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Summary of Contents for Patton electronics 1010A
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Page 1: User Manual
USER MANUAL MODEL 1010A Miniature, High Speed Short Range Modem with Transformer Isolation Part# 07M1010A-A SALES OFFICE Doc# 039011UA (301) 975-1000 Revised 11/8/95 TECHNICAL SUPPORT (301) 975-1007... -
Page 2: Warranty Information
The Model 1010A has been tested and found to comply with the limits for a Class A computing device in accordance... -
Page 3: General Information
RS-232 devices communicate between buildings, over two twisted pair. Supporting asynchronous data rates to 115.2 Kbps, the Model 1010A derives the necessary power for operation from the data and control voltages on the RS-232 interface. DC transformer isolation on the line side gives the Model 1010A immunity to ground loops that would otherwise hamper between-building communications. -
Page 4: Appendix Bspecifications
3.1 SETTING THE DTE/DCE SWITCH accessible DCE/DTE switch (see figure below). If the device connected to the Model 1010A is a modem or multiplexer (or is wired like one), set the switch to "DTE". This setting causes the Model 1010A to behave like Data Terminal Equipment and transmit data on pin 2. -
Page 5: Installation
1010A directly into the DB-25 port of the RS-232 device. After doing so, remember to insert and tighten the two captive connector screws. (Note: If you must use a cable to connect the Model 1010A to the RS-232 device, make sure it is a straight through cable of the shortest possible length—we recommend 6 feet or less). - Page 6 4.1.2 TWISTED PAIR CONNECTION USING TERMINAL BLOCKS If your RS-422 application requires you to connect two pairs of bare wires to the Model 1010A, you will need to open the case to access the terminal blocks. The following instructions will tell you how to open the case, connect the bare wires to the terminal blocks, and fasten the strain relief collar in place so that the wires won't pull loose.
- Page 7 "G" on the terminal block. To avoid ground loops, we recommend connecting the shield at the computer end only. A ground wire is not necessary for proper operation of the Model 1010A. 7. When you finish connecting the wires to the terminal block, the...