Related Manuals for VXI SM8000 Series
Summary of Contents for VXI SM8000 Series
- Page 1 SM8000 S ERIES PTICAL WITCH ’ ANUAL P/N: 82-0052-000 Released February 13, 2006 VXI Technology, Inc. 2031 Main Street Irvine, CA 92614-6509 (949) 955-1894...
- Page 2 VXI Technology, Inc.
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Page 3: Table Of Contents
VXI Technology, Inc. ABLE OF ONTENTS NTRODUCTION Certification ..............................6 Warranty ................................6 Limitation of Warranty .............................6 Restricted Rights Legend ..........................6 ..........................7 ECLARATION OF ONFORMITY ...........................9 ENERAL AFETY NSTRUCTIONS Terms and Symbols............................9 Warnings ................................9 ............................11 UPPORT ESOURCES 1 ...................................13 ECTION ...............................13 NTRODUCTION Overview.................................13... - Page 4 VXI Technology, Inc. Control Modes ............................35 Uncalibrated Operation - Move-To-Absolute-Step ...................35 Calibrated Operation..........................35 BUSY Signal .............................36 ERROR Status ............................36 Resetting the Device ..........................36 Commanding the Devices..........................36 4 ...................................37 ECTION ...............................37 ROGRAMMING Register Access ...............................37 Addressing ..............................37 SMIP II Registers - A16 ..........................39 Module Registers - SM8000 Series Controller - A24 / A32 - Extended Memory..........48...
- Page 5 VXI Technology, Inc. SM8000 Series Preface...
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Page 6: Certification
VXI Technology, Inc. shall not be liable for injury to property other than the goods themselves. Other than the limited warranty stated above, VXI Technology, Inc. makes no other warranties, express or implied, with respect to the quality of product beyond the description of the goods on the face of the contract. -
Page 7: Declaration Of Conformity
FCC Part 15 Subpart B Class A EN 61010-1:2001 The product was installed into a C-size VXI mainframe chassis and tested in a typical configuration. I hereby declare that the aforementioned product has been designed to be in compliance with the relevant sections of the specifications listed above as well as complying with all essential requirements of the Low Voltage Directive. - Page 8 VXI Technology, Inc. SM8000 Series Preface...
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Page 9: Terms And Symbols
VXI Technology, Inc. ENERAL AFETY NSTRUCTIONS Review the following safety precautions to avoid bodily injury and/or damage to the product. These precautions must be observed during all phases of operation or service of this product. Failure to comply with these precautions, or with specific warnings elsewhere in this manual, violates safety standards of design, manufacture, and intended use of the product. - Page 10 VXI Technology, Inc. ARNINGS To avoid electric shock or fire hazard, do not operate this product Avoid Electric Shock with the covers removed. Do not connect or disconnect any cable, probes, test leads, etc. while they are connected to a voltage source.
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Page 11: Support Resources
VXI Technology, Inc. UPPORT ESOURCES Support resources for this product are available on the Internet and at VXI Technology customer support centers. VXI Technology World Headquarters VXI Technology, Inc. 2031 Main Street Irvine, CA 92614-6509 Phone: (949) 955-1894 Fax: (949) 955-3041... - Page 12 VXI Technology, Inc. SM8000 Series Preface...
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Page 13: Section 1
NTRODUCTION VERVIEW The SM8000 series optical switching modules are members of the VXI Technology SMIP II™ family. They offer a modular design allowing custom switching configurations. Due to the nature of routing fiber optic cables and modules, the SM8000 series cannot be mixed in one base unit with other standard SMIP II products. -
Page 14: Sm8000 Series - Optical Switch Controller
This includes up to 12 single mode prism switches, or 4 multi-switch modules of various configurations, or 4 variable attenuators or tunable filters. The optical modules may be mixed and matched on a single SM8000. Please contact VXI Technology, Inc. directly for available configurations. -
Page 15: Sm8001 / Sm8002 - Multi-Channel Switches
VXI Technology, Inc. SM8001 / SM8002 - M ULTI HANNEL WITCHES The SM8001 and SM8002 base units house the 1xN and 2xN multi-channel switches. They each hold up to four optical switch modules. Each switch module can be either a 1xN (where N ranges from 1 to 32) or a 2xN (where N ranges from 2 to 30). - Page 16 VXI Technology, Inc. open open open 1 x N Duplex 1 x N open open open open open open 2 x N Blocking 2 x N Non-Blocking 1-2: SM8001 / 8002 S IGURE WITCHES SM8000 Series Introduction...
