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Related Manuals for Patton electronics 2703RC-A
Summary of Contents for Patton electronics 2703RC-A
- Page 1 MODEL 2703RC-A MegaLink-1™ G.703/E1 Digital Modem: Rack Mount Card SALES OFFICE Part# 07M2703RC-A-A Doc# 031122UA (301) 975-1000 Revised 2/4/99 TECHNICAL SUPPORT (301) 975-1007 An ISO-9001 http://www.patton.com Certified Company...
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Page 2: Radio And Tv Interference
However, there is no guarantee that interfer- Patton Electronics' technical staff is also available to answer any ence will not occur in a particular installation. If the Model 2703RC-A questions that might arise concerning the installation or use of your does cause interference to radio or television reception, which can be Model 2703RC-A. -
Page 3: Front Card Configuration
Model 2703RC-A supports Internal (master) and Network (slave) clock- ing. Loopback test is built-in, and front panel LEDs monitor power, net- Figure 2. Close up of the configuration switches work, master clock and test loop. NOTE: The OFF position is oriented toward the front of the Model 2703RC-A... - Page 4 Switches S2 and S3: Rate Adaptation (DTE Rate) The configuration switches on S1 - S8 may be used to set data Set Switches S2 and S3 together to allow the Model 2703RC-A to inversion, the DTE bit rate, and clocking modes. Default settings of S1 adapt to terminal devices that run at data rates less than 2.048 Mbps...
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Page 5: Rear Card Configuration
DB-25 Connector With the 2703RC-A pulled out of the rack or clusterbox chas- sis, locate the driver board on the top of the 2703RC-A front card. Lift the interface board gently off of the PC board. Figure 4. Jumper Locations for the Model 1000RCM703120 Rear Card Locate the correct interface on the bottom of the driver board. - Page 6 Common (synchronized) clocks are used for the X.21 terminal interface. If clocks are synchronized, a DB-25 to DB-15 adapter cable should be used between the Model 2703RC-A and the 120 OHM REAR CARD JUMPERS X.21 terminal device (see Appendix B and Appendix C for details).
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Page 7: The Rack Power Supply
This section describes the functions of the Model 1000R16 rack 75 ohm rear card. Following the table is a description of each jumper’s chassis, tells how to install front and rear Model 2703RC-A cards into function and possible settings. When configuring the jumpers, take care not to lose the individual straps. - Page 8 DB-25 Female DB-15 Female The Model 2703RC-A is comprised of a front card and a rear card. The two cards meet inside the rack chassis and plug into each other by way of mating 50 pin card edge connectors. Use the follow-...
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Page 9: Led Status Monitors
Notice! Any coaxial cable connected to the dual coax rear There is no power switch on the Model 2703RC-A: Power is auto- card must incorporate an outer shield that has no less than matically applied to the Model 2703RC-A when its card-edge connec- 90% coverage. - Page 10 (LAL) mode to assist in evaluating the operation of the local Model Network Interface: G.703 2703RC-A. Any data sent to the local Model 2703RC-A in this test Network Rate: 2.048 Mbps mode will be echoed (returned) back to the user device. For example,...
- Page 11 MODEL 2703RC-A FACTORY REPLACEMENT PARTS MODEL 2703RC-A-A INTERFACE STANDARDS The Patton Model 2703RC-A rack system features interchangeable X.21 Interface rear cards, power cords/fuses for international various operating envi- DB-15 Female Connector ronments and other user-replaceable parts. Model numbers, descrip- tions and prices for these parts are listed below:...
- Page 12 MODEL 2703RC-A-A INTERFACE STANDARDS EIA-530 & V.35 Interface DB25 Female Connector Signal Source FG (Frame Ground) TD(Transmit Data-A) RD (Receive Data-A) RTS (Request to Send-A) CTS (Clear to Send-A) DSR (Data Set Ready-A) SGND (Signal Ground) CD (Carrier Detect-A) RC/ (Receiver Clock-B)
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