{"product_id":"the-line-auditor-nf-8108m-cable-tester","title":"The Line Auditor | NF-8108M Network Cable Tester with 8 Remotes","description":"\u003cdiv class=\"product-narrative\"\u003e\n\u003cp\u003eMost network faults are not mysterious. They are a miswired pair behind a patch panel, a run that measures four metres longer than the plan says, or a coax drop that reads continuity on one conductor and nothing on the other. Finding them is a measurement problem, and measurement problems want an instrument rather than a hunch. The NF-8108M from NOYAFA is a handheld tester built to answer three questions on site: how long is this run, is it wired correctly, and where does it fail.\u003c\/p\u003e\n\u003cp\u003eThe transmitter measures cable length and reports the distance to an open or a short, which turns a vague intermittent fault into a number you can act on. Wiring errors in Cat5e, Cat6 and coaxial cable show up as open circuit, short circuit, crossed pair or reversed connection on a 53 by 25 millimetre LCD that stays readable in a dim riser cupboard. Cable mapping works out to 300 metres, comfortably beyond the 100 metre channel limit of copper Ethernet, so a run that reads out of range is a run with a physical problem rather than a patch cord problem.\u003c\/p\u003e\n\u003cp\u003eEight remote identifiers come in the box, which is the detail that separates a tester you carry for one job from a tester you carry every week. With eight remotes on eight runs, one person at the patch panel can identify and verify the whole bundle without a second technician walking between rooms. Protection is rated to AC 60V and DC 42V, so a live PoE port is survivable rather than terminal, and the automatic time delay shutoff plus self-checking routine keep the readings honest as battery capacity drops or the ambient temperature shifts. Four AA cells deliver a claimed standby window of around fifty hours.\u003c\/p\u003e\n\u003cp style=\"font-style: italic; color: #444;\"\u003eA cable either measures right or it does not. The instrument exists so you stop guessing which.\u003c\/p\u003e\n\u003c\/div\u003e\u003chr style=\"margin: 26px 0; border: 0; border-top: 1px solid #eee;\"\u003e\u003cdiv class=\"product-features\"\u003e\n\u003ch3\u003eWhat Sets It Apart\u003c\/h3\u003e\n\u003cul style=\"list-style: none; padding: 0; margin: 0;\"\u003e\n\u003cli style=\"padding: 12px 0; border-bottom: 1px solid #ececec;\"\u003e\n\u003cstrong\u003eLength measurement with fault distance\u003c\/strong\u003e\u003cbr\u003eReports total run length and the distance to an open or short, which is the fastest way to locate a break inside a wall or a ceiling void.\u003c\/li\u003e\n\u003cli style=\"padding: 12px 0; border-bottom: 1px solid #ececec;\"\u003e\n\u003cstrong\u003eCat5e, Cat6 and coax in one meter\u003c\/strong\u003e\u003cbr\u003eWiring error detection covers open, short, crossed pair and reverse connection across the copper types installers actually terminate.\u003c\/li\u003e\n\u003cli style=\"padding: 12px 0; border-bottom: 1px solid #ececec;\"\u003e\n\u003cstrong\u003e300 metre cable mapping range\u003c\/strong\u003e\u003cbr\u003eThree times the 100 metre Ethernet channel limit, so out-of-range readings point at physical damage rather than a marginal patch lead.\u003c\/li\u003e\n\u003cli style=\"padding: 12px 0; border-bottom: 1px solid #ececec;\"\u003e\n\u003cstrong\u003eEight remote identifiers included\u003c\/strong\u003e\u003cbr\u003eTerminate eight runs, then test and label them from one end without a helper shuttling between rooms.\u003c\/li\u003e\n\u003cli style=\"padding: 12px 0; border-bottom: 1px solid #ececec;\"\u003e\n\u003cstrong\u003eVoltage protection to AC 60V and DC 42V\u003c\/strong\u003e\u003cbr\u003eSurvives contact with live PoE and telephony lines during discovery work in occupied buildings.