File:Surge Universal 71637 1998 Bottom 01.jpg
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Detail of the integrated telephone line surge protection ports on the Universal 71637. RJ11 "In" and "Out" connections allow telephone, fax, and modem lines to be protected from surges.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 19:19, 13 September 2026 | | 1,600 × 738 (219 KB) | PowerPig (talk | contribs) |
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