AT&T manual IPC-1600 Communication Ports Tests

Models: IPC-1600

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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

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AT&T manual IPC-1600 Communication Ports Tests