5016-001

Serial Wrap Test

This test is used to check the operation of the serial port hardware using a wrap plug. Each signal is tested.

To run the Serial Wrap Test:

1.Disconnect the serial interface cable and install the wrap plug.

2.Select the appropriate Serial Wrap Test from the menu.

The following screen displays: Serial X Wrap P:###### F:#####

X indicates which serial port is being tested,

(black = standard, 1 = optional serial port #1, 2 = optional serial port #2 and 3 = operational serial port #3).

F represents the number of times the test has failed or finished with errors. Initially 00000 is displayed for #####. The maximum fail count is 99,999.

Note: The power indicator blinks indicating the test is running.

Each time the test finishes, the screen updates with the result. If the test passes, the Pass Count increases by 1, however if the test fails, one of the following failure messages displays for approximately 3 seconds and the Fail Count increases by 1:

Receive Status Interrupt

Error Status Error

Receive Data Interrupt Error

Transmit Data Interrupt Error

Transmit Empty Error

Threshold Error

Receive Data Ready Error

Break Interrupt Error

Framing Error

Parity Error

Overrun Error

Data Error

Data 232 Error

Data 422 Error

FIFO Error

DSR Error

DSR PIO Error

DSR Interrupt Error

CTS Error CTS PIO Error

CTS Interrupt Error

Once the maximum count is reached the test stops and the final results display.

3. Press Return/Stop to exit the test.

3-14Service Manual

Page 212
Image 212
Lexmark 5016-001 manual Serial Wrap Test