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1、ANSI/ICEA S-80-576-2002 ICEA STANDARD FOR CATEGORY 1 all twist lengths are less than 1 . 5 inch (38 mm), and cables containing five (4) pairs or less. 4.2.2 Patch Cordage: For patch cordage, the insulation colors shall conform to one of the color code options shown in Table 4-3. A white marking on t
2、he “RING“ conductor is optional. The color limits of the bandmarks or stripes are not specified, but shall be as close to the color centroid as is commercially practical. 7 -,-,- ICEA S-80-576-2002 TIP CONDUCTOR I RING CONDUCTOR Table 4-2 Red (R) Black (Bk) Black (Bk) Black (Bk) Black (Bk) Black (Bk
3、) Yellow (Y) Yellow (Y) Yellow (Y) Yellow (Y) Yellow (Y) violet 01) violet 0 violet 01) Violet (V) violet 0 - PAIR 1 2 3 4 5 6 7 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 a Slate (S) Slate (S) Red (RI Blue (BI) Blue (BI) Black (Bk) Orange (O) Orange (O) Black (Bk) Green (G) Green (G) Black (
4、Bk) Brown (Br) Brown (Br) Black (Bk) Slate (S) Slate (S) Black (Bk) Blue (BI) Blue (BI) Yellow (Y) Orange (O) Orange (O) Yellow (Y) Green (G) Green (G) Yellow (Y) Brown (Br) Bmwn (Br) Yellow (Y) Slate (S) Slate (S) Yellow (Y) Blue (BI) Blue (BI) violet 01) Orange (O) orange (0) Violet (V) Green (G)
5、Green (G) violet (V) Brown (Br) Brown (Br) Violet (V) Slate (S) Slate (S) violet o/) 1 2 3 4 MARKING Blue (BI) Orange (O) Green (G) Brom (Br) Slate (S) Blue (BI) Orange (O) Green (G) Brown (Br) ODtion 2 Green (G) Red (RI Black (Bk) Yellow (Y) Blue (BI) Orange (O) Brown (Br) Slate (S) INSU LATI ON Bl
6、ue (BI) Orange (O) Green (G) Brown (Br) Slate (S) Blue (BI) Orange (O) Green (G) Brown (Br) Table 4-3 8 -,-,- ICEA S-80-576-2002 UNIT PAIR COUNT 1-25 4.3 ASSEMBLY OF PAIRED CONDUCTOR CABLES UNIT BINDER COLOR white W-Blue (BI) 4.3.1 CORE LAYUP: The appropriate number of pairs shall be assembled into
7、a core or into units that are assembled into a core. For the standard cable sizes of up to 600 pairs, the unit pair count, and binder colors shall be as shown in Table 4-4. For cables containing 125 pair or less, the use of the white binder is optional. On cables containing 25 pairs or less, the use
8、 of color binders is optional. Table 4-4 White (Wj-Orange (O) I 51-75 I White (W)-Green (G) 26-50 4.4 4.5 4.6 126-1 50 1 51 -1 75 176-200 201-225 226-250 251-275 276-300 301 -325 351 -375 326-350 426450 451 -475 . . I white (w)-Brown (Br) I White (WI-Slate (S) Red (R)-Blue (BI) I Red (R)-Orange (O)
9、Red (R)-Green (G) Red (R)-Brown (Br) Red (RNlate (S) Black (Bk)-Blue (BI) Black (Bk)-Orange (O) Black (Bk)-Green (G) Black (Bk)-Brown (Br) Black (Bk)Slate (S) Yellow (Y)-Blue (BI) Yellow (Y)-Orange (O) Yellow (Y)-Green (G) Yellow (Y)-Brown (Br) 476-500 I Yellow (Wiate (s) 501 -525 I Violet 0-Blue (B
10、I) 526-550 551 -575 Violet (!/)-Orange (O) Violet O-Green (G) Violet (V)-Brown (Br) FILLERS: Fillers may be used to improve the flame spread, smoke producing, transmission or other characteristics of the completed cables. Cables with fillers shall be capable of meeting all requirements of this Stand
11、ard. BINDERS: If required for manufacturing reasons, a binder may be applied over the core or core wraps if present. All binders shall be a nonhygroscopic and nonwicking dielectric material. Nonhygroscopic and nonwicking are defined in Appendix A. CORE WRAP: When present, the core wrap shall be a no
12、nhygroscopic and nonwicking dielectric material as defined in Appendix A. 9 -,-,- ICEA S-80-576-2002 4.7 RIPCORD: At the option of the manufacturer or when required by the product specification, a ripcord shall be provided. The ripcord shall be a nonhygroscopic and nonwicking dielectric material as
13、defined in Appendix A. When required by the product specification, the ripcord shall be continuous throughout the length of the cable and shall be capable of slitting the jacket without breaking when tested in accordance with the procedure of Appendix B. SECTION 5 SHIELDS 5.1 5.2 5.2.1 5.2.2 5.2.3 5
14、.2.4 5.2.5 5.3 5.4 SHIELDING SYSTEM: When required by the product specification, the overall cable core shall be shielded using one of the options described in Paragraph 5.2. Care should be taken when putting dissimilar metals in contact with each other. Coatings or other methods of protection may b
