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Patton electronic 1012B manual

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Table of contents for the manual

  • Page 1

    USER MANUAL MODEL 1012B Asynchronous Carrier Controlled Short Range Modem SALES OFFICE (301) 975-1000 TECHNICAL SUPPORT (301) 975-1007 http://www .patton.com P ar t# 07M1012B Re v . A Doc# 040061U Re vised 10/28/03 An ISO-9001 Certified Company Copyright © 2003 Patton Electronics Company All rights reserved. Dear V alued Customer , Thank you for p[...]

  • Page 2

    1.0 W ARRANTY INFORMA TION Patton Electronics warrants all Model 1012B 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[...]

  • Page 3

    Figure 1. Model 1012B Board, showing switch and strap locations 3 T o change the DTE/DCE setting, do the following: 1. Using a small screwdriver , insert the tip into one of the slots in the side of the Model 1012B (see Figure 2). 2. Rotate the screwdriver as shown in Figure 2 to open the case. 3. If the device connected to the Model 1012B is a PC,[...]

  • Page 4

    3.2 SETTING THE RTS/CD CARRIER CONTROL JUMPER The RTS/CD jumper (see Figure 1) is identified as J2 inside the 1012B (see Figure 1). T o access this strap, do the following: 1. Using a small screwdriver , insert the tip into one of the slots in the side of the Model 1012B (see Figure 2). 2. Rotate the screwdriver as shown in Figure 2 to open the cas[...]

  • Page 5

    Signal/Pin Assignments The 6-wire RJ-1 1 and 8-wire RJ-45 jack options for the Model 1012B are prewired for a standard TELCO wiring environment. Use the guide below when ordering or constructing twisted pair cables. RJ-1 1 SIGNAL RJ-45 SIGNAL 1 . . . . . .GND† 1 . . . . . . .N/C 2 . . . . . .RCV - 2 . . . . . .GND† 3 . . . . . .XMT+ 3 . . . . .[...]

  • Page 6

    A T&T standard modular pin assignments 4.2 WIRING FOR MUL TI-POINT CIRCUITS The Model 1012B supports multi-point applications using either a star or a daisy chain topology . Both topologies require special wiring. Note: Refer to Section 3.2 for multi-point settings. 4.2.1 ST AR TOPOLOGY Using a star topology , you may connect several Model 1012[...]

  • Page 7

    APPENDIX A SPECIFICA TIONS T ransmission Format: Asynchronous, full duplex, half duplex T ransmission Line: T wo unconditioned twisted pair A WG 19–26 Interfaces: EIA RS-232, ITU/CCITT V .24 Data Rates: 0–38.4 kbps Isolation: Minimum 1500 V RMS via custom transformers Surge Protection: 600W power dissipation at 1 mS Factory Switch Setting: DCE [...]

  • Page 8

    APPENDIX C MODEL 1012B BLOCK DIAGRAM 13 14 Notes ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________[...]