC cards installed in Patton s 2U rack system In this applica tion the system administrator can configure the entire rack through the Network Management Station NMS before the stand alone CP units are installed For more information on the HTTP SNMP management please refer to the Model 1001MC Operations Manual 13 4 0 INSTALLATION Once the Model 1088 K is properly configured it is ready to connect to the twisted pair interface to the serial port and to the power source This section describes how to make these connections 4 1 CONNECT G 703 NETWORK The Power G 703 G 704 and DSL Line connections are located on the rear panel of the Model 1088 K Figure 4 shows the location of each of these ports Power G 703 G 704 Terminations DSL Line OPO Interface Made in thf USA Figure 4 Model 1088 K Rear Panel 4 2 JUMPER CONFIGURATION The Model 1088 K has four jumpers two position headers JP1 JP4 JP5 and JP6 These jumpers are used to select input or output imped ance matching between the module external line and to employ either BNC or RJ 48C interface Figure 5 below shows the top view of the printed circuit board PCB and the location of the jumpers E PATTON ELECTRONICS 033141F
23. n 1728 Off Off Off Off Off On 1792 On On On On On Off 1856 Off On On On On Off 1920 On Off On On On Off 1984 Off Off On On On Off 2048 Note Based on the DTE rate chosen the Model 1088 K will automati cally select the optimum line rate for the distance This selection is based on the lowest line rate that will support the DTE rate Switch S2 7 Reset Software Defaults Switch S3 7 allows the user to reset the software configured factory defaults This will only be needed when using the Model 1001MC to SNMP manage your units For more information please refer to the Model 1001MC Operations Manual S3 7 Setting On Normal Operation Off Reset Switch S2 8 Transmit Data TD Sampling Point Switch 3 8 controls the Transmit Data TD sampling point S3 8 Setting Description On Normal TD sampled on the falling edge of the 1088 Trans mit Clock TC Off Invert TD sampled on the rising edge of the 1088 Transmit Clock 3 2 NETLINK PLUG AND PLAY The NetLink Plug and Play feature allows ISPs carriers and PTTs to quickly upgrade the link speed for a customer without requiring a visit to re configure the Customer Premise CP Model 1088 This feature also allows service providers to set up all of the configurations at the Central Office on the rack cards before installing the stand alone units saving time spent configuring or re configuring DIP switches Note NetLink Plug and Play is only ava
24. n the Pro cessor andis sent to the Remote unit It is then looped back to the Local unit where it is evaluated for errors After 45 seconds the Pattern Generator will timeout and stops sending the pattern The ER led will begin blinking until the user turns off the 511 511E Switch E APA Framer Pattern Loop Line Loop Gen Det Control Control Processor Processor Pattern Gen Det L Figure 18 Block Diagram DataMode with 511 511E Data Mode with 511 511E Pattern Generators When the units enter DataMode it is possible to turn on the 511 511E pattern generators on both ends of the link Once a 511 511E pattern is selected on one end of the link the pattern genera tor will begin transmitting unframed 511 511E through the line to the Remote end A possible problem with this test can occur due to the Restart procedure Once the Local 511 511E is turned on the Remote unit begins receiving an unframed 511 pattern If the Remote unit does not turn on the 511 511E pattern generator within 4 seconds the Remote unit will Restart and enter the Start Framer 24 Up mode Note that once the 511 511E pattern generator is started the Restart timer is changed to one minute only on the unit which has the pattern enabled If both units enable the 511 511E pattern within 4 seconds of each other both units will be transmit ting and receiving the 511 511E pattern Both framers are now receiving un
