Motorola Powerline MU manual Multiple Transformer

Powerline MU

Also, be sure not to touch any bare wire or bus bars. (See Figure). Note: To reduce attenuation, attach the couplers to the LOAD side (to the meters) cables, not the LINE side (from the transformer) cables, if possible.

13.Be sure couplers do not slide. If needed, use cable ties or rubber grommets to assure stability.

14.Tighten the conduit fitting to secure the coax cables.

15.Replace the panel of the cabinet.

4.2.4Multiple Transformer

Multiple transformer installations are typically found in high-rises and larger commercial buildings. If this is a multiple-dwelling unit, it will probably be individually metered, but with more than one transformer. These buildings often have transformers on multiple floors and can even have different electrical feeds into the building. These situations require more planning than the preceding installations and will often require additional equipment, such as Panel Extenders and Hybrid Adapter units. They will sometimes even require multiple Gateways. Ideal installation here is similar to the Individually Metered scenario, but with more planning. The need here is to be sure you can get the internet connection to each of these Gateways. This can be done with telco cables if there is conduit.

All of these buildings have the same basic layout electrically. They all have a main feed that then distributes to the consumer’s premise. The closer you get to the consumer, the better, but you also want to plan to connect to the point that serves the most customers with the least signal loss.

Here is one example of an effective coupling solution:

•Install Gateway in 2nd floor electrical closet.

•Couple floors 1-3 together with a Panel Extender.

•Either add a second Gateway on floor 5 for floors 4-6 or extend coupling from initial Gateway by adding additional splitters, based on signal strength. Try to use no more than two splits because of signal degradation.

•The signal will not travel back through the 2nd floor transformer and through the transformers on other floors, so extending the coupling with additional couplers and splitters will be necessary if one Gateway serves multiple meter banks.

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