\u003c\/li\u003e\n\u003cli style=\"padding: 12px 0; border-bottom: 1px solid #ececec;\"\u003e\n\u003cstrong\u003eSelf-checking with 50 hour standby\u003c\/strong\u003e\u003cbr\u003eAuto compensation for battery capacity and temperature drift, plus automatic shutoff so the meter is not dead when the job starts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-specs\" style=\"margin-top: 26px;\"\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul style=\"list-style: none; padding: 0; margin: 0;\"\u003e\n\u003cli style=\"padding: 10px 0; border-bottom: 1px solid #ececec; display: flex; justify-content: space-between; gap: 18px;\"\u003e\n\u003cspan style=\"color:#555;\"\u003eModel\u003c\/span\u003e\u003cspan style=\"font-weight:600; text-align:right;\"\u003eNF-8108M\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"padding: 10px 0; border-bottom: 1px solid #ececec; display: flex; justify-content: space-between; gap: 18px;\"\u003e\n\u003cspan style=\"color:#555;\"\u003eTest types\u003c\/span\u003e\u003cspan style=\"font-weight:600; text-align:right;\"\u003eRJ45 network cable, Cat5e, Cat6, coaxial\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"padding: 10px 0; border-bottom: 1px solid #ececec; display: flex; justify-content: space-between; gap: 18px;\"\u003e\n\u003cspan style=\"color:#555;\"\u003eDisplay\u003c\/span\u003e\u003cspan style=\"font-weight:600; text-align:right;\"\u003eLCD, 53 x 25 mm\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"padding: 10px 0; border-bottom: 1px solid #ececec; display: flex; justify-content: space-between; gap: 18px;\"\u003e\n\u003cspan style=\"color:#555;\"\u003eLength measurement\u003c\/span\u003e\u003cspan style=\"font-weight:600; text-align:right;\"\u003eYes, plus distance to open and short circuit\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"padding: 10px 0; border-bottom: 1px solid #ececec; display: flex; justify-content: space-between; gap: 18px;\"\u003e\n\u003cspan style=\"color:#555;\"\u003eCable mapping distance\u003c\/span\u003e\u003cspan style=\"font-weight:600; text-align:right;\"\u003eUp to 300 m\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"padding: 10px 0; border-bottom: 1px solid #ececec; display: flex; justify-content: space-between; gap: 18px;\"\u003e\n\u003cspan style=\"color:#555;\"\u003eTone frequency\u003c\/span\u003e\u003cspan style=\"font-weight:600; text-align:right;\"\u003e225 Hz\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"padding: 10px 0; border-bottom: 1px solid #ececec; display: flex; justify-content: space-between; gap: 18px;\"\u003e\n\u003cspan style=\"color:#555;\"\u003eMax working current\u003c\/span\u003e\u003cspan style=\"font-weight:600; text-align:right;\"\u003eUnder 70 mA\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"padding: 10px 0; border-bottom: 1px solid #ececec; display: flex; justify-content: space-between; gap: 18px;\"\u003e\n\u003cspan style=\"color:#555;\"\u003eVoltage protection\u003c\/span\u003e\u003cspan style=\"font-weight:600; text-align:right;\"\u003eAC 60V \/ DC 42V\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"padding: 10px 0; border-bottom: 1px solid #ececec; display: flex; justify-content: space-between; gap: 18px;\"\u003e\n\u003cspan style=\"color:#555;\"\u003eRemote identifiers\u003c\/span\u003e\u003cspan style=\"font-weight:600; text-align:right;\"\u003e8 included\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"padding: 10px 0; border-bottom: 1px solid #ececec; display: flex; justify-content: space-between; gap: 18px;\"\u003e\n\u003cspan style=\"color:#555;\"\u003eBattery\u003c\/span\u003e\u003cspan style=\"font-weight:600; text-align:right;\"\u003e4 x 1.5V AA (not included)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"padding: 10px 0; border-bottom: 1px solid #ececec; display: flex; justify-content: space-between; gap: 18px;\"\u003e\n\u003cspan style=\"color:#555;\"\u003eDimensions\u003c\/span\u003e\u003cspan