25. nie Re ba e ee tte 27 GNE ratene EE 27 Line CON erre E AEE 27 l ine Eraring ue ihi e a 27 relie Er 27 Physical Connection inocente oe t eret nde 27 Factory Replacement Parts and Accessories 28 Transmission Distance Chart 29 Model 1088 K LED Descriptions 30 1 0 WARRANTY INFORMATION Patton Electronics warrants all Model 1088 components to be free from defects and will at our option repair or replace the product should it fail within one year from the first date of shipment This warranty is limited to defects in workmanship or materials and does not cover customer damage abuse or unauthorized modification If this product fails or does not perform as warranted your sole recourse shall be repair or replacement as described above Under no condition shall Patton Electronics be liable for any damages incurred by the use of this product These damages include but are not limited to the following lost profits lost savings and incidental or consequential damages arising from the use of or inability to use this product Patton Electronics specifi cally disclaims all other warranties expressed or implied and the instal lation or use of this product shall be deemed an acceptance of these terms by the user Note Conformity documents of all Patton products can be viewed online at www patton com under the appropriate product page 1 1 RADIO AND TV INTERFERENCE The Model 1088 generates and uses radio
26. onfiguration DIP Switch Set S2 Use the eight DIP Switches in Switch S2 to enable the DTE connection rate The following table summarizes default positions of DIP Switch S3 Detailed descriptions of each switch follow Table 2 Table 2 S2 Summary Table Position Function Factory Default S2 1 DTE Rate Of S2 2 DTE Rate Of S2 3 DTE Rate On 2048 kbps S2 4 DTE Rate On S2 5 DTE Rate On S2 6 DTE Rate Off S2 7 Reset Software Defaults On Normal Operation S2 8 Transmit Data Sample Point On Normal Operation 10 Switch S2 1 DTE Rate Use Switch S2 1 through S2 6 to set the DTE bit rate S2 1 S2 2 S2 3 S2 4 S2 5 S2 6 DTE Rate kbps Off Off On On On On 64 On On Off On On On 128 Off On Off On On On 192 On Off Off On On On 256 Off Off Off On On On 320 On On On Off On On 384 Off On On Off On On 448 On Off On Off On On 512 Off Off On Off On On 576 On On Off Off On On 640 Off On Off Off On On 704 On Off Off Off On On 768 Off Off Off Off On On 832 On On On On Off On 896 Off On On On Off On 960 On Off On On Off On 1024 Off Off On On Off On 1088 On On Off On Off On 1152 Off On Off On Off On 1216 On Off Off On Off On 1280 Off Off Off On Off On 1344 On On On Off Off On 1408 Off On On Off Off On 1472 On Off On Off Off On 1536 On On Off Off Off On 1600 Off On Off Off Off On 1664 On Off Off Off Off O
27. plications will use HDB3 SW4 Line Framing amp Coding Off HDB3 On AMI Line Coding Options High Density Bipolar 3 HDB3 In HDB3 coding the transmitter deliberately inserts a bipolar violation when excessive zeros in the data stream are detected The receiver recognizes these special viola tions and decodes them as zeros This method enables the network to meet minimum pulse density requirements Use HDB3 unless AMI is required in your application Alternate Mark Inversion AMI AMI coding does not inherently account for ones density To meet this requirement you should ensure that the data inherently meets pulse density requirements Switch S1 3 CRC 4 Multiframe CRC 4 Multiframe uses Time Slot zero to carry CRC 4 information When CRC 4 is enabled ON the unit synchronizes to the CRC 4 multi frame protocol 1 3 Option Off Disabled On Enabled Note When the DTE rate is set to 2048 Kbps Model 1088 K transmits user data on all 32 timeslots ignoring framing information In this case Switch S1 3 will need to be in the disabled Off position Switches S1 4 S1 5 S1 6 S1 7 and S1 8 Reserved Switches S1 4 S1 5 S1 6 S1 7 S1 8 are reserved for factory usage and must remain in the default configuration except when using the Netlink Plug and Play feature S1 4 S1 5 S1 6 S1 7 S1 8 Default Setting Off On Off On Off Only Valid Setting C
28. reason will be explain in the RDL with 511 511E section If the line is discon nected the local unit will Restart NS led activated after 4 6 sec onds but the Remote unit will wait for one minute before it Restarts Note that the transmit data at the Remote DTE is ignored When the switch is thrown or the DTE removes the RDL request the local unit will transmit an RDL_OFF Request to the Remote unit The local unit will keep its TM led active until this request has been completely sent out If the switch is thrown again 23 before the completion of the termination phase the switch will be ignored until it is placed back into the normal position x Framer Pattern Loop Line Loop Gen Det Control Control Processor Processor Pattern Framer Gen Det Figure 17 Block Remote Loop with 511 511E Remote Digital Loop with 511 511E The Remote Digital Loop with 511 511E is shown above After RDL is established the Remote units Restart Timer is set to one minute This has been done because when the 511 511E genera tor is started on the local unit the Remote framer begins seeing unframed packets The Remote unit can not distinguish the 51 1 511E pattern from the line being disconnected so the Restart Timer has been lengthened to allow the pattern generator to func tion Once the 511 511E test is started the Local unit changes its Restart Timer to one minute The pattern originates withi
