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Patton electronic 2450 manual

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Table of contents for the manual

  • Page 1

    USER MANUAL MODEL 2450 56/64 Kbps, 4-Wire DDS & Clear Channel CSU/DSU SALES OFFICE (301) 975-1000 TECHNICAL SUPPORT (301) 975-1007 http://www .patton.com Part# 07M2450-B Doc# 099051UB Revised 3/12/97 CERTIFIED An ISO-9001 Certified Company[...]

  • Page 2

    1.0 W ARRANTY INFORMA TION Patton Electronics warrants all Model 2450 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

    2.0 GENERAL INFORMA TION Thank you for your purchase of this Patton Electronics product. This product has been thoroughly inspected by Patton's qualified technicians. If any questions or problems arise during installation or use of this product, please do not hesitate to contact Patton Electronics T echnical Support at (301) 975-1007. 2.1 FEA [...]

  • Page 4

    Switch S1-3: Circuit Assurance On dedicated circuits, the transmitter and the CTS output can be configured to go On only when a working communication circuit is established. If Circuit Assurance is used, enable it on only one end of the communication link. Circuit S1-3 Assurance Description On Enabled CTS will go low and the transmitter will be hel[...]

  • Page 5

    Switch S1-6: Front Panel Switch Enable/Disable Switch S1-6 determines whether the front panel switches may be used to perform diagnostic functions. S1-6 Activation Description Off Enabled Front panel switches may be used to activate/terminate diagnostics On Disabled Front panel switches will have no effect on operation of the unit Switch S1-7: DTE [...]

  • Page 6

    5.0 OPERA TION Once you have configured the Model 2450 properly (see Section 3.0) and made line, DTE and power connections correctly (see Section 4.0), you are ready to operate the unit(s). (Note: the unit is operational as soon as power is applied–there is no power switch.) This section describes the LED status monitors, and use of the built-in [...]

  • Page 7

    • “Error” glows red when errors are detected in test mode during the “51 1” and 51 1/E” tests. This indicator also glows during normal operation to indicated framing errors and/or bipolar violations in 64 Kbps mode, or invalid bipolar violations in 56 Kbps mode (see Figure 7, below). • “T est” glows red when the V .54 loopback tes[...]

  • Page 8

    APPENDIX A P A TTON MODEL 2450 SPECIFICA TIONS DDS T ype: Dedicated T ransmission Format: Synchronous, full duplex Maximum Operating Distance: 18000 feet (3.4 miles) over 26 A WG twisted pair DTE Interface: RS-232 (DB-25 female), RS-422/530 (DB- 25 female), V .35 (M/34 female or DB-25 female) DDS Line Interface: RJ-48S jack Standards: A T&T 623[...]

  • Page 9

    APPENDIX D INTERF ACE PIN ASSIGNMENT DDS/CLEAR CHANNEL INTERF ACE The DDS/Clear Channel Interface is an RJ-48S modular jack. Pin # Signal 1 TX+ 2 TX- 3 no connection 4 no connection 5 no connection 6 no connection 7 RX+ 8 RX- MODEL 2450/C M/34 CONNECTOR (V .35), TERMINAL INTERF ACE Pin # Signal A Frame Ground B SGND (Signal Ground) CR T S D CTS E D[...]

  • Page 10

    (APPENDIX D - Continued) MODEL 2450/A DB-25 CONNECTOR (RS-232/V .24), TERMINAL INTERF ACE Pin # Signal 1 Frame Ground 2T D 3R D 4R T S 5 CTS 6 DSR 7 SGND (Signal Ground) 8C D 15 TC 17 RC 18 LL (Local Loop) 21 RL (Remote Loop) 24 XTC 25 TM (T est Mode) MODEL 2450/B DB-25 CONNECTOR (RS-422/530), TERMINAL INTERF ACE Pin # Signal 1 Frame Ground 2 T ran[...]

  • Page 11

    Dear V alued Customer, Thank you for purchasing Patton Electronics products! W e do appreciate your business. I trust that you f ind this user manual helpful. W e manufacture one of the widest selections of data communications products in the world including CSU/DSU's, network termination units, powered and self-po wered short range modems, fi[...]