Belkin F1U123-KIT F1U123 User Manual - Page 7

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Troubleshooting (continued) B. Application Errors • Che ck that the p rop e r p ort is se le cte d . To achie ve a link b e twe e n the PC and the d e vice , the LED of the corre ct p ort must b e illuminate d . • Conne ct the d e vice s d ire ctly to the PC. If the d e vice d oe s not p rop e rly re sp ond whe n conne cte d d ire ctly to the PC, the d e vice may b e d amag e d , not the F1U123 switch. Consult with the manufacture r's te ch sup p ort for assistance . • Try re b ooting the comp ute r. By re b ooting , the op e rating syste m che cks the p orts for the p re se nce of the d e vice . Make sure the corre ct p ort is se le cte d so that the d rive rs are load e d , and the d e vice is fully op e rab le . • Not e noug h p owe r is b e ing sup p lie d to the switch. The F1U123 d oe s not re q uire p owe r in normal instance s. Howe ve r, some p aralle l p ort d e vice s and comp ute rs d o not p rovid e e noug h p owe r to the switch. The re fore , an op tional p owe r ad ap te r must b e use d . We re comme nd using Be lkin p art numb e r F5B001-PWR. It is a sp e cial 7VDC 200mA p owe r sup p ly, and simp ly p lug s into the p owe r conne ctor on the sid e of the F1U123 switch. Use of othe r p owe r sup p lie s p rovid ing more than 7VDC will sig nificantly comp romise the life of the switch. 5

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B.
Application Errors
•
Check that the proper port is selected.
To achieve a link between the PC and the device, the LED of the correct
port must be illuminated.
•
Connect the devices directly to the PC.
If the device does not properly respond when connected directly to the
PC, the device may be damaged, not the F1U123 switch. Consult with the
manufacturer’s tech support for assistance.
•
Try rebooting the computer.
By rebooting, the operating system checks the ports for the presence of
the device. Make sure the correct port is selected so that the drivers are
loaded, and the device is fully operable.
•
Not enough power is being supplied to the switch.
The F1U123 does not require power in normal instances. However, some
parallel port devices and computers do not provide enough power to the
switch. Therefore, an optional power adapter must be used. We
recommend using Belkin part number F5B001-PWR. It is a special 7VDC
200mA power supply, and simply plugs into the power connector on the
side of the F1U123 switch.
Use of other power supplies providing more
than 7VDC will significantly compromise the life of the switch.
Troubleshooting
(continued)
5