I have a question on the lightning arrestors for 3G antennas. I think I may have found a typing error in the technical data. We have purchased a 3G-ANTM-OUT-COMBO which comes with a 3G-ANTM-OUT-OM outdoor omni-directional antenna and a lightning arrestor. The lightning arrestor in the COMBO is a AIR-ACC245LA-R, as shown in the link below:
On inspection of figure 1 in the link, it shows that the protected side is the TNC male end, the one with the thread for the ground lug. The one I have received, although it has the same part number, has the thread for the ground lug on the TNC female end.
When searching cisco.com for further information on the correct installation of the lightning arrestor, I found the following 3G-ACC-OUT-LA product. See link below:
Looking at figure 1 on the above link, the lightning arrestor looks like the one I have received. The table for figure 1 indicates that the protected side is labelled as 4, the TNC female end, but the technical specifications state that the protected side is the TNC male.
Can someone please clarify if this is a potential error and what the correct orientation should be. I am assuming that the TNC male end should be the protected side, so that you can either attach it to the 3G device e.g. router or use an interconnection cable e.g. 3G-CAB-ULL-20. The cable comes with a TNC male and TNC female at either end.
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