4. Grasp the top cover and tilt it up.
The jumpers are behind the RJ jacks, as shown in Figure 3-2.
Figure
3-2. Location of the Jumper Blocks for the Hub
5. Reconfigure the jumpers as required. The settings for polarity and pinouts are
shown in Figure 3-3. All jumper settings must be identical.
Note: These jumper settings are also silk-screened on the printed circuit
board, but in a different format. When changing the jumpers, refer to the
format that you prefer.
Figure
3-3. Settings for Polarity and Pinout Assignments for the Hub
6. Tilt the top cover back over the 7299.
7. Slide the top cover forward until it is aligned with the bottom cover.
8. Install the four top cover screws.
3-4
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