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USER MANUAL MODEL 2400 56/64 Kbps, 4-Wire DDS and Clear Channel CSU/DSU SALES OFFICE Part# 07M2400-B (301) 975-1000 Doc# 099041UB Revised 7/16/97 TECHNICAL SUPPORT C E R T I F I E D (301) 975-1007 An ISO-9001 http://www.patton.com Certified Company...
The telephone company may decide to temporarily discontinue If this product fails or does not perform as warranted, your sole your service if they believe your Model 2400 Series may cause harm to recourse shall be repair or replacement as described above. Under no the telephone network.
• Works with 56 Kbps DDS, 64 Kbps Clear Channel, or private twisted pair circuits • Switchable Circuit Assurance feature Figure 1. How to Use a Small Flathead Screwdriver to Begin to Open the Model 2400 Case • Seven front panel LEDs monitor power, communication and test status Twist the screw driver head slightly and the top half of the case will •...
Transmit clock derived from the received line signal; Use this mode Figure 4. Position of the DIP Switches on the Model 2400/CM PC board for Dedicated DDS operation Figure 5 (below) shows a close-up of DIP Switch S1 with respect to ON and OFF positions.
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Switch S1-3: Circuit Assurance Switch S1-6: Front Panel Switch Enable/Disable Switch S1-6 determines whether the front panel switches may be On dedicated circuits, the transmitter and the CTS output can be used to perform diagnostic functions. configured to go on only when a working communication circuit is established.
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3.2 INTERFACE POWER OPTION JUMPERS POSSIBLE SETTING COMBINATIONS FOR JP1 & JP2 Function Both versions of the Model 2400 can be powered from the supplied AC power source, from DC power supplied to the power supply jack or 1 & 4 5 &...
4.2 DTE (TERMINAL) CONNECTION 4.3.2 DC POWER CONNECTION The Model 2400 is wired to connect to a DTE. If your terminal You may bypass the AC wall adapters and supply DC power directly device is DCE, contact Patton Electronics Technical Support: (301) to the Model 2400 power supply jack or via the DTE Supplemental 975-1007;...
5.2 BACK PANEL LED STATUS MONITORS Once you have configured the Model 2400 properly (see Section The Model 2400 also features two LEDs that are located on the 3.0) and made line, DTE and power connections correctly (see Section back panel. Figure 8 below shows the positions of the LEDs. Following 4.0), you are ready to operate the unit(s).
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Model 2400, and is performed separately on each unit. Any data have a problem with the twisted pair line between the sent to the local Model 2400 from the DTE in this test mode will be modems. You should then check the twisted pair line for echoed (returned) back to the DTE.
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APPENDIX A APPENDIX B PATTON MODEL 2400 CABLE RECOMMENDATIONS PATTON MODEL 2400 SPECIFICATIONS The following statements apply to the Model 2400 when used as a short range modem over private twisted pair: DDS Type: Dedicated All Patton Electronics Company Short Range Modems (SRMs) are...
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APPENDIX C APPENDIX D MODEL 2400 INTERFACE PIN ASSIGNMENT PATTON MODEL 2400 FACTORY REPLACEMENT PARTS AND ACCESSORIES DDS/CLEAR CHANNEL INTERFACE The DDS/Clear Channel Interface is an RJ-48S modular jack. Patton Model # Description Pin # Signal 2400/AM/120 MicroLink (RS-232, DB-25 Male...
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APPENDIX D (Continued) MODEL 2400/A DB-25 CONNECTOR (RS-232/V.24), TERMINAL INTERFACE Pin # Signal Frame Ground TD(Transmit Data) RD (Receive Data) RTS (Request to Send) CTS (Clear to Send) DSR (Data Set Ready) SGND (Signal Ground) CD (Carrier Detect) User Selectable: Supplemental Power Input or...
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