Instruction/ maintenance manual of the product 460 Patton electronic
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USER MANUAL MODEL 460 SERIES G.703 Coax to T wisted P air Adapter (Balun) SALES OFFICE (301) 975-1000 TECHNICAL SUPPOR T (301) 975-1007 P ar t# 07M460 Doc# 019021U Rev .
2 CONTENTS 1.0 Warranty Information ................................................................. 3 1.1 Service and Support ..................................................................... 3 1.2 CE Notice .....................................
3 1.0 WARRANTY INFORMATION P atton Electr onics warrants all Model 460 components to be free from def ects, and will—at our option—repair or replace the product should it f ail within one year from the first date of shipment.
4 2.0 PRODUCT DESCRIPTION The P atton Model 460 Series enables 75-ohm coax hardw are to com- municate with 120-ohm twisted-pair equipment. The Model 460 Series specifically address the ONP requirement that European PTTs off er 120- ohm twisted-pair terminations to their customers.
5 Figure 1. Model 460 functional diagram 2.1 RJ-45 JACK AND TERMINAL BLOCK DESCRIPTIONS Shielded RJ-45 Jack: • Pins 1 and 2 (see Figure 1) are the balanced inputs. The balanced sig- nals are conv erted to an unbalanced signal on the center conductor of the TX Out coax connector .
6 3.0 CONFIGURATION Note If you ha v e a Model 460-TBP , it does not require configuration; refer to section 4.0, “Installation” on page 8. The f ollowing section describes configuring the Model 460. The Model 460 Series are preset to work in most applications without additional configuration.
7 Figure 3. JP1 and JP2 locations for 460M 2. Using Figure 2 as a ref erence, remo ve the desired jumper(s) to break one or both shield connections. Note Do not lose the jumper(s). 3. Align the case halves and end inserts and snap the case halves back together .
8 4.0 INSTALLATION The sections on the ne xt page describe installing the follo wing: • Model 460 (see section 4.1, “Installing the Model 460” on page 8) • Model 460-TBP (see section 4.2, “Installing the Model 460-TBP” on page 8) Ref er to the appropriate section to install your unit.
9 Figure 4. Model 460-TBP terminal block interf ace wiring diagram 3. Connect one pair of wires to the two XMT (transmit) positions on the terminal block. The Model 460-TBP is not polarity sensitive so either wire ma y connect to either pole. See Figure 4.
10 APPENDIX A SPECIFICATIONS A.1 TRANSMISSION LINE ITU/CCITT G.703 (unstructured) A.2 DATA RATE 2.048 Mbps maximum A.3 UNBALANCED COAXIAL CONNECTION • Dual coax f emale BNC connectors (RG 59 or 2002 coax) • Nominal line impedance: 75 ohms A.
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An important point after buying a device Patton electronic 460 (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 460 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 460 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Patton electronic 460 you will learn all the available features of the product, as well as information on its operation. The information that you get Patton electronic 460 will certainly help you make a decision on the purchase.
If you already are a holder of Patton electronic 460, 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 460.
However, one of the most important roles played by the user manual is to help in solving problems with Patton electronic 460. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Patton electronic 460 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
