Instruction/ maintenance manual of the product 1140RC Patton electronic
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USER MANUAL MODEL 1140RC RS-232 Fiber Optic Rack Card Modem w/ V .54 & V .52 Diagnostics SALES OFFICE (301) 975-1000 TECHNICAL SUPPORT (301) 975-1007 http://www .
1.0 W ARRANTY INFORMA TION Patton Electronics warrants all Model 1 140RC 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.
3.0 CONFIGURA TION This section describes the location and orientation of the Model 1 140RC’ s configuration switches and jumpers, and provides detailed instructions for all possible settings. The Model 1 140RC uses a combination of DIP switches and jumpers that allow configuration to an extremely wide range of applications.
S1-5 and S1-6: Clock Source Switches S1-5 and S1-6 are set in combination to determine the transmit clock source for the Model 1 140RC. S1-5 S1-6 Setting On On Internal transmit clock Off On Receive r.
S2-4 and S2-5: RTS/CTS Delay The combined settings for switches S2-4 and S2-5 determine the amount of delay between the time the Model 1 140RC “sees” R TS and when it sends CTS. Options are no delay , 7 ms and 53 ms. S2-4 S2-5 Setting On On 7 mS Off On 53 mS On Off No delay Off Off No delay S2-8: V .
9 10 3.2.1 HOW THE JUMPER WORKS Figure 4 (below) shows the 3-pin jumpers used on the rear card. The strap enables or disables a particular function depending upon whether it straddles pins 1 and 2, or pins 2 and 3. DTE Shield (Pin 1) & FRGND (JB1) In the connected (closed) position, this strap links DB-25 pin 1 and frame ground.
4.3 WIRING UP THE MODEL 1 140RC Both of the rear interface cards compatible with the Model 1 140RC have one RS-232 port and one dual-connector fiber port (see Figure 6. below). Depending upon the card you have, the fiber port will be either an ST or SMA connector .
13 5.0 OPERA TION Once you have configured each Model 1 140RC and connected the cables, you are ready to operate the units. This section describes the LED status monitors and power-up procedure.
15 16 5.3 TEST MODES The Model 1 140RC of fers two V .54 test modes and two V .52 test modes to evaluate the condition of the modems and the communication link. Both sets of tests can be activated physically from the front panel. The V .54 test can also be activated from the RS-232 interface.
APPENDIX A SPECIFICA TIONS T ransmission Line: Dual optical cable T ransmission Mode: Asynchronous, half or full duplex, point-to-point Interfaces: EIA RS-232, CCITT V .24 Data Rates: 0 - 57.6 Kbps Distance: 2 miles over continuous fiber RTS/CTS Delay: Switch-selectable: No delay , 7.
APPENDIX C PIN CONFIGURA TIONS APPENDIX B F ACTOR Y REPLACEMENT P ARTS The Patton Model 1 140RC rack system features interchangeable rear half cards, power cords/fuses for international various operating environments and other user-replaceable parts.
APPENDIX D BLOCK DIAGRAM Copyright © Patton Electronics Company All Rights Reserved MODEL 1 140RC B LOCK D IAGRAM 21.
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