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A8 Installation Guide_ R3 Hardware Platform
TPS13-010_rev1.0
A connector is often first wrapped with a layer of electrical tape to make it easier
to remove the butyl rubber layer. In addition, one or more layers of electrical
tape are used as a final outer wrap to provide UV protection. We recommend
the 3M Scotch Super 88 Vinyl Electrical Tape for this purpose.
2.
High-quality, all-weather, black butyl rubber tape, preferably 3/4” (19mm) wide
to make it easier to manipulate the tape around the A8 BTS RF ports. Butyl
rubber tape is self-amalgamating - it chemically bonds to itself, forming a strong,
waterproof joint. A layer of butyl rubber tape is applied around a connector joint
to provide a weatherproof seal, often on top of a layer of electrical tape. We
recommend the Andrew Corporation butyl rubber tape for this purpose.
Figure 12-1 3M Scotch Super 88 Vinyl Electrical Tape
Figure 12-2 Andrew Corporation Butyl Rubber Tape
The sealing materials should be applied to the following:
1. RF cable-to-A8 BTS connection.
2. RF cable-to-antenna connection
12.2.
Installation Tips
A few general rules about weatherproofing RF connectors:
1.
Always apply tape at temperature above 32 degrees F to ensure adhesion.
When working in cold weather, always protect your tape rolls by storing it under
