Diagnostic Aids 3-9
4023-001
Serial Wrap Tests
This test is used to check the operation of the Serial Port Hardware
using a wrap plug. Each signal is tested.
1. Disconnect the serial interface cable and install the wrap plug.
2. Enter the Diagnostic mode. See “Diagnostics Mode” on
page 3-1.
3. Select [HARDWARE TESTS].
4. Select the appropriate Serial Wrap Test: [Serial Wrap], [Serial 1
Wrap], [Serial 2 Wrap] or [Serial 3 Wrap]. P & F represent the
same numbers for DRAM.
– The power indicator blinks indicating the test is running.
5. This test runs continuously unless canceled by pressing Return/
Stop.
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