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Patton electronic 1088/K - page 1
USER MANUAL MODEL 1088/K mDSL Modem With Fix ed G.703/G.704 Interface SALES OFFICE (301) 975-1000 TECHNICAL SUPPOR T (301) 975-1007 P ar t# 07M1088K-UM Doc# 03314U2-001 Rev . E Revised 11/6/06 An ISO-9001Cer tified Company ...
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Patton electronic 1088/K - page 2
2 CONTENTS 1.0 Warranty Information ................................................................. 4 1.1 Radio and TV Interference ............................................................ 4 1.2 CE Notice ...................................................................................... 4 1.3 Service ...................................... ...
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Patton electronic 1088/K - page 3
3 A.3 Diagnostics ................................................................................. 26 A.4 LED Status .................................................................................. 26 A.5 Configuration .............................................................................. 26 A.6 Power .................................... ...
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Patton electronic 1088/K - page 4
4 1.0 W ARRANTY INFORMATION P atton Electronics warr ants all Model 1088 components to be free from def ects, and will—at our option—repair or replace the product should it f ail within one year from the first date of shipment. This warranty is limited to def ects in w orkmanship or mater ials, and does not cov er customer damage, ab use or un ...
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Patton electronic 1088/K - page 5
5 1.3 SERVICE All warranty and non-w arranty repairs must be retur ned freight prepaid and insured to P atton Electronics. All retur ns must hav e a Retur n Materi- als A uthorization number on the outside of the shipping container . This number ma y be obtained from Patton Electronics T echnical Services at: • T el: +1 (301) 975-1007 • Email: ...
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Patton electronic 1088/K - page 6
6 2.0 GENERAL INFORMATION Thank you f or your purchase of this P atton Electronics product. This product has been thoroughly inspected and tested and is warranted f or One Y ear par ts and labor . If any questions or prob lems ar ise during installation or use of this product, please do not hesitate to contact P at- ton Electronics T echnical Suppo ...
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Patton electronic 1088/K - page 7
7 3.0 INSTALLATION The Model 1088/K is equipped with two sets of eight DIP s witches , which allow configuration of the unit f or a wide variety of applications. This section describes switch locations and e xplains all possib le configur ations . 3.1 CONFIGURING THE HAR DWARE DIP SWITCHES The 16 e xternal switches are grouped into tw o eight-s w ...
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Patton electronic 1088/K - page 8
8 Configuration DIP Switch Set “S1” Switches S1-1 through S1-8 ma y be used to configure CO/CP operation, line framing and coding, CRC-4 operation, and DTE initiated loop diag- nostics. Default settings of S1 s witches are shown in T able 1. T able 1: S1 Summary T able Switch S1-1: CO/CP . Use Switch S1-1 configure the CO (located at the Cen ...
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Patton electronic 1088/K - page 9
9 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, deter mine the source of the system clock and then determine the Model 1088/Ks CO/CP designation based upon the f ollowing char t. Note In each DSL modem pairing, one unit must act as the CO unit, the other must act as the CP ...
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Patton electronic 1088/K - page 10
10 Switch S1-3: CRC-4 Multiframe. CRC-4 Multiframe uses Time Slot zero to carry CRC-4 information. When CRC-4 is enab led (ON), the unit synchronizes to the CRC-4 multi-fr ame protocol. Note When the DTE rate is set to 2048 Kbps, Model 1088/K tr ansmits user data on all 32 timeslots, ignoring framing inf ormation. In this case, Switch S1-3 will nee ...
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Patton electronic 1088/K - page 11
11 Switch S2-1: DTE Rate. Use Switch S2-1 through S2-6 to set the DTE bit rate. Note Based on the DTE rate chosen, the Model 1088/K will automati- cally select the optimum line rate f or the distance. This selection is based on the lowest line r ate that will suppor t the DTE rate. S2-1 S2-2 S2-3 S2-4 S2-5 S2-6 DTE Rate (kbps) Off Off On On On On 6 ...
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Patton electronic 1088/K - page 12
12 Switch S2-7: Reset Software Defaults. Switch S3-7 allows the user to reset the software configured f actor y defaults . This will only be needed when using the Model 1001MC to SNMP manage your units . For more inf or mation, please ref er to the Model 1001MC Operations Manual. Switch S2-8: T ransmit Data (TD) Sampling Point. Switch 3-8 controls ...
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Patton electronic 1088/K - page 13
13 • Set the Model 1088 (CP) to “NetLink Plug-and-Play CP” by setting S1 and S2 DIP s witches in the ON position as described in Figure 3. Figure 3. T ypical NetLink Plug-and-Play Application When the CO and CP units connect ov er DSL, the CP will enter a pre- defined def ault configuration (Receiv e Recov ered Clocking). During the negotia ...
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Patton electronic 1088/K - page 14
14 4.0 INSTALLATION Once the Model 1088/K is properly configured, it is ready to connect to the twisted pair interf ace, to the serial por t, and to the power source . This section describes how to make these connections . 4.1 CONNECT G.703 NETWORK The P ower , G.703/G.704 and DSL Line connections are located on the rear panel of the Model 1088/K. ...
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Patton electronic 1088/K - page 15
15 The f ollowing is a description of the jumper settings with respect to the rear panel connectors. • F or a 75-ohm connection (coax) inser t JP1, JP4, JP5, and JP6 (def ault) • F or a 120-ohm connection (RJ45) remov e JP1 and JP4, JP5, and JP6. Connect T wisted P air (120 ohm) to G.703 Network The Model 1088/K is equipped with a single RJ-48C ...
