IEEE 488 (GPIB) bus extender via fiber optic. Overcomes the 20 meter cable limitation imposed by the IEEE standard b extending the bus up to 1,000 meters (4,000 feet) via Fiber Optic. SMA-905 Connectors. Two extenders required.
The Extender488™ Series provides an economical solution to the 60 ft. (20 m) distance limitation of the IEEE bus. Using high-speed 115.2K baud serial data trans-mission, a pair of extenders can stretch the bus up to 4,000 ft. (1,000 meters).
Extender488 uses differential RS-422 driv-ers and receivers that provide high-noise immunity with low-cost twisted-pair cabling. Extender488/F™ uses duplex fiber-optic data transmission, which pro-vides high-electrical isolation as well as high noise immunity.
The Extender488 Series operate transpar-ently to the IEEE controller, requiring no special programming, with the exception of Parallel Poll. Parallel Polls must be per-formed twice due to the speed specification of the IEEE bus.
The number of devices that can be con-trolled on the bus is doubled by the ex-tenders. Both the local and remote bus can have up to 14 devices each, in addition to the extenders.
Extender488 Series is packaged in a rugged all metal case, convenient for bench top and rack-mount applications.
- Overcomes the 20 meter cable limitation imposed by the IEEE standard by economically extending the bus up to 1,000 meters via RS-422 or fiberoptic.
- Expands the number of devices allowed on the bus from 15 to 28.
- Operates transparently to the IEEE controller; requires no programming changes for most applications.