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Page 17: Sm8001 / Sm8002 Multi Switch Specifications
VXI Technology, Inc. SM8001 / SM8002 M ULTI WITCH PECIFICATIONS ENERAL PECIFICATIONS AVELENGTH ANGE 780 – 1650 nm NSERTION 0.6 dB typical, 1.2 dB maximum EFLECTION Single-Mode Fiber -60 dB typical, - 55 dB maximum Multi-Mode Fiber -20 dB typical... -
Page 18: Sm8003 - Prism Switches
VXI Technology, Inc. SM8003 - P RISM WITCHES The SM8003 is a single-slot Prism switch base unit. SPST, SPDT and Transfer switches can be mixed and matched within the same SM8003 base unit. Configurations The following configurations are available for the SM8003:... - Page 19 VXI Technology, Inc. SM8003 P RISM WITCH PECIFICATIONS ENERAL PECIFICATIONS AVELENGTH ANGE 780 – 1570 nm NSERTION 0.6 dB typical, 1.1 dB maximum EFLECTION Single-Mode - 55 dB maximum Multi-Mode -20 dB typical ROSS -80 dB maximum URABILITY 10 million cycles minimum EPEATABILITY ±0.01 dB maximum...
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Page 20: Sm8101 / Sm8102 - Optical Attenuators
VXI Technology, Inc. SM8101 / SM8102 - O PTICAL TTENUATORS The SM8101 and SM8102 are single-slot VXIbus modules. The SM8101 is a single-channel variable attenuator, and the SM8102 is a two-channel variable attenuator. SM8101 / SM8102 S PECIFICATIONS TTENUATOR 0 – 10 dB 11 –... -
Page 21: Section 2
VXI Technology, Inc. ECTION REPARATION FOR NTRODUCTION When the SMIP II is unpacked from its shipping carton, the contents should include the following items: (1) SMIP II VXIbus module (1) SM8000 Series Optical Switch User’s Manual (this manual) All components should be immediately inspected for damage upon receipt of the unit. -
Page 22: Setting The Logical Address
VXI Technology, Inc. ETTING THE OGICAL DDRESS The logical address of the SMIP II is set by two rotary switches located on the top edge of the interface card, near the backplane connectors. Each switch is labeled with positions 0 through F. -
Page 23: Example 2
VXI Technology, Inc. Example 2 Divide (decimal) by 16 200 / 16 w/ 8 remaining Divide by 16. 1100 1000 Convert to MSB and LSB. Convert to hexadecimal. Set the back switch to C and the front switch to 8. -
Page 24: Optical Connections
VXI Technology, Inc. PTICAL ONNECTIONS The SM8000 series are all shipped with dust caps over each optical connector. These dust caps should remain in place at all times while the instrument is not in use. Cleaning Optical Connectors 1. Clean both connectors to remove any dirt or particles, which could decrease performance or permanently damage the connector. -
Page 25: Section 3
VXI Technology, Inc. ECTION PERATION ENERAL ESCRIPTION SM8001 / SM8002 - Multi-Channel Switches The multi-channel optical switches are optical-mechanical switches that allow selection of an individual fiber channel by means of a high-resolution stepper motor. The stepper motor moves the common fiber into direct alignment with the output fiber. The switch module is optically passive, operating independently of data rate, data format, and optical signal direction. -
Page 26: Sm8003 - Prism Switches
VXI Technology, Inc. SM8003 - Prism Switches The SPST switch provides channel control from one input fiber to one output fiber using a moving shutter between fixed collimators. The SPDT switch provides channel selection from one input fiber to two output fibers using a moving prism between fixed collimators. -
Page 27: Sm8101 / Sm8102 - Optical Attenuators
VXI Technology, Inc. SM8101 / SM8102 - Optical Attenuators The Optical Attenuators are based on precise-resolution stepper motors, which mechanically position a beam block. See Figure 3-3 for the basic concepts. The attenuator stepper motor is attached to an off-axis cam. A pair of fiber collimators is positioned on either side of the cam, with a short open-air beam path between them. -
Page 28: Operation
VXI Technology, Inc. PERATION SM8001 / SM8002 - Multi-Channel Switches When controlling multi-switch modules, the operation is quite similar to that of any other SMIP II family product, but the data sent is operated on a little bit differently. The SM8000 must be configured to control the multi-switch device on one of four ports. -
Page 29: 1 X N Switch Configuration
VXI Technology, Inc. 1 x N Switch Configuration 3-4: 1 IGURE WITCH ONFIGURATION 3-1: C ABLE ONTROL ODES FOR ONFIGURATION RESET* Active Channel 0 reset SM8000 Series Operation... -
