Correct RS232 cable to use with Dell C8618QT, C5518QT, C6522QT, or C5522QT monitor

Affected Products:

• Dell C8618QT
• Dell C5518QT
• Dell C6522QT
• Dell C5522QT

RS232 cable for Dell monitor

If the Dell C8618QT, C5518QT, C6522QT, C5522QT monitor is not responding to RS232 commands, ensure the correct straight-through cable is used and not the cross-over cable. Reference Figure 1 below for details on the correct RS232 cable:

Figure 1: (English Only) RS232 straight through cable with pin assignment

Not Applicable

After ensuring the proper RS232 cable is being used, you must disable the network connection following the steps below:

1. Press and hold icon 5 on the screen for 4 seconds to turn on (Figure 2):

   
   Figure 2: C8618QT onscreen controls

2. A network icon (Figure 3) appears on the top-left corner of the screen for 5 seconds:

   
   Figure 3: On-screen network icon

3. Press and hold icon 5 on the front panel for 4 seconds.
4. A network icon (Figure 4) appears on the top-left corner for 5 seconds to show that the network has been disabled:

   
   Figure 4: Network disabled icon