29. t Processor Processor Figure 15 Block Diagram Local Loop Mode 2 with 511 511E Local Loop with 511 511E When the unit is placed into a Mode 1 Local Loop and the 511 511E pattern generator is activated the local pattern generator begins sending out a 511 511E pattern to the Loop Control block The Loop Control block will loop this data back to the 511 511E pattern detector block which will evaluate the data for errors Because the 511 511E pattern generator is contained within the Processor the data is unframed so the framer will begin seeing unframed packets The framer receives this unframed data and can not distinguish this information from a line disconnection this would cause the units Restart procedure to start What we have done to allow this mode to work is to add time outs for the pattern generators When the 511 511E is initiated the line restart proce Framer Pattern Gen Det 22 dure is changed to one minute The 511 511E pattern will timeout after 45 seconds So if the 511 511E is turned on during a local loop the restart procedure is set to one minute but the 511 511E pattern will time out after 45 seconds allowing the framer to begin seeing framed packets and not restart the box After the 511 511E pattern times out the ER LED will begin flash ing It will remain this way until the pattern generator switch is turned off Note that the data at the local DTE an
30. te End ofan RDL End of an RDL 511 511E Time Out 45 ca pattern generator will automatically turn off after 45 seconds The ER LED will flash until the user turns off the 511 511E switch 20 Symbol Indicators This symbol designates the origination or the termination of a data path The direction of the arrow connected distinguish the two data paths This symbol designates an invalid data path If there is data present it should be ignored 5 4 LOOPS AND PATTERNS The following section describes the Test Modes used in the Model 1088 At the bottom of each Test Mode a figure is included to show the data path Framer Pattern Loop Pattern Framer Gen Det Control Gen Det Processor Processor Figure 12 Block Diagram Local Loop Mode 1 re E Frame Pattern Loop Line Loop Pattern Framer Gen Det Control Control Gen Det Processor Processor Figure 13 Block Diagram Local Loop Mode 2 Local Loop There are two different modes of operation for a Local Loop depending on the status of the units at the time that the Local Loop is initiated If the units are not in linked NS LED on and the Local Loop is initiated either by the front panel switch or the DTE inter face the unit will enter mode 1 If the units are linked NS LED off then the unit will enter a mode 2 Local Loop A Mode 1 Local Loop is shown in Figure 12 When the Local Loop
31. to send data across the DSL span to the remote DSL modem which will use the incoming to send data out to G 703 4 net work Therefore one unit must be set for CO mode located at the G 703 demarcation and the other unit must be set for CP mode located at the customer premises This type of clocking method was employed for two reasons To allow two independent networks to use the modems as indepen dent clocking paths To allow the user to independently specify the timing source for the network based on external equipment CO CP and Using the 1088 K with other Patton mDSL modems Other Patton mDSL modems allow the option of specifying the clock mode but not the CO CP designation This is already done internally 8 within the unit When connecting a 1088 K to an mDSL modem e g Model 1088 C 1088 D or 1095 other then a Model 1088 K determine the source of the system clock and then determine the Model 1088 Ks CO CP designation based upon the following chart MDSL Modem MDSL Modem 1088 K setting Clock Mode Unit Designation required External External CP Internal Internal CP Receive Receive Recover CO Recover Note In each DSL modem pairing one unit must act as the CO unit the other must act as the CP unit Switch S1 2 Line Coding Use Switch S1 2 to configure the G 703 G 704 network line coding The line coding must be the same line cod ing prescribed by the NAP Network Access Provider Most ap
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