Page 30: Duplex 1 X N Switch Configuration
VXI Technology, Inc. Duplex 1 x N Switch Configuration 3-5: D IGURE UPLEX WITCH ONFIGURATION 3-2: C ABLE ONTROL ODES FOR UPLEX ONFIGURATION Common 1 Common 2 RESET* Active Channel Active Channel 0 reset 0 reset 10-1 10-2 11-1 11-2... -
Page 31: 2 X N Blocking Switch Configuration
VXI Technology, Inc. 2 x N Blocking Switch Configuration block block block block 3-6 2 IGURE LOCKING WITCH ONFIGURATION 3-3: C ABLE ONTROL ODES FOR LOCKING ONFIGURATION Common 1 Common 2 RESET* Output Channel Output Channel 0 reset -1 reset... -
Page 32: 2 X N Non-Blocking Switch Configuration
VXI Technology, Inc. 2 x N Non-Blocking Switch Configuration block 3-7: 2 IGURE LOCKING WITCH ONFIGURATION 3-4: C ABLE ONTROL ODES FOR LOCKING ONFIGURATION Common 1 Common 2 RESET* Active Channel Active Channel 0 reset -1 reset 0 block block... -
Page 33: Calculating Switching Time
VXI Technology, Inc. REGISTER WRITE BUSY 16ms 300ms OUTPUT 3-8: M IGURE ULTI WITCH IMING Calculating Switching Time The time-period for switching a channel can be divided into three constituent periods. The first time-period ends when the BUSY signal goes high. For calculating switching time, however, only the last two periods are used. -
Page 34: Sm8003 - Prism Switches
VXI Technology, Inc. SM8003 - Prism Switches When controlling single mode prism switches the operation of the SM8000 is also similar to that of any other SMIP II family product. The switches are directly controlled by register writes to the Relay Register. -
Page 35: Starting The Device
VXI Technology, Inc. Starting the Device The device resets upon application of power. The Optical Attenuators park at the minimum-loss position. Control Modes The Optical Attenuators can be operated in two modes: uncalibrated and calibrated. The uncalibrated mode is called Move-To-Absolute-Step mode. In this mode, the user sends movement requests to the internal stepping motor through the Move-To-Absolute-Step interface. -
Page 36: Busy Signal
VXI Technology, Inc. BUSY Signal The BUSY bit is driven high by the device whenever a Set Attenuation command is received, or when a RESET signal is received. The BUSY signal remains high whenever a command is executed and the stepper motor is moving. During this time, no other commands should be sent to the device, as this may corrupt the internal state of the device requiring a RESET to clear. -
Page 37: Section 4
VXI Technology, Inc. ECTION ROGRAMMING EGISTER CCESS The SMIP II optical modules are VXIbus register-based devices. Register-based programming is a series of reads and writes directly to the switch module registers. This eliminates the time for command parsing thus increasing speed. - Page 38 VXI Technology, Inc. 4-1: SMIP II R - A16 ABLE EGISTER OFFSET WRITE FUNCTION READ FUNCTION Trace Advance Board Busy Busy Trigger Control Busy Trigger Control Trace RAM Control Trace RAM Control TTL Trigger Polarity Reserved Open Trigger Select Reserved...
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Page 39: Smip Ii Registers - A16
The following describes the registers shown in the SMIP II Register Map for A16 address space. ID Register – Read Only ADDR Plug-In LA+0x00 D11-D0 Manufacturer's ID VXI Technology, Inc., set to F4B A16/A24 = 00 D13-D12 Address Space A16/A32 = 01 D15-D14... - Page 40 VXI Technology, Inc. Control Register – Write Only ADDR Plug-In LA+0x04 1 = write a 1 to this bit to enable A24/A32 memory access A24/A32 Enable 0 = to disable access D14-D2 Reserved Writes to these bits have no effect.
- Page 41 VXI Technology, Inc. Interrupt Status Register – Read Only Plug-In LA+0x1A ADDR Scan Function The latest scan list update is complete. done Openbus Active The Openbus was activated by one or more programmed inputs. Event true See description of the Openbus in the module register section.
- Page 42 VXI Technology, Inc. NVM Access Register – Read ADDR Plug-In LA+0x20 D15-D1 Unused All Bits are always 1. Reads back the serial data stream from the selected SMIP II board. Note that only one SMIP II board may be read back at a time.
- Page 43 VXI Technology, Inc. Trace RAM End High Register – Read and Write ADDR Plug-In LA+0x2C D15-D4 Unused Data written to these bits have no affect and read back as 1s. Sets the four most significant bits of the ending address of the...
