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You~ Artisan Scientific is Source for: Quality New and Certified-Used/Pre:-awned ECJuiflment • Tens of Thousands of In-Stock Items • Hundreds of Manufacturers Supported Service Center Repairs Experienced Engineers and Technicians on staff in our State-of-the-art Full-Service In-House Service Center Facility We bUy used equipment! We also offer credit for Buy-Backs and Trade-Ins Sell your excess.
CE Compliance...5 General Information and Specifications ...6 General Information ...6 Single-Common (SB-C) Switch Configuration ...6 Dual-Common (SB-D) Switch Configuration ...7 Single Step Dual Common (SB-E) Switch Configuration ...7 Dual-Common Blocking (SB-F) Switch Configuration ...8 Key Features ...8 Applications ...8 Standard Accessories...8 Optional Accessories ...8...
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Setting the Interface Command Set for SC and SX Switches ...19 Controlling the Drivers...19 Controlling the Switch Locally ...20 Controlling the Switch Remotely by GPIB Interface ...20 Controlling the Switch Remotely by RS232 Interface...20 Calibrating the Switch...21 Maintaining the Switch ...21 Programming Guide...23...
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For sales and service information, contact JDS Uniphase or your local representative. JDS Uniphase Corporation 570 West Hunt Club Road Nepean, Ontario, Canada K2G 5W8 Phone: 613 727-1303 Fax: 613 727-8284 E-mail: sales@jdsunph.com Website: http://www.jdsunph.com SD000153 Rev. J May 2000 Artisan Scientific - Quality Instrumentation ...
(receptacle). The power cord must always be accessible from one of these points. If the unit is installed in a cabinet, the operator must be able to disconnect the unit from the line power by the system’s line-power switch. Line Power Requirements The unit can operate from any single-phase AC power source that supplies between 100 and 240 V at a frequency range of 50 to 60 Hz.
Safety Instructions The following safety instructions must be observed whenever the unit is operated, serviced, or repaired. Failure to comply with any of these instructions or with any precaution or warning contained in the user’s manual is in direct violation of the standards of design, manufacture, and intended use of the unit.
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circuit the fuse. Unless absolutely necessary, do not attempt to adjust or perform any maintenance or repair procedure when the unit is opened and connected to a power source. Repairs are to be carried out only by a qualified professional. Do not attempt any adjustment, maintenance, or repair procedure to the unit’s internal mechanism if immediate first aid is not accessible.
Safety Symbols The following symbols and messages can be marked on the unit (Table 1). Observe all safety instructions that are associated with a symbol. Table 1: Safety Symbols Symbol Laser safety. See the user’s manual for instructions on handling and operating the unit safely.
Compliance CE Compliance The unit has been designed and tested to comply with directive 73/23/EEC and its subsequent amendments by the European Community (EC or CE). The directive relates to electrical equipment designed for use within certain voltage limits. It ensures that electrical equipment is constructed with good engineering practice in safety matters.
This user’s manual for the SB Series Fiberoptic Switch contains complete operating instructions. The SB Series 1xN programmable switches are designed to connect a single fiberoptic input channel to any of N (up to 48) output channels (Figure 1). The performance, configuration,...
B). The number of channel pairs is equal to one-half of the total number of channels (N). Figure 3: Dual-Common Configuration Single Step Dual Common (SB-E) Switch Configuration This non-blocking configuration allows any input to be connected to any output, but at the same time, adjacent inputs align with adjacent outputs (Figure 4).
Figure 4: Single-Step Dual-Common Configuration Dual-Common Blocking (SB-F) Switch Configuration This configuration allows one of the inputs to be aligned with an output in a blocking sense, with reduced output channel counts available (Figure 5). Figure 5: Dual-Common Blocking Configuration...
Specifications The following optical specifications describe the warranted characteristics of the unit ( Table 2). Supplementary specifications describe the typical non-warranted performance of the unit (Table 3 and Table 4). Table 2: Optical Specifications Parameter Insertion loss single-mode multimode Return loss single-mode standard/analog multimode...
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8 bits, 1200 baud, 1 stop bit, no parity Command set Revised command set. Capable of emulating command set of JDS Uniphase SC-0 and SX-0 Series switch models. Drivers Eight open collector outputs, sink current 100 mA maximum per output...
Getting Started The SB Series Fiberoptic Switch consists of the switch unit and an AC power cord. The rack- mount kit is optional. Before Initializing and Operating the Unit Inspect the unit for any signs of damage. Read the user’s manual thoroughly, and become familiar with all safety symbols and instructions to ensure that the unit is operated and maintained safely.
Temperature The unit can be operated in the temperature range of 0 to 55 °C. Humidity The unit can be operated in environments with up to 95% humidity (0 to 55 °C). Do not expose it to any environmental conditions or changes to environmental conditions that can cause condensation to form inside the unit.
Ship return material in the original shipping container and packing material. If these are not available, packaging guidelines are as follows: 1. Wear an anti-static wrist strap and work in an ESD controlled area. 2. Cover the front panel with a strip of cardboard. 3.
Installing the Switch Warning In sensitive applications, to avoid shock and vibration, do not mount the switch in non-rigid racks or on top of raised floors or tables. Avoid use with high- impact doors that lack impact-reducing bumpers upon closing.
