Troubleshooting the System
98
750.001.003
Revised June 1999
© 1999 AXCESS
TM
Inc.
Modifying Antenna Range: Adjusting the Transmitter Card
,
page 77.
Step 12:
Check for any environmental interference affecting the
system performance.
Wiegand Reader
Problem: The Wiegand Reader is not working
Step 1:
Ensure that the Wiegand Control Panel complies with the
SIA 26-bit standard.
Step 2:
Ensure that the internal RX and TX cables are properly
seated.
Step 3:
Ensure that the RS-232 cable is properly seated.
Step 4:
Ensure that the LEDs on the PCB card stack are lit. All but
the Transmitter card should have lit LEDs.
Step 5:
Ensure that the Transmitter card is chirping.
Step 6:
Verify the jumper settings on the Unilon cards against the
information in the manual. See the section
Unilon Reset
Buttons,
page 45.
Step 7:
Ensure that the Reader has power. Information on
providing power can be found on page 32.
Step 8:
Ensure that the Wiegand cable to the terminal block is
properly seated.
Step 9:
Ensure that the wires are connected correctly to the
Wiegand control panel.
Serial Reader
Problem: The Serial Reader is not working
Step 1:
Verify the jumper settings on the Unilon cards against the
information in the manual. See the section
Unilon Reset
Buttons,
page 45.
Step 2:
Ensure that the internal RX and TX cables are properly
seated.
Step 3:
Ensure that the Transmitter card is chirping.
Step 4:
Ensure that the RS-232 cable is properly seated.
Step 5:
Ensure that the LEDs on the PCB card stack are lit. All but
the Transmitter card should have lit LEDs.
Step 6:
Ensure that the Reader has power. Information on
providing power can be found on page 32.