- Page 44 VXI Technology, Inc. Open Trigger Select Register – Write Only ADDR Plug-In LA+0x36 Sets the TTLTRIG line or lines, which are configures as outputs, and will toggle when Relay Open condition occurs in the module. D15 corresponds to TTLTRIG7, D14 to TTLTRIG6, … and D8 to D15-D8 TTLTRIG0.
- Page 45 VXI Technology, Inc. Trace RAM Control Register – Read and Write ADDR Plug-In LA+0x3A D15 is for module 5 ... D10 is for module 0. Set to 0 if the module is installed or set to a 1 if not installed. These bits are set to 0 at...
- Page 46 VXI Technology, Inc. Trigger Advance Register – Write Only ADDR Plug-In LA+0x3E The act of writing to this location causes a Trace Advance event to D15-D0 Unused occur in the module. The specific data written to these bits has no affect.
- Page 47 VXI Technology, Inc. 1M Memory Allocated 1MB RAM to Store Module Settings VXI Configuration Space 2MB of A24 or A32 Address Space reserved for VTI SMIP module (assigned by the controller). 1MB RAM Unused 1M Memory Allocated for Configuration/ Relay Registers Module 0 Config.
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Page 48: Module Registers - Sm8000 Series Controller - A24 / A32 - Extended Memory
VXI Technology, Inc. - SM8000 S - A24 / A32 - E ODULE EGISTERS ERIES ONTROLLER XTENDED EMORY This module is assigned 1 k (1024) bytes of memory as shown in the SMIP II Configuration/Relay Register Map for A24/A32 address space. The upper 512 bytes of memory space are unused. - Page 49 VXI Technology, Inc. Control Register (cont.) 0 = BBM/MBB operation on this plug-in module is disabled 1 = BBM/MBB operation on this plug-in module is enabled Pon state = 0 If this bit is set, the relays on this module will be sequenced to effect proper BBM or MBB operation.
- Page 50 VXI Technology, Inc. Control Register (cont.) 0 = The Openbus signal is not selected to reset this module's relays 1 = The Openbus signal is selected to reset this module's relays Relay Reset Select Pon state = 0 Many plug-in modules may be programmed to be listeners on the Openbus.
- Page 51 VXI Technology, Inc. Status Register – Read Only ADDR Plug-In LA+0x104 Hardware Revision D15-D13 Code D12-D8 Unused 0 = Indicates that optical module 3 thru 0, respectively, have not detected a communications error. This is the normal quiescent state. 1 = Indicates that the optical module indicated has detected a communications error, and may or may not have processed the last command sent to it.
- Page 52 VXI Technology, Inc. Command Register – Write Only ADDR Plug-In LA+0x106 This nibble holds the number of bytes that are to be read back from the optical module. The value loaded into this nibble is dependent on the command that is required to execute in the lower byte of this register.
- Page 53 This is the address of all attenuators as shipped from the factory. During the programming of the optical module, the programmer may wish to omit sending the module’s address over the VXI Bus, letting the SM8000 generate the default address that Address Byte to D6-D0 is used in the command string.
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Page 54: Device Memory
Since only one Model SM8000 may be plugged onto a standard SMIP II carrier, only one module base address, H0000, is used to address the SM8000. This is the case whether or not the SM8000 is housed in a single or double-slot VXI module. ELAY... -
Page 55: Writing To The Relay Registers
VXI Technology, Inc. RITING TO THE ELAY EGISTERS If the SM8000 is used to drive single-mode prism switches, in either latching or non-latching configurations, setting the switches is accomplished through writing to the Relay Register located at Relay Register Offset H0000. Each bit, of this 16-bit register, represents the state of the relay (1 = closed, 0 = open). - Page 56 VXI Technology, Inc. Relay (Optical Module’s Data (Attenuation Level)) Register 02 thru 08 – Read and Write ADDR Plug-In LA+0x002 – 0x008 The SM8000 can alternatively drive up to 4 optical multi switch or attenuator modules. Module one is addressed by writing a 16-bit word to address LA+0x002;...
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Page 57: Programming Examples
VXI Technology, Inc. ROGRAMMING XAMPLES YPICAL PTICAL ULTI WITCH ONTROL XAMPLE The optical multi-switch modules are controlled via a 5-bit parallel port. To select the optical switch, the binary number corresponding to the switch is written to the SM8000 optical switch controller. -
Page 58: Typical Optical Attenuator Control Example
VXI Technology, Inc. YPICAL PTICAL TTENUATOR ONTROL XAMPLE The optical attenuator modules are controlled via an I C bus interface. The bus protocol requires the transmission of the following: • a Module Address • a Command Byte • the number of bytes to send •... - Page 59 During the programming of the optical module, the programmer may wish to omit sending the module’s address over the VXI Bus, letting the SM8000 generate the default address that is used in the command string. This could possibly increase throughput, by decreasing VXI Bus traffic, if the modules are receiving many commands, although this is only true if the optical module’s address is not changed by the user.