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Patton electronic 1088/K - page 16
16 G.703/G.704 network ter minates via dual coaxial cable , use the diag ram below to mak e the proper connections. The connector pinout and signals are shown in Figure 7. Figure 7. 75-ohm Dual Coaxial G.703 Interface Note The outer conductor of the coax cables are isolated from system ear th ground. 4.3 CONNECT T WISTED-PAIR DSL INTERFACE The Mode ...
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Patton electronic 1088/K - page 17
17 4.4 POWER CONNECTION Universal A C P ower (100–240 V AC) The Model 1088 uses a 5 VDC, 2 A univ ersal input 100–240 V AC , 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 jac k on the rear panel. Many interna- tional ...
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Patton electronic 1088/K - page 18
18 5.0 OPERATION Once the Model 1088 is properly configured and installed, it should oper- ate transparently . This sections descr ibes pow er-up , reading the LED status monitors, and using the b uilt-in loopback test modes . 5.1 POWER-UP T o apply power to the Model 1088, first be sure that y ou hav e read sec- tion 4.3, “Connect T wisted-P a ...
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Patton electronic 1088/K - page 19
19 5.3 T EST MODES The Model 1088 off ers two proprietar y loopback test modes , plus a built- in V .52 BER test patter n generator to ev aluate the condition of the modems and the communication link. These tests can be activ ated phys- ically from the front panel. Overview Figure 11 below sho ws the major elements used in the loop-back and pattern ...
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Patton electronic 1088/K - page 20
20 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 . P attern Gen/D ...
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Patton electronic 1088/K - page 21
21 Symbol Indicators 5.4 LOOPS AND PATTERNS The f ollowing section describes the T est Modes used in the Model 1088. At the bottom of each T est Mode, a figure is included to sho w the data path. Figure 12. Block Diagr am Local Loop Mode 1 Figure 13. Block Diagr am Local Loop Mode 2 Local Loop There are two diff erent modes of oper ation f or a Lo ...
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Patton electronic 1088/K - page 22
22 the line or at the f ar end DTE interf ace is in v alid. The remote unit will remain in the Star tUP mode, NS LED on, DSL Link LED sta ys 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 Star tUP mode and the link will be established. A mode 2 Local Loop is shown in Fig ...
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Patton electronic 1088/K - page 23
23 dure is changed to one minute. The 511/511E pattern will timeout after 45 seconds. So if the 511/511E is tur ned 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 pac k ets (and not restar t the bo x). After the 511/511E pattern ...
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Patton electronic 1088/K - page 24
24 bef ore the completion of the termination phase the switch will be ignored until it is placed back into the normal position. Figure 17. Block Remote Loop with 511/511E Remote Digital Loop with 511/511E The Remote Digital Loop with 511/511E is shown abo v e . After RDL is established the Remote units' Restart Timer is set to one minute. This ...
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Patton electronic 1088/K - page 25
25 Up mode. Note that once the 511/511E-patter n generator is star ted the Restar t 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 tr ansmit- ting and receiving the 511/511E pattern. Both framers are no w receiving unframed ...
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Patton electronic 1088/K - page 26
26 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 (tow ard DSL line) and local loopback (tow ard G.703 network) control by a single front panel s witch A.4 LED STATUS The f ...
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Patton electronic 1088/K - page 27
27 A.8 LINE CODING CAP (Carrier less Amplitude and Phase Modulation A.9 LINE RATES (DSL LINE) 144, 272, 400, 528, 784, 1040, 1552, 2064, Line Interf ace: T ransf or mer coupled, 1500 V AC isolation A.10 MDSL PHYSICAL Connection: RJ-48C, 2 wire , polarity insensitive pins 4 and 5 A.11 G.703/G.704 SPECIFIC Interf ace: Female Dual Coaxial 75 ohm or F ...
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Patton electronic 1088/K - page 28
28 APPENDIX B F ACTOR Y REPLACEMENT P AR TS AND ACCESSORIES Model # Description 1088/K G.703 mDSL Rock et (CAP) 080551 120V P ower Supply 080552 230V P ower Supply 48V -PSM DC P ower Supply Module 08055DCUI 100–240V AC (+5V ±5% reg. DC/2A) Universal Input Adapter 0805EUR European P ower Cord CEE 7 (“A”) 0805UK United Kingdom P ower Cord (“ ...
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Patton electronic 1088/K - page 29
29 APPENDIX C T RANSMISSION DISTANCE CHAR T Line Rate DTE Rates kbps kbps feet miles k m feet miles k m feet miles k m feet miles km feet miles k m feet miles k m feet miles km 144 64, 128 21400 4.0 6.6 30700 5.8 9.4 42980 8.1 13.2 55260 10.4 17.0 64470 12.2 19.8 70610 13.4 21.7 90784 17.2 27.9 272 192, 256 20300 3.8 6.2 30600 5.8 9.4 42840 8.1 13. ...
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Patton electronic 1088/K - page 30
30 APPENDIX D MODEL 1088/K LED DESCRIPTIONS ----------------------------------------------------------------------- E1/FE1 LOS DSL Link NS ER TM E1/FE1 LOS DSL Link NS ER TM ----------------------------------------------------------------------- Power ON G* R* off ON off off G* R* off ON off off DSL Link G* R* G* off off off G* R* G off off off Lin ...
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Patton electronic 1088/K - page 31
31 Notes _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ ___________________________________________________ ...
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Patton electronic 1088/K - page 32
32 Notes _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ ___________________________________________________ ...
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