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SB SERIES
FIBEROPTIC SWITCH
User’s Manual
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Contents Safety Information, Instructions, and Symbols.......................................................................1 Safety Information...........................................................................................................1 Classification .......................................................................................................1 Disconnecting from Line Power ...........................................................................1 Line Power Requirem
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Sample Driver Application: Electrical Equivalent of Driver.............................................17 Powering Up the Switch ................................................................................................18 Using and Selecting a Channel.....................................................................................18 Setting the GPIB Address .............................................................................................19 Setting the Interface Command Set
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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
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Safety Information, Instructions, and Symbols Safety Information Classification The unit consists of an exposed metal chassis that is connected directly to earth via a power cord and, therefore, is classified as a Class 1 instrument. Class 1 refers to equipment relying on ground protection as a means of shock protection. The following symbol is used to indicate a protective conductor terminal in the unit. Disconnecting from Line Power Some of the circuits are powered whenever the unit is connect
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Safety Instructions T he 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. JDS Uniphase assumes no liability for the customer’s failure to comply with any of these safety requirements. B efore Initializing and Operating the Unit Inspec
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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. • Disconnect the power cord from the unit before adding or removing any components. • Operating the unit in the pre
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Safety Symbols T he 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 De scription Laser safety. See the user’s manual for instructions on handling and operating the unit safely. See the user’s manual for instructions on handling and operating the unit safely. Electrostatic discharge (ESD). See the user’s manual for instructions on handling and operating the unit safely.
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Compliance CE Compliance T he 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. The unit has been designed and tested to comply with directive 89/336/EEC, exclusive of the 1997 amendment. The directive relates to e
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G eneral Information and Specifications General Information 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, flexibility, and portable enclosure are suitable for a wide range of applications, including fiberoptic component testing systems, remote fiber test systems i
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Figure 2: Single-Common Configuration Dual-Common (SB-D) Switch Configuration The D configuration provides simultaneous connection of a bank of inputs to outputs (Figure 3). The input A can be connected to 1A of 1B or …(N/2)A. In this dual-common configuration, channel connections are stepped in pairs. The channel displayed is the current channel pair (A and 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 D
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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 Key Features • Up to 48 channels • Typical insertion loss 0.4 dB • Typical repeatability 0.003 dB • Typical return loss 65 dB • Local control and remote control via IEEE 488 and RS232 interfaces Applicatio
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Specifications Th e 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 T ypical M aximum Insertion loss 1 single-mode 0.4 dB 0.7 dB 1 multimode 0.3 dB 0.6 dB Return loss 2 single-mode standard/analog 65 dB/>65 dB 60 dB/65 dB (minimum) 3 multimode standard/analog 25 dB/35 dB 20 dB/30 dB
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Table 3: Operating Specifications Local control • Step-up, step-down channel selection • Control of one external relay driver • IEEE 488.1 address selection • Return-to-local function • Language selection Remote • GPIB interface: control IEEE 488.1 1987 capability SH1, AH1, T6, L4, SR1, PP0, DC1, C0, E1 • RS232 interface: setting 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 E
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Getting S tarted 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. Initial Inspection Wa rning To avoid electrical shock, do not initialize or operate the unit if it bears any sign of
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T emperature 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. V entilation T he unit contains a built-in cooling fan. Do not install it in any location where the ventilation is blocked. For optimum performance, the unit must be operated from a lo
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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. Wrap the unit in anti-static packaging. Use anti-static connector covers, if applicable. 4. Pack the unit in a reliable shipping container. 5. Use enough shock-absorbing material (10 to 15 cm or 4 to 6 in on all sides) to c
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1. Blow the sleeve with filtered compressed air (Figure 6). Figure 6: Connector Cleaning (connector type can vary) 2. Apply optical grade isopropyl alcohol or optical grade ethanol (do not use rubbing alcohol) to a small area of a lint-free towel and rub the end of the ferrule over the wet area. 3. Wipe the ferrule on a dry area of the lint-free towel. 4. Using the dusting gas or compressed air, blow the end of the ferrule. 5. Apply the alcohol or ethanol to a lint-free pipe cleaner or swab and
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Operating and Maintenance Instructions Front Panel The front of the switch is shown in Figure 7. Figure 7: Front of the Switch Operating Keys The operating keys are described in Table 5. Table 5: Operating Keys Key Description I / O Turns the power on (I) and off (O) DRIVER 1 Toggles driver 1 on and off GPIB ADDR Sets the switch to GPIB Address (IEEE 488.1) mode LOCAL Returns the switch to Local mode from Remote mode ▲ Channel increment key ▼ Channel decrement key Status LEDs The status LEDs are