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Page 60: Command Register
VXI Technology, Inc. OMMAND EGISTER The following register addressing is based on the Phillips I C specification. For more detailed information, please refer to Phillips document titled The I C Bus and How To Use It. Bits Don’t Care Number of data bytes to be read back from the optical module plus 1. -
Page 61: Command Set
VXI Technology, Inc. OMMAND Table 4-2 lists the command set available for the SM8101 / SM8102 Optical Attenuator. The table lists the commands in alphabetical order. Detailed descriptions, listed in numeric order, follow the table. 4-2: A ABLE TTENUATOR OMMAND... -
Page 62: 30H
VXI Technology, Inc. Command Name Move to Absolute Step Command Format 30h HIGH_BYTE LOW_BYTE Description The Move to Absolute Step command sets the position of the stepper motor. The valid range is 0 - 3200, written in a 2-byte (16-bit) format. -
Page 63: 32H
VXI Technology, Inc. Command Name Reset Device Command Format Description The Reset Device command returns the unit to a reset, or park position. This command functions the same as 96h and A2h. Power Down Motor Command Name Command Format The Power Down Motor command shuts off current to the stepper motor, which Description decreases current consumption to about 50 mA. -
Page 64: 6Ch
VXI Technology, Inc. Command Name Power Down Motor Command Format Description This command functions the same as 35h and 43h. Command Name Set Attenuation Command Format 80h HIGH_BYTE LOW_BYTE Description The Set Attenuation command sets the attenuation value using a 2-byte (16-bit) format. -
Page 65: 81H
VXI Technology, Inc. Command Name Query Attenuation Command Format Description The Query Attenuation command returns the current attenuation value as a 2-byte (16- bit) value. The following example shows how to translate the HIGH_BYTE-LOW_BYTE Example returned value into a dB attenuation value: HIGH_BYTE and LOW_BYTE value to 0Dh &... -
Page 66: 83H
VXI Technology, Inc. Command Name Query Maximum Attenuation Command Format Description The Query Maximum Attenuation command returns the maximum attenuation setting in a 2-byte (16-bit) format. The following example shows how to translate the HIGH_BYTE-LOW_BYTE Example returned value into a dB attenuation value: HIGH_BYTE and LOW_BYTE value to 0Dh &... -
Page 67: 8Ah
VXI Technology, Inc. Command Name Query Calibration Temperature Command Format Description The Query Calibration Temperature command returns the calibration temperature value in a 1-byte (8-bit) format. The calibration temperature is an integer value. The following example translates the OUT_BYTE returned value into a decimal Example integer calibration temperature value (°C):... -
Page 68: 8Ch
VXI Technology, Inc. Command Name Query Firmware Revision Command Format Description The Query Firmware Revision command returns the unit firmware revision in a 2-byte (16-bit) format. The following example shows how to translate the HIGH_BYTE-LOW_BYTE Example returned value into a two-place decimal firmware revision value:... -
Page 69: 8Eh
VXI Technology, Inc. Command Name Query Calibration Table Entry Command Format 8Eh HIGH_BYTE LOW_BYTE Description The Query Calibration Table Entry command returns the calibration table entry (step position) for a given attenuation in a 2-byte (16-bit) format. The returned value is the absolute step position the stepper motor would move to in order to generate the given attenuation. -
Page 70: 90H
During the programming of the optical module, the programmer may wish to omit sending the module’s address over the VXI Bus, letting the SM8000 generate the default address that is used in the command string. This could possibly increase throughput, by decreasing VXI Bus traffic, if the modules are receiving many commands. -
Page 71: 96H
VXI Technology, Inc. Command Name Reset Device Command Format Description This command functions the same as 32h and A2h. Command Name Reset Device Command Format Example This command functions the same as 32h and 96h. SM8000 Series Programming... - Page 72 VXI Technology, Inc. SM8000 Series Programming...
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Page 73: Index
VXI Technology, Inc. NDEX A16 address space.............39 IH ENA* ................41 A16 base address ..............37 interrupt mask ..............41 A16 offset register ............37 interrupter IRQ line ............41 A16 offset register address ..........37 IR ENA* ................41 A24 address space.............37 IRQ line................ - Page 74 VXI Technology, Inc. temperature range .............10 test leads ................10 trigger ................45 ventilation .................10 VXIbus ...............21, 37 VXIbus Extended Device ..........41 wet or damp conditions.............10 SM8000 Series Index...