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Summary of Contents for Albalá Ingenieros DSW3000C03
- Page 1 DSW3000C03 G.703 2048 kbit/S (E1) AUTOMATIC CHANGE-OVER SWITCH Version 1.0 Albalá Ingenieros, S.A. 21 December 2016 - © Albalá Ingenieros S.A. - All rights reserved Medea, 4 - 28037 Madrid - Spain...
- Page 2 DSW3000C03...
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Page 3: Table Of Contents
4.3.3. Operation in Manual Mode ..................... 22 4.4. Description of the GPI connector ................... 22 4.5. Module remote control and supervision ................24 4.5.1. Details of the DSW3000C03 registers ................. 25 5. GLOSSARY ........................27 6. REGULATIONS ........................29 7. VERSIONS ......................... 31... - Page 4 DSW3000C03...
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Page 5: Description
GPI connectors, all based upon a set of priorities. In order to detect a lack of signal at the inputs, the DSW3000C03 includes Loss of Signal detectors (LOS) and Alarm Indicator Signals (AIS) for each input. -
Page 6: Features
• Module control and supervision can be done remotely when the mounting frame is equipped with a communications controller module. • One UR3000 mounting frame can house up to 12 DSW3000C03 modules. If power supply redundancy is required and FA3000 or FA3001 modules are used then only 10 modules can be housed in the mounting frame. -
Page 7: Block Diagram
Albalá Ingenieros | Manual DSW3000C03 1.3. Block diagram... - Page 8 Albalá Ingenieros | Manual DSW3000C03 DSW3000C03...
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Page 9: Specifications
Albalá Ingenieros | Manual DSW3000C03 2. SPECIFICATIONS 2 Mbps G.703 signal input Connector Impedance 75 Ω ± 1 % Return loss >18 dB up to 3.072 MHz Encoding and electrical characteristics According to ITU-T G.703.9 standard 2 Mbps G.703 signal output... - Page 10 Albalá Ingenieros | Manual DSW3000C03 DSW3000C03...
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Page 11: Installation
ELECTROSTATIC DISCHARGE. Always use antistatic bags clearly identified with a high degree of shielding for storage and transportation. The DSW3000C03 module is composed of two parts: one DSW3000P03 main board and one DSW3000P02 rear board. Both parts must be installed in a UR3000 or UR3100 mounting frame following the instructions in the corresponding section of this chapter. -
Page 12: Environmental Considerations
3.5. Installing the module in the mounting frame The steps needed to install the DSW3000C03 module with the rear board in the mounting frame are: 1 - Disconnect all power cords from the power supplies of the mounting frame. - Page 13 Albalá Ingenieros | Manual DSW3000C03 Details for installation of the module in 3 RU mounting frames Details for installation of the module in 1 RU mounting frames...
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Page 14: Interconnection
The following figure shows the DSW3000C03 module rear board connector layout. Rear view of the DSW3000C03 The DSW3000C03 module provides three signal inputs (MAIN IN, RES.IN and AUX. IN) and three signal outputs (MAIN OUT, OUT and OUT). The connector labeled ''MAIN OUT'' corresponds to the output signal protected by a bypass relay that connects it to ''MAIN IN'' and provides signal continuity in the case of a power supply failure. -
Page 15: Gpi Connections
Albalá Ingenieros | Manual DSW3000C03 TERMINAL NAME FUNCTION This input is used to indicate that an error in the signal has MAIN FAIL IN occurred at the MAIN IN input before reaching the DSW3000 This input is used to indicate that an error in the signal has RES. -
Page 16: Bypass Control Input
Albalá Ingenieros | Manual DSW3000C03 For modules with software versions after 1.6: Before connecting these signals please consult the maximum values shown in the specifications section. Never connect dangerous potentials to GPI inputs. 3.6.2. Bypass control input The bypass control input uses 3.81 mm pitch terminal block connectors and their... -
Page 17: Gpo Connections
Albalá Ingenieros | Manual DSW3000C03 3.6.3. GPO connections GPO outputs use 3.81 mm pitch terminal block connectors and their equivalent circuit is as follows: Before connecting these signals please consult the maximum values shown in the specifications section. Never connect dangerous potentials to GPO outputs. - Page 18 Albalá Ingenieros | Manual DSW3000C03 DSW3000C03...
