Instruction/ maintenance manual of the product MODEL 1075 Patton electronic
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USER MANUAL MODEL 1075 KiloModem II AC Powered, High-Speed X.21 Short-Range Modem SALES OFFICE (301) 975-1000 TECHNICAL SUPPORT (301) 975-1007 http://www .
1.0 W ARRANTY INFORMA TION Patton Electronics warrants all Model 1075 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.
2.0 GENERAL INFORMA TION Thank you for your purchase of this Patton Electronics product. This product has been thoroughly inspected and tested and is warranted for One Y ear parts and labor .
Switches S2-1 and S2-2: Data Rate Switches S2-1 and S2-2 are set in combination to determine the synchronous data rate for the Model 1075. S2-1 S2-2 Setting Off On 32 kbps On Off 56 kbps On On 64 kbps Switches S2-3 and S2-4: System Clock Mode The setting for switches S2-3 and S2-4 determines the transmitter clocking mode for the Model 1075.
3.2 CONFIGURA TION STRAPS In addition to the configuration switches described above, the Model 1075 is also equipped with two internal straps that set the DTE/DCE Configuration and the DB-15 Shield. In order to configure these straps, you must open the Model 1075 case.
3.2.4 Setting the JP1 Shield Strap The setting of JP1 determines whether the shield (pin 1) of the X.21 interface is connected signal ground. In the default setting, DB-15 shield is connected to signal ground. The X.21 shield is not connected to signal ground when the jumper is placed on pins 1 and 2 .
4.3 AC POWER CONNECTIONS Power is supplied to the Model 1075 by a 9 VDC, 1 A wall mount transformer . This transformer connects to the Model 1075 by means of a cannon jack on the rear panel. The Model 1075 is powered-up as soon as it is plugged into an AC outlet–there is no power switch.
5.2 TEST MODES The Model 1075 offers two V .54 test modes to evaluate the condition of the modems and the communication link. These tests are activated from the front panel. 5.2.1 Local Analog Loopback (LAL) The Local Analog Loopback (LAL) test checks the operation of the local Model 1075, and is performed separately on each unit.
C. If the BER test equipment indicates a fault, and the Local Analog Loopback test was successful for both Model 1075s, you may have a problem with the twisted pair line between the modems. Y ou should then check the twisted pair line for proper connections and continuity .
APPENDIX B MODEL 1075 F ACTOR Y REPLACEMENT P ARTS AND ACCESSORIES Patton Model # Description 1075 ................................KiloModem II X.21 Short Range Modem 0805B ..............................120V W all Mount AC Adapter 08059DCI ...........
19 Dear V alued Customer , Thank you for purchasing Patton Electronics products! W e do appreciate your business. I trust that you find this user manual helpful.
An important point after buying a device Patton electronic MODEL 1075 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Patton electronic MODEL 1075 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Patton electronic MODEL 1075 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Patton electronic MODEL 1075 you will learn all the available features of the product, as well as information on its operation. The information that you get Patton electronic MODEL 1075 will certainly help you make a decision on the purchase.
If you already are a holder of Patton electronic MODEL 1075, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Patton electronic MODEL 1075.
However, one of the most important roles played by the user manual is to help in solving problems with Patton electronic MODEL 1075. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Patton electronic MODEL 1075 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
