1260-00C
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Catalog excerpts

1260-00C - 1

RACAL INSTRUMENTS™ 1260-00C GPIB Slot 0 Controller Full VXI Resource Manager and Slot 0 Capability Seamless Integration of VXI bus Instruments into Existing IEEE-STD-488 Systems Control VXIbus TTLTRG, ECLTRG Lines Enables Existing IEEESTD-488 Controllers and Software to Control VXIbus Instruments Control Register-based and VMEbus Devices Read and Write System Memory GPIB/VXIbus Capability Racal Instruments 1260-00C controller/interface board links the industrystandard IEEE-STD-488 bus (GPIB) and the VXIbus. The 1260-00C transparently converts IEEE-STD-488 signals and protocols to VXIbus instrument signals and protocols. This allows an IEEE-STD-488 controller to direct instruments in a VXIbus chassis in the same way it controls IEEE-STD-488 devices. This enables significant downsizing of systems without replacing the host controller. Slot 0/Resource Manager Capabilities As a VXIbus System Slot 0 and resource Manager (RM), the 1260-00C performs such functions as VXIbus device identification, system address map configuration, static and/or dynamic (switchless) configuration, system self-test management, commander/servant hierarchy mapping, and initiation of normal operation. Additionally, the 1260-00C provides reading and writing VXIbus memory, register-based devices, VME devices and controlling VXIbus trigger lines and protocols. The 1260-00C can also function as a VXIbus commander or servant. It can be used, for example, as a VXIbus commander in Slot 0 of a VXIbus mainframe, and can perform the VXIbus power-up resource management duties to configure VXIbus devices within the system. As a VXIbus master, the 1260-00C can access the required A16 and A24 address spaces using D16 and D08 (EO) data transfers. Onboard jumpers allow the 1260-00C to use any of the four bus request levels. As a VXIbus slave, the 1260-00C has A32, A24, A17, D17 and D08 (EO) capabilities. With its configurable switches, all or a portion of the on-board RAM can be dual-ported to the VXIbus in A32 or A24 space. Bi-directional block transfers between GPIB and VXIbus memory at rates up to 350 kbytes per second can be achieved.

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1260-00C - 2

RACAL INSTRUMENTS 1260-00C GPIB Interface The 1260-00C is IEEE-STD-488.2 compatible. The GPIB interface is handled via a custom ASIC with additional support circuitry. This system provides a very highperformance FIFO buffer architecture between the GPIB interface and the private local bus. Burst mode DMA transfers can be made between the GPIB and on-board memory at up to one MByte/second.Frequency Response The 1260-00C transparently translates GPIB activity to/from VXIbus activity. When the 1260-00C detects activity at the GPIB port, for example, it knows that this activity is intended...

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1260-00C - 3

1260-00C PRODUCT SPECIFICATIONS The 1260-00C front panel has the following connectors and indicators: One IEEE-STD-488 connector One BNC connector for TTL trigger input One BNC connector for TTL trigger output One BNC connector for external VXIbus CLK10 (input/output) One 9-pin D-Sub connector: RS232 serial port Five LEDs for SYSFAIL, FAILED, TEST, ONLINE and ACCESS One RESET push button The front panel RESET push-button is configurable to reset the entire VXIbus backplane and/or the 1260-00C itself. Additional Features FRONT PANEL I/O The 1260-00C features, as options, development...

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