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Page 19: Operation
Albalá Ingenieros | Manual DSW3000C03 4. OPERATION This section describes the significance of the front panel indicators of the DSW3000C03 module and their remote control and monitoring ability. 4.1. Front panel description The appearance of the front panel and the elements it contains are shown in the following illustration. - Page 20 Albalá Ingenieros | Manual DSW3000C03 In the MODE box: FULL AUTO: Green. This LED lights up when the operating mode selected is Automatic. HALF AUTO: Green. This LED lights up when the operating mode selected is Semiautomatic. If neither of these two LEDs is lit then the operating mode is Manual.
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Page 21: Configuration From The Front Panel
In order to avoid unnecessary switching the recovery time of the automatic switch after an error condition has been cleared is 15 seconds. Also, when an error is detected at a given input, the DSW3000C03 will only switch to the next highest priority input if that input is receiving a valid signal. -
Page 22: Operation In Semiautomatic Mode
The input terminals of the connector are: - MAIN FAIL IN, RES. FAIL IN, AUX. FAIL IN. The grounding of any of these GPIs is interpreted by the DSW3000C03 as an error identical to an actual error detected on the corresponding input. - Page 23 Finally, there is a GPI terminal labeled BYPASS that is normally connected to ground via an internal bridge. This bridge can be replaced by an external control circuit. If this circuit opens then the DSW3000C03 performs a bypass via relays from the main input to one of the outputs.
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Page 24: Module Remote Control And Supervision
Albalá Ingenieros | Manual DSW3000C03 4.5. Module remote control and supervision The DSW3000C03 can optionally be remotely controlled/supervised. In order to perform remote configuration and supervision of the module an optional TL3000 family remote communications controller must be installed in the mounting frame. -
Page 25: Details Of The Dsw3000C03 Registers
- Supervision of the input signal's status. 4.5.1. Details of the DSW3000C03 registers The DSW3000C03 module provides control and status registers that can be read and written by means of specific commands described in the communication control module user manuals. - Page 26 Albalá Ingenieros | Manual DSW3000C03 MAIN_FAIL 0x00 0x01 Main input status 0=OK,1=Fail EXT_MAIN_FAIL 0x00 0x02 Main external input fail status 0=OK,1=Fail RES_FAIL 0x00 0x04 Reserve input status 0=OK,1=Fail EXT_RES_FAIL 0x00 0x08 Reserve external input fail status 0=OK,1=Fail AUX_FAIL 0x00 0x10...
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Page 27: Glossary
Albalá Ingenieros | Manual DSW3000C03 5. GLOSSARY Alarm Indication Signal. Signal generated by certain equipment that uses ITU-T G.703 signals when a failure is detected. The standard is defined by ITU T G.775. DVB-ASI Asynchronous Serial Interface. An asynchronous serial interface for DVB streams that is one of the principal formats for transmission of MPEG-2 streams over cable. - Page 28 Albalá Ingenieros | Manual DSW3000C03 DSW3000C03...
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Page 29: Regulations
Albalá Ingenieros | Manual DSW3000C03 6. REGULATIONS ITU-T G.703 (2001) Physical/electrical characteristics of hierarchical digital interfaces. SMPTE ST 259 (2008) SDTV Digital Signal/Data Serial Digital Interface. See also: ITU-R BT.656-5... - Page 30 Albalá Ingenieros | Manual DSW3000C03 DSW3000C03...
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Page 31: Versions
Albalá Ingenieros | Manual DSW3000C03 7. VERSIONS Ver. Date Description 13-06-2013 Preliminary Version 21-12-2016 First version... - Page 32 Albalá Ingenieros, S.A. Medea, 4 - 28037 Madrid Spain +34 913274453 www.albalaing.com info@albalaing.com...
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