style=\"font-weight:600; text-align:right;\"\u003e184 x 84 x 46 mm\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"padding: 10px 0; border-bottom: 1px solid #ececec; display: flex; justify-content: space-between; gap: 18px;\"\u003e\n\u003cspan style=\"color:#555;\"\u003eStandby time\u003c\/span\u003e\u003cspan style=\"font-weight:600; text-align:right;\"\u003eApproximately 50 hours\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-applications\" style=\"margin-top: 26px;\"\u003e\n\u003ch3\u003eWhere It Belongs\u003c\/h3\u003e\n\u003cp\u003eThis belongs in the tool bag of anyone who terminates cable for a living. Structured cabling installers use it to sign off a bundle before the ceiling goes back up. IT teams running their own office moves use it to prove a run is bad before ordering a contractor. Low voltage technicians working CCTV and access control use the coax and pair testing functions on the same visit. It is also the right tool for the awkward job where a cable was pulled years ago, nothing is labelled, and the only way to work out what is in the wall is to put a signal on it and listen at the far end.\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-faq\" style=\"margin-top: 26px;\"\u003e\n\u003ch3\u003eQuestions Buyers Ask Before Ordering\u003c\/h3\u003e\n\u003cdiv style=\"margin-bottom: 18px; border-bottom: 1px solid #f0f0f0; padding-bottom: 12px;\"\u003e\n\u003cp style=\"margin: 0 0 6px 0;\"\u003e\u003cstrong\u003eQ: Does it measure the distance to a break inside a wall?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0; color:#333;\"\u003eYes. The transmitter measures total cable length and reports the distance to an open or short circuit, which is how you narrow a fault to a section of the run instead of replacing the whole drop.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 18px; border-bottom: 1px solid #f0f0f0; padding-bottom: 12px;\"\u003e\n\u003cp style=\"margin: 0 0 6px 0;\"\u003e\u003cstrong\u003eQ: Are the eight remote identifiers included?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0; color:#333;\"\u003eThey ship with the meter. Eight remotes let one technician terminate and identify eight separate runs from a single location, which is the usual reason a tester ends up being carried every day.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 18px; border-bottom: 1px solid #f0f0f0; padding-bottom: 12px;\"\u003e\n\u003cp style=\"margin: 0 0 6px 0;\"\u003e\u003cstrong\u003eQ: Will it survive contact with a live PoE port?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0; color:#333;\"\u003eVoltage protection is rated to AC 60V and DC 42V. That covers accidental contact with PoE and telephony lines, though it is protection rather than a licence to test live circuits as a routine.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 18px; border-bottom: 1px solid #f0f0f0; padding-bottom: 12px;\"\u003e\n\u003cp style=\"margin: 0 0 6px 0;\"\u003e\u003cstrong\u003eQ: Does it come with batteries?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0; color:#333;\"\u003eNo. The unit takes four 1.5V AA cells, which are not included, so plan on having them on hand for the first job.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 18px; border-bottom: 1px solid #f0f0f0; padding-bottom: 12px;\"\u003e\n\u003cp style=\"margin: 0 0 6px 0;\"\u003e\u003cstrong\u003eQ: Can it test coaxial cable as well as Ethernet?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0; color:#333;\"\u003eYes. The tester covers RJ45 network runs, Cat5e and Cat6 wiring, and coaxial cable, including open, short, crossed pair and reverse connection faults.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 18px; border-bottom: 1px solid #f0f0f0; padding-bottom: 12px;\"\u003e\n\u003cp style=\"margin: 0 0 6px 0;\"\u003e\u003cstrong\u003eQ: What is the maximum length it can map?