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Patton electronic 1088/D - page 1
USER MANUAL MODEL 1088/C and 1088/D mDSL Modem with V .35 or X.21 Interface SALES OFFICE (301) 975-1000 TECHNICAL SUPPOR T (301) 975-1007 P ar t# 07M1088-UM Doc# 03312U2-001 Rev . E Revised 10/23/06 An ISO-9001Cer tified Company ...
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Patton electronic 1088/D - 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/D - page 3
3 A.4 DTE Connector ........................................................................... 27 A.5 Diagnostics ................................................................................. 27 A.6 LED Status .................................................................................. 27 A.7 Configuration ............................... ...
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Patton electronic 1088/D - 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/D - page 5
5 1.3 SERVICE All warranty and non-w arranty repairs must be returned freight prepaid and insured to P atton Electronics. All retur ns must ha ve a Return Materi- als A uthorization number on the outside of the shipping container . This number ma y be obtained from Patton Electronics T echnical Ser vices at: • T el: +1 (301) 975-1007 • Email: s ...
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Patton electronic 1088/D - 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 problems arise during installation or use of this product, please do not hesitate to contact P at- ton Electronics T echnical Suppor ...
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Patton electronic 1088/D - page 7
7 3.0 CONFIGURATION The Model 1088 is equipped with two sets of eight DIP s witches, which allow configuration of the unit f or a wide v ariety 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 wi ...
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Patton electronic 1088/D - page 8
8 Configuration DIP Switch Set “S2” 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: S2 Summary T able Switch S2-1, S2-2, S2-3, S2-4, and S-5. Reser ved f or factory use and mus ...
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Patton electronic 1088/D - page 9
9 1088/C ignores DTE loop requests. In the Off position, loop requests ma y still be initiated by the front panel s witch. Configuration Switch Set “S3” Use the six DIP Switches in Switch S3 to enable the DTE bit r ate. The f ollowing tab le summar izes def ault positions of DIP Switch S3. Detailed descriptions of each switch f ollow the table ...
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Patton electronic 1088/D - page 10
10 Note Based on the DTE rate chosen, the Model 1088 will automati- cally select the optimum line rate depending on distance and line conditionsfor the distance . The line selection will be based on the lowest line r ate that will suppor t the DTE rate. Switch S3-7: Reset Software Defaults. Switch S3-7 allows the user to reset the software configu ...
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Patton electronic 1088/D - page 11
11 Switch S3-8: T ransmit Data (TD) Sampling Point. Switch 3-8 controls the T ransmit Data (TD) sampling point. 3.2 NETLINK PLUG-AND-PLAY The NetLink Plug-and-Pla y f eature allows ISPs , carriers and PTTs to quickly upg rade the link speed f or a customer without requir ing the cus- tomer to re-configure the Customer Premise (CP) Model 1088. This ...
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Patton electronic 1088/D - page 12
12 When the CO and CP units connect ov er DSL, the CP will enter a pre- defined def ault configuration (Receiv e Recovered Cloc king). Dur ing the negotiation process between the units, the CO unit will configure the DTE rate/line rate on the CP unit as defined b y the settings of the CO unit. When additional bandwidth is required, only the con ...
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Patton electronic 1088/D - page 13
13 4.0 INSTALLATION Once the Model 1088 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 tells you ho w to make these connections. 4.1 CONNECTING THE T WISTED PAIR INTERFACE The Model 1088 suppor ts communication between two DTE de vices at distances to 5 mil ...
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Patton electronic 1088/D - page 14
14 V .35 straight through cab le (See Figure 5). Appendix C describes pin assignments and signal sources f or the Model 1088/C V .35 interface . When purchasing or constructing an interface cab le, please refer to the pin diagrams in Appendix C as a guide . Figure 5. Connecting the Model 1088/C to V .35 Ser ial DTE Connecting the Model 1088/C (V .3 ...
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Patton electronic 1088/D - page 15
15 such as a router . Howe ver , the X.21 interf ace on the Model 1088/D ma y be configured as DTE (Data T er minal Equipment) for connection to DCE such as a modem or multiple xer . When connecting the X.21 interface of the Model 1088/C to your DTE de vice, use a X.21 straight through cab le (See Figure 7). Figure 7. Connecting the Model 1088/D t ...
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Patton electronic 1088/D - page 16
16 The DCE/DTE strap is located on the top side of the 1088/D pc board (See Figure 9, below). The arrows on the top of the strap indicate the configuration of the X.21 por t (f or e xample, if the DCE arro ws are point- ing tow ard the DB-15 connector , the X.21 por t is wired as a DCE). Change the DCE/DTE orientation by pulling the strap out of i ...
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Patton electronic 1088/D - page 17
17 120 V A C Po wer (US) The 100–132 V AC adapter supplied with the U .S. v ersion of the Model 1088 is a wall mount type and ma y be plugged into any approv ed 120 V AC w all jack. 230 V A C Po wer (International) The 230 V AC adapter supplied with the International version of the Model 1088 is a wall mount type and ma y be plugged into any appr ...
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Patton electronic 1088/D - page 18
18 5.0 OPERATION Once the Model 1088 is properly configured and installed, it should oper- ate transparently . This sections descr ibes power-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 have read sec- tion 4.4, “Connecting P ower” on ...
