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I R T Electronics Pty Ltd A.B.N. 35 000 832 575
26 Hotham Parade, ARTARMON N.S.W. 2064 AUSTRALIA
National:
Phone: (02) 9439 3744
Fax: (02) 9439 7439
International:
+61 2 9439 3744
Email: sales@irtelectronics.com
Web:
www.irtelectronics.com
3010-dda.ib.rev1.doc
+61 2 9439 7439
IRT Eurocard Type
140/155 Mb/s G.703 6 O/P
Reclocking Distribution Amplifier
Designed and manufactured in Australia
IRT can be found on the Internet at:
http://www.irtelectronics.com
DDA-3010
Page 1 of 10
05/07/2006
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Summary of Contents for IRT DDA-3010
- Page 1 +61 2 9439 7439 Email: sales@irtelectronics.com Web: www.irtelectronics.com IRT Eurocard Type DDA-3010 140/155 Mb/s G.703 6 O/P Reclocking Distribution Amplifier Designed and manufactured in Australia IRT can be found on the Internet at: http://www.irtelectronics.com 3010-dda.ib.rev1.doc Page 1 of 10 05/07/2006...
- Page 2 Maintenance & storage Warranty and service Equipment return Drawing index This instruction manual applies to DDA-3010 later than S/N 0401001 Operational Safety: WARNING Operation of electronic equipment involves the use of voltages and currents that may be dangerous to human life. Note that under certain conditions dangerous potentials may exist in some circuits when power controls are in the OFF position.
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Page 3: Description
Signal present. 155 Mb/s operation. 140 Mb/s operation. Power on. The DDA-3010 may be mounted in IRT’s 1 RU or 3 RU frames with other analogue or digital modules. Standard features: • Input and output connections on the rear panel. -
Page 4: Specifications
3 VA (< 107 mA). Other: Temperature range 0 - 50° C ambient Mechanical Suitable for mounting in IRT 19" rack chassis with input, output and power connections on the rear panel. Finish: Front panel Grey background, black lettering & red IRT logo. -
Page 5: Electrical Characteristics Of Signal
Electrical characteristics of signal CMI coded binary signal - to ITU-T Rec G.703 Test load impedance 75 Ohms resistive. 1.0 ±0.1 V. Nominal peak to peak Rise time between 10% and 90% amplitudes of the measured steady state amplitude < 2 ns. Negative transitions: ±... -
Page 6: Technical Description
Technical Description The input circuit of the DDA-3010 consists of an adaptive cable equaliser IC, which automatically adapts to equalise any cable length from zero metres to lengths that attenuate the signal by 40 dB at 200 MHz. This corresponds to 300 metres of Belden 8281 cable. -
Page 7: Installation
Power: Ensure that the voltage selection of the IRT mounting frame used to house the DDA-3010 and the local AC mains supply voltage match and that the correct rating fuse is installed in the mounting frame power supply. -
Page 8: Front & Rear Panel Connector Diagrams
Front & rear panel connector diagrams The following front panel and rear assembly drawings are not to scale and are intended to show relative positions of connectors, indicators and controls only. ZVA-3010RL DD A- 3 0 1 0 POWER OFF BYPASS SK1 SK2 OUTPUTS... -
Page 9: Maintenance & Storage
For situations when “No Fault Found” for repairs, a minimum charge of 1 hour’s labour, at IRT’s current labour charge rate, will apply, whether the equipment is within the warranty period or not. -
Page 10: Drawing Index
Drawing Index Drawing # Sheet # Description 804823 DDA-3010 Circuit Schematic 3010-dda.ib.rev1.doc Page 10 of 10 05/07/2006... - Page 11 1 26-08-2003...
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