應(yīng)該是UL444,
該標(biāo)準(zhǔn)包括以下一些CCN
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<div v:shape="_x0000_s1026" class="O"><div style="">nListed as a Communication Cable (DUZX)</div><div style="">nListed as a Communication Cable + Verified to UL Performance Category Program Category 2, 3, 4, 5, 5E, 6 or 6A (DUZX)</div><div style="">nListed as a Communication Cable + Verified by UL in Accordance with other Industry Performance Standards (DUZX )</div><div style="">nListed as a Communication Cable + Verified to UL Performance Category Program Category 2, 3, 4, 5, 5E, 6 or 6A + Verified by UL in Accordance with other Industry Performance Standards (DUZX )</div><div style="">nVerified by UL in Accordance with other Industry Performance Standards (DVBI )</div><div style="">nListed as a Limited Combustible Cable (OWKZ )</div><div style=""></div></div>,
UL LISTED(DUZX)
范圍是
額定溫度在60 – 250℃(140 -182℉)多芯線(xiàn)纜,用于電話(huà)或其它通訊用途,如
語(yǔ)音或數(shù)字傳輸。包括:
MPP (multipurpose plenum cable)
CMP (communications plenum cable)
MPR (multipurpose riser cable)
CMR (communications riser cable)
MP (multipurpose cable for other than plenum and riser uses)
CM (communications cable for other than plenum and riser uses)
CMG (communications cable for other than plenum and riser uses)
MPG (communications cable for other than plenum and riser uses)
Cross-Connect Wire (communications cable for cross-connecting
telephone equipment)
CMX (communications cable for limited use)
CMUC (communications cable for under-carpet use)
UL VERIFIED (DUZX)
范圍是
100ohm 對(duì)絞數(shù)據(jù)傳輸線(xiàn)。UL CAT.線(xiàn)既考察電線(xiàn)的傳輸性能,也包括常規(guī)的跟蹤檢驗(yàn)
性能測(cè)試.產(chǎn)品是否最終滿(mǎn)足某一數(shù)據(jù)系統(tǒng)的使用要求,是由系統(tǒng)設(shè)計(jì)人員確定的,考慮
的因素有:電線(xiàn)長(zhǎng)度、被連接的設(shè)備及工作環(huán)境等。
包括CAT.1,CAT.2,CAT.3,CAT.4,CAT.5,CAT.5E,CAT.6