Operating and Maintenance Instructions Front Panel The front of the switch is shown in Figure 7. Operating Keys The operating keys are described in Table 5. Table 5: Operating Keys I / O Turns the power on (I) and off (O)
Indicates that the GPIB or RS232 interface is in Remote mode. All front-panel keys except Local are locked out. LOCK Indicates that the SB switch is in Local Lockout mode. This mode prevents the Local key from returning the SB switch to Local mode. ADDR...
Figure 9: Switch Setup without TTL External Switch Module with TTL Input Controls The setup for a switch with TTL is shown in Figure 10. Figure 10: Switch Setup with TTL Sample Driver Application: Electrical Equivalent of Driver A sample driver application is shown in Figure 11.
Powering Up the Switch To power up the switch: 1. Connect the switch to the AC power source with the AC power cord provided. 2. Set the power switch to (on) to initialize the SB switch. All key lamps and status LEDs light.
B show as odd-numbered. The path connected to common fiber A is B - 1. In all configurations, channel 0 is an open circuit, that is, the switch is in an unconnected state. Setting the GPIB Address Set the SB switch to GPIB mode to display and edit the GPIB address: 1.
Controlling the Switch Locally To operate the switch using the front panel: 1. If the REM status LED is lit, press the Local key once to set the SB switch to Local mode. 2. Press the key to select the switch position required. In SB-E configurations, the display shows the common B switch position.
PRINT #1, "CLOSE 5" PRINT #1, "CLOSE? " INPUT #1,A$ PRINT A$ Calibrating the Switch No calibration is required. Maintaining the Switch Clean the connector ends with a lint-free tissue and alcohol before every mating. See the Cleaning Connectors section.
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6. Reinstall the connector panel, guiding the fibers back to ensure that they do not bend sharply. Operating and Maintenance Instructions – 22 Artisan Scientific - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisan-scientific.com...
Setting the GPIB Address To display or edit the GPIB interface address: 1. Press the GPIB ADDR key to set the switch to GPIB mode. The current GPIB address is displayed. (The factory-set GPIB address is 7.) 2. To change the address, press the Artisan Scientific - Quality Instrumentation ...
3. Press the GPIB ADDR key. The new address is activated and stored. To leave the GPIB address unchanged, press the Driver 1 key. GPIB Interface Functions The GPIB interface functions are listed in Table 7. Table 7: GPIB Interface Functions Mnemonic source handshake, complete capability acceptor handshake, complete capability...
Table 8: RS232 Interface Specifications Name Symbol transmitted data received data request to send clear to send data terminal ready signal ground The data protocol is permanently set to 1200 baud ASCII character code, with eight bits per character, one stop bit, and no parity bit. The serial port of the controlling computer must be configured with the same settings.
All RS232 commands must be terminated with a single <CR> character. The input buffer of the switch can hold as many as 100 characters. If the buffer becomes full, the switch holds the handshaking line on the GPIB interface until space is available.
Query Commands CLOSE? Optical Switch Path Returns the current optical path number. If the switch has two common input fibers (A and B), CLOSE? returns the position of fiber B. CLOSE? MAX returns the maximum channel number. XDR? i Driver Returns the state of an external relay driver (i).
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LRN? Learn Returns a string containing three commands that, if sent, reset the switch to its current state, for example, CLOSE i;XDRS k;SRE l, where i represents the current path number, k represents the states of the external drivers, and l represents the value of the service request enable register.
SRQ mask register Condition Register The condition register monitors the current state of the switch mechanism ( Table 9). Bit 2, the settled condition bit, is 1 when the switch mechanism has stopped at the desired channel and 0 when the switch is moving to a new output channel. The CNB? query command returns the value of the condition register.
Bit 2 (settled) is set when bit 2 in the condition register changes from 0 to 1. Bit 0 (parameter error) is set when a parameter value is out of the range of the SB switch. The status register can be read with the status register query (STB?) or by serial polling the GPIB interface.
GPIB instrument. Before using any of these samples, ensure that the GPIB address is set to 7, the interface command set is SB, the ULI.EXE driver is loaded, and the switch is connected to the computer via a GPIB cable.
Generating a Service Request Interrupt This example tests the service request interrupt function. It unmasks the settled bit in the SRQ mask register and selects a channel. An interrupt is generated when the switch reaches the channel. ON PEN GOSUB SPOLL PEN ON PRINT #1, "OUTPUT 07;CSB;SRE 4"...
PRINT SR1 Setting the Interface Command Set The SB switch can be set to emulate the interface command sets of earlier models of JDS Uniphase SC Series and SX Series switches. Artisan Scientific - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisan-scientific.com...
To change the command set: 1. Press and hold the GPIB ADDR key while the SB switch powers up. The active interface setting is displayed. 2. Press the key to scroll to the required command set, for example, SB, SC, or SX.
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Bit 6 Bit 5 Bit 4 These bits are usually set to 0. Bit 6 (RQS) is set to 1 when the SB switch generates a service request interrupt. Artisan Scientific - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisan-scientific.com...
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You~ Artisan Scientific is Source for: Quality New and Certified-Used/Pre:-awned ECJuiflment • Tens of Thousands of In-Stock Items • Hundreds of Manufacturers Supported Service Center Repairs Experienced Engineers and Technicians on staff in our State-of-the-art Full-Service In-House Service Center Facility We bUy used equipment! We also offer credit for Buy-Backs and Trade-Ins Sell your excess.