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0; color:#333;\"\u003eCable mapping works to 300 metres. Standard copper Ethernet channels stop at 100 metres, so anything reading beyond that points to a physical fault worth investigating.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-gallery\" style=\"margin-top: 30px; text-align: center;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S7a9b25484b134caa9ed29e30b910356eA.webp?v=1781573273\" alt=\"The Line Auditor | NF-8108M Network Cable Tester with 8 Remotes\" style=\"max-width: 100%; height: auto; margin: 8px 0; border-radius: 4px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/Sf6c2f8f0e46d47e798ed8366bcd0c6d99.webp?v=1781573273\" alt=\"The Line Auditor | NF-8108M Network Cable Tester with 8 Remotes\" style=\"max-width: 100%; height: auto; margin: 8px 0; border-radius: 4px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S99e39303cde04af29ba86b0bb2b40e89F.webp?v=1781573273\" alt=\"The Line Auditor | NF-8108M Network Cable Tester with 8 Remotes\" style=\"max-width: 100%; height: auto; margin: 8px 0; border-radius: 4px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/Sb306ec0ee55a4b6bbdfd7fbde5048728v.webp?v=1781573273\" alt=\"The Line Auditor | NF-8108M Network Cable Tester with 8 Remotes\" style=\"max-width: 100%; height: auto; margin: 8px 0; border-radius: 4px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S9ca1754fcf304da28ef1ae0315af4ca6w.webp?v=1781573273\" alt=\"The Line Auditor | NF-8108M Network Cable Tester with 8 Remotes\" style=\"max-width: 100%; height: auto; margin: 8px 0; border-radius: 4px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/Sd3195fe06f87412f8e68264372f40b56m.webp?v=1781573274\" alt=\"The Line Auditor | NF-8108M Network Cable Tester with 8 Remotes\" style=\"max-width: 100%; height: auto; margin: 8px 0; border-radius: 4px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/H8ba21dd6248142eeb8f9736e6786947aU.webp?v=1781573274\" alt=\"The Line Auditor | NF-8108M Network Cable Tester with 8 Remotes\" style=\"max-width: 100%; height: auto; margin: 8px 0; border-radius: 4px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/H59f4a62263d645fe89a7839bea8dda49r.webp?v=1781573273\" alt=\"The Line Auditor | NF-8108M Network Cable Tester with 8 Remotes\" style=\"max-width: 100%; height: auto; margin: 8px 0; border-radius: 4px;\"\u003e\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"Product\",\"name\":\"The Line Auditor | NF-8108M Network Cable Tester with 8 Remotes\",\"sku\":\"NF-8108M\",\"brand\":{\"@type\":\"Brand\",\"name\":\"NOYAFA\"},\"description\":\"Most network faults are not mysterious. They are a miswired pair behind a patch panel, a run that measures four metres longer than the plan says, or a coax drop that reads continuity on one conductor and nothing on the other. Finding them is a measurement problem, and measurement problems \",\"url\":\"https:\/\/eastsupplier.com\/products\/the-line-auditor-nf-8108m-cable-tester\",\"image\":[\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S7a9b25484b134caa9ed29e30b910356eA.webp?v=1781573273\"],\"category\":\"Network Tool\",\"offers\":{\"@type\":\"AggregateOffer\",\"priceCurrency\":\"USD\",\"lowPrice\":\"97.19\",\"highPrice\":\"97.19\",\"offerCount\":\"1\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/eastsupplier.com\/products\/the-line-auditor-nf-8108m-cable-tester\"},\"aggregateRating\":{\"@type\":\"AggregateRating\",\"ratingValue\":\"4.67\",\"reviewCount\":\"3\"}}\u003c\/script\u003e","brand":"EastSupplier Platform","offers":[{"title":"NF-8108M \/ China Mainland","offer_id":50119823786207,"sku":"1005001596481864-NF-8108M-China Mainland","price":97.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S7a9b25484b134caa9ed29e30b910356eA.webp?v=1781573273","url":"https:\/\/eastsupplier.cn\/zh-cn\/products\/the-line-auditor-nf-8108m-cable-tester","provider":"EastSupplier Platform","version":"1.0","type":"link"}