OPTIMedical OPTI CCA-TS, Руководство оператора, Страница: 139 / 271

Operator’s Manual – OPTI CCA-TS 7-21
7 DIAGNOSTICS AND TROUBLESHOOTING
7.2.14 Checking the RS232 Interface
The purpose of this test is to check for proper
functioning of the serial interface.
From the
<Ready> display, press <System
Manager -> Diagnostics> .
• Select the
<Tests>
tab.
• Press <RS232> to start the test (Fig. 7-20).
• It is important to have pins 2 and 3 (send and
receive - see Appendix A, p. A-6) shorted
together (Fig. 7-21).
• Press and the system will send out a
test string and check if it can be received.
• The instrument will display a <Pass> or
<Fail> message (Fig. 7-22).
• Press to return to the <Tests> screen.
Fig. 7-20 RS232 Interface
Fig. 7-21 Jumper Pins 2 to 3
Fig. 7-22 Interface Test Pass
Jumper pins 2 to 3.
RS232 Test . . .
OK
Jumper pins 2 to 3.
RS232 Test . . .
OK
RS232: PASS
RS232 Test . . .
OK
RS232: PASS
RS232 Test . . .
OK