ROC800-Series Instruction Manual
Revised July-2017 Installation and Use 2-19
2.7.1 Installing a License Key
Failure to exercise proper electrostatic discharge precautions (such as
wearing a grounded wrist strap) may reset the processor or damage
electronic components, resulting in interrupted operations.
When working on units located in a hazardous area (where explosive
gases may be present), make sure the area is in a non-hazardous state
before performing procedures. Performing these procedures in a
hazardous area could result in personal injury or property damage.
To install a license key:
1. Perform the backup procedure described in Preserving
Configuration and Log Data in Chapter 6, Troubleshooting.
2. Remove power from the ROC800.
3. Remove the wire channel cover.
4. Unscrew the captive screws from the CPU faceplate and remove it.
5. Place the license key in the appropriate terminal slot in the CPU
(refer to Figure 2-8).
Figure 2-10. License Key Installation
Note: If you are installing a single license key, place it the
uppermost slot (closest to the LOI port).
6. Press the license key into the terminal until it is firmly seated. Refer
to Figure 2-10.
7. Replace the CPU faceplate and tighten the two captive screws.
8. Replace the wire channel cover.
9. Review Restarting the ROC800 in Chapter 6, Troubleshooting.
10. Restore power to the ROC800.
2.7.2 Removing a License Key
Failure to exercise proper electrostatic discharge precautions (such as
wearing a grounded wrist strap) may reset the processor or damage
electronic components, resulting in interrupted operations.
When working on units located in a hazardous area (where explosive
gases may be present), make sure the area is in a non-hazardous state
before performing procedures. Performing these procedures in a
hazardous area could result in personal injury or property damage.
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