ControlWave Instruction Manual (CI-ControlWave)
Figure 5-21. RS-232 Loop-back Plugs
Port 3 (RS-232) use an 8-pin male RJ-45 loop-back plug (shown in
left side of
).
Figure 5-22. RS-485 Loop-back Plugs
Port 3 (RS-485) use an 8-pin male RJ-45 loop-back plug (shown in
left side of
).
Port 4 (RS-485) use a 9-pin female D-type loop-back plug (shown in
right side of
).
These tests verify the correct operation of the communication interface
on ports COM1 through COM4.
Note
:
You
cannot
test a communications port while you are using it.
You can only test currently unused ports. After you complete
testing on all other communication ports (and verify their correct
Revised Nov-2010
Service & Troubleshooting
5-29