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Patton electronic 1088/D - page 19
19 • Only at power up , blinks once e very 200 ms if the DTE Rate is set to an unsuppor ted settings TM Glows y ellow to indicate that the Model 1095 has been placed in T est Mode. The unit can be placed in test mode by the local user or by the remote user . The TM LED will flash for 400msec when a valid pac ket is receiv ed from the Model 1001M ...
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Patton electronic 1088/D - page 20
20 Overview Figure 13 shows the major elements used in the loop-bac k and patter n tests av ailable in the Model 1088. Each bloc k has sev eral functions. F ol- lowing Figure 13 are descriptions that show ho w the elements are used during T est Modes. Figure 13. Block Diagr am Model 1088 Framer The framer is used to determine the status of the line ...
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Patton electronic 1088/D - page 21
21 lish a connection after the framer begins seeing unframed pac k- ets. The T est Model Timing Char t below shows the amount of time the framer must see consecutiv e unframed pack ets before the unit will restar t and tr y to establish a ne w line connection. The reason that there are diff erent Restar t Times will become apparent after reading th ...
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Patton electronic 1088/D - page 22
22 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 show the data path.. Figure 14. Block Diagr am Local Loop Mode 1 Figure 15. Block Diagr am Local Loop Mode 2 Local Loop There are two diff erent modes of operation for a Local Loop depending o ...
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Patton electronic 1088/D - page 23
23 data presented at the f ar end DTE will be transmitted to the local DTE and then looped back within the local DTE Loop Con- trol bloc k 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. Figure 16. Block Diagr am Local Loop Mode 1 with 511/511E Fi ...
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Patton electronic 1088/D - page 24
24 DTE are not valid. Because the data is unframed there is no wa y for the framer to send this data out to the DTE. This is an impor tant distinction because other P atton 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 unav ailable f or transmis- sion. As ...
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Patton electronic 1088/D - page 25
25 Figure 19. Block Remote Loop with 511/511E Remote Digital Loop with 511/511E The Remote Digital Loop with 511/511E is shown abo ve . After RDL is established the Remote units' Restart Timer is set to one minute. This has been done because when the 511/511E gen- erator is star ted on the local unit, the Remote framer begins seeing unframed p ...
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Patton electronic 1088/D - page 26
26 units enable the 511/511E pattern within 4 seconds of each other , both units will be tr ansmitting and receiving the 511/511E pattern. Both framers are now receiving unframed data and will restar t after one minute. The 511/511E pattern generators will TimeOut after 45 seconds re-enabling the normal data path. The ER led will begin flashing un ...
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Patton electronic 1088/D - page 27
27 APPENDIX A SPECIFICATIONS A.1 CLOCKING MODES Internal, Exter nal, or Receive Recov ered A.2 DTE RATE All 64k steps from 64 to 2304 kbps A.3 DTE INTERFACE V .35 (Model 1088/C), DCE Orientation; X.21 (Model 1088/D), DCE or DTE Orientation depending upon or ienta- tion of PC-board mounted daughter board A.4 DTE CONNECTOR M/34 F emale (Model 1088/C) ...
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Patton electronic 1088/D - page 28
28 A.8 POWER +5 VDC external desk top power supply , 90-260V AC , 50-60 Hz (Univer- sal Input), 10W or -48 VDC A.9 COMPLIANCE FCC P ar t 15, CE, CTR1 A.10 T RANSMISSION LINE Single T wisted Pair A.11 LINE CODING CAP (Carrier less Amplitude and Phase Modulation A.12 LINE RATES (DSL LINE) 144, 272, 400, 528, 784, 1040, 1552, 2064, 2320 kpbs A.13 LINE ...
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Patton electronic 1088/D - page 29
29 APPENDIX B F ACTOR Y REPLACEMENT P AR TS AND ACCESSORIES Model # Description 1088/C V .35 mDSL Rock et (CAP) 1088/D X.21 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 Un ...
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Patton electronic 1088/D - page 30
30 APPENDIX C MODEL 1088/C INTERF ACE PIN ASSIGNMENTS V .35 Interf ace (M/34 F emale Connector) (DCE Orientation) Pin # Signal B SGND (Signal Ground) C R TS (Request to Send) (DTE Source) D CTS (Clear to Send) (DCE Source) E DSR (Data Set Ready) (DCE Source) F CD (Carrier Detect) (DCE Source) H DTR (Data T er minal Ready) (DTE Source) L LLB (Local ...
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Patton electronic 1088/D - page 31
31 APPENDIX D MODEL 1088/D INTERF ACE PIN ASSIGNMENTS X.21 Interf ace (D-Sub-15 F emale Connector) (DTE /DCE Orientation) Pin # Signal 1 F rame Ground 2 T (T ransmit Data-A) (DTE Source) 3 C (Control-A) (DTE Source) 4 R (Receive Data-A) (DCE Source) 5 I (Indication-A) (DCE Source) 6 S (Signal Element Timing-A) (DCE Source) 7 BT (Byte Timing-A) (DCE ...
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Patton electronic 1088/D - page 32
32 APPENDIX E MODEL 1088/C AND 1088/D T RANSMISSION DISTANCE CHAR T T able 3: T ransmission Distance - Patton NetLink Model 1088 Cop yright © 2000, 2006 P atton Electronics Company All Rights Reser ved. T ransmission Distance - Patton NetLink Model 1088 Line Rate DTE Rates kbps feet miles km feet miles km 14 4 64, 128 21400 4.0 6.6 30700 5.8 9.4 2 ...
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