CATEGORY 3 RISER TYPE CABLE,
CONSISTING OF 300 PAIRS
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Three Hundred Pair (300 PAIR) CMP Cable
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Conductor:
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24 AWG Solid Bare Copper
.0201” NOM OD
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Insulation:
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Low Smoke PVC
.038” NOM OD
.0091” AVG WALL
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Pairing:
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Components are twisted into pairs with varying left hand lays to minimize crosstalk.
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Pair#
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Color
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Pair#
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Color
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1
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BLU-WHT+WHT-BLU
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2
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ORN-WHT+WHT-ORN
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3
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GRN-WHT+WHT-GRN
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4
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BRN-WHT+WHT-BRN
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5
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BLU-RED+RED-BLU
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6
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ORN-RED+RED-ORN
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7
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BLU-BLK+BLK-BLU
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8
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ORN-BLK+BLK-ORN
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9
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BLU-YEL+YEL-BLU
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10
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ORN-YEL+YEL-ORN
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11
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BLU-VIO+VIO-BLU
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12
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ORN-VIO+VIO-ORN
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13
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GRY-WHT+WHT-GRY
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14
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GRN-RED+RED-GRN
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15
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BRN-RED+RED-BRN
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16
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GRY-RED+RED-GRY
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17
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GRN-BLK+BLK-GRN
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18
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BRN-BLK+BLK-BRN
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19
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GRY-BLK+BLK-GRY
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20
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GRN-YEL+YEL-GRN
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21
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BRN-YEL+YEL-BRN
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22
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GRY-YEL+YEL-GRY
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23
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GRN-VIO+VIO-GRN
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24
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BRN-VIO+VIO-BRN
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25
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GRY-VIO+VIO-GRY
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Cabling:
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25 pairs are cabled together with a left hand lay. Each 25 pair group uses a different color binder.
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Group#
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Color
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Group#
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Color
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1
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BLU/WHT
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2
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ORN/WHT
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3
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GRN/WHT
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4
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BRN/WHT
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5
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GRYWHT
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6
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BLU/RED
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7
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ORN/RED
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8
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GRN/RED
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9
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BRN/RED
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10
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GRY/RED
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11
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BLU/BLK
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12
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ORN/BLK
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Cabling:
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Twelve groups of 25 pairs each are cabled together with a left hand lay and wrapped with a kevlar binder.
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Overall Jacket:
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Low Smoke PVC White
1.336” NOM OD
.043” AVG Wall
A ripcord is pulled under jacket
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Agency Approvals:
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Underwriters Laboratories, Inc. Type CMP, communications plenum cable, listed as being suitable for use in ducts, plenums, and other spaces used for environmental air. Also listed as having adequate fire-resistant and low smoke producing characteristics, in accordance with article 800 of the national electrical code.
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Typical Category 3 Backbone Cable Electrical Characteristics†
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Characteristic Impedance:
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100 ± 15Ω (1.0-16.0 MHz)
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Maximum Conductor Resistance:
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9.38Ω/100 Meters @ 20° C
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Maximum Resistance Unbalance:
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5%
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Nominal Mutual Capacitance:
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20.0 pF/Ft @ 1 kHz
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Maximum Capacitance Unbalance:
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330 pF/100 Meters
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Frequency
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Insertion
Loss
Max.
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NEXT
Loss
Min.
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PSNEXT
Loss
Min.
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Structural
Return
Loss
Min.
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(MHz)
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(dB/100 m)
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(dB/100 m)
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(dB/100 m)
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(dB/100 m)
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0.772
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2.2
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43.0
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43.0
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----
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1.0
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2.6
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41.3
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41.3
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12.0
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4.0
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5.6
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32.3
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32.3
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12.0
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8.0
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8.5
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27.8
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27.8
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12.0
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10.0
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9.7
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26.3
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26.3
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12.0
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16.0
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13.1
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23.2
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23.2
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10.0
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†Discrete values are for information only. Equations for swept frequencies govern limits
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