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IPC-1600 Diagnostics
IPC-1600 Communication Ports Tests
The communication ports tests execute in both the host processor and the
IPC-1600. These tests use the IPC-1600 FEPOS to exercise each port on the
IPC-1600.
A combination of four baud rate (1200, 9600, 19200, and 38400 bps), four
data word sizes (5, 6, 7, and 8 bits), two stop bits (1 and 2), and three parity
selections (none, odd, and even) are used to test each port. Each port is
programmed to an internal loopback mode; therefore, external loop around
cables are not needed. However, note that the transmit data is available at the
port for external use while in the loopback mode. Any test data appearing on
a terminal connected to a port under test should be ignored since the
communication ports diagnostics are internal, standalone tests.
TROUBLESHOOTING THE INTELLIGENT PORTS CARD 7-9