15、e necessary to prevent galvanic reaction. SHIELDING MATERIALS: Shielding designs which may be used include, but are not limited to, the following: Aluminum Tape: Bare or coated aluminum tape Copper Tape: Bare or coated copper tape Laminated Tape: Metal tape laminated to a plastic tape with or withou
16、t an uninsulated bare or metal coated drain wire in contact with the metal part of the tape. The tape may be applied with the metal side in or out. Copper Braid: Bare or metal coated copper braid Laminated Tape/Braid: Metal tape laminated to a plastic tape together with a bare or metal coated copper
17、 braid. The braid shall be in contact with the metallic side of the foil. METAL TAPE SHIELD APPLICATION: The metal tape may be longitudinally or helically applied over the core or core wrap if present. METAL TAPE SHIELD SPLICES: When metal tapes per Paragraphs 5.2.1 or 5.2.2 are used, the breaking s
18、trength of any section of shield containing a splice shall not be less than 80% of the breaking strength of an adjacent section of shield of equal length without a splice when tested in accordance with the procedure of Appendix C. A 3-fOOt (0.9 m) section of shield containing a splice shall have an
19、electrical resistance not greater than 11 0% of the resistance of an adjacent section of shield of equal length without a splice. 10 -,-,- ICEA S-80-576-2002 5.4.1 When laminated tape is used with a drain wire per paragraph 5.2.3, the above requirements are not mandatory as long as the drain wire is
20、 electrically continuous. SECTION 6 JACKET 6.1 6.2 6.3 6.3.1 6 . 3 . 2 JACKET MATERIAL: The cable shall be jacketed with suitable thermoplastic material meeting the completed cable requirements of this Standard. Examples of suitable materiais are: pol yolefins polyvinyl chlorides fluoropolymers nonh
21、alogen materials The jacket shall be free from holes, splits, blisters, or other imperfections and shall be as smooth as is consistent with good commercial practice. Repair of holes or other imperfections in the jacket prior to shipment is not permitted without approval of the user. JACKET THICKNESS
22、: Jacket thickness is dependent on the material selected and on the flammability performance level required. Minimum thickness shall be as indicated in the individual product specification. Jacket thickness greater than that specified in the product specification may be necessary to enable the cable
23、 to comply with the flammability or other performance requirements of this Standard. COMPLETED CABLE JACKET REQUIREMENTS: Samples of jacket removed from the completed cable shall meet the requirements listed under this Section. Tensile Strength: When tested in accordance with ASTM D 4565 at 23 f 3C
24、(73 f 5“F), the tensile strength of the jacket removed from the completed cable shall not be less than 1300 psi (9 MPa) for nonhalogen materials and 1800 psi (12.5 MPa) for all other materials. The minimum length of unclamped specimen shall be 2.0 inches (51 mm). The minimum speed of jaw separation
25、shall be 1.0 inch (25 mm) per minute per inch (25 mm) of undamped specimen. Elongation: When tested in accordance with ASTM D 4565 at 23 f 3C (73 f 5“F), the ultimate elongation of the jacket removed from the completed cable shall not be less than 100%. The minimum length of undamped specimen shall
26、be 2.0 inches (51 mm). The minimum speed of jaw separation shall be 1 .O inch (25 mm) per minute per inch (25 mm) of undamped specimen. 11 -,-,- ICEA S-80-576-2002 Conductor Type Solid - Bare Solid - Tin Coated Stranded - Bare Sttanded - Tin Coated 6 . 3 . 3 Heat Exposure (Aging): The jacket of the
27、completed cable shall be capable of retaining a minimum of 70% of its original tensile strength value and a minimum of 50% of its onginal elongation value after aging for 7 days at a temperature of 100 i 1C (212 r 2 F ) . Tensile strength and ultimate elongation shall be tested per Paragraphs 6.3.1
28、and 6.3.2. The oven used for aging shall be an air circulating oven conforming to ASTM D 5423, Type II. at 20C (68F) 22 AWG 24 AWG 26 AWG 1 9 . 8 (65.0) 31.5 (103.4) 4 6 . 9 ( 1 53.9) 1 6 . 9 (55.4) 2 6 . 7 ( 8 7 . 6 ) 4 2 . 7 (140.1) 1 7 . 5 67.1) 27.7 (90.9) 44.4 (145.7) 18.0 (59.7) 28.6 (93.8) 43
29、.9 (144.0) 6.4 JACKET COLOR: The jacket of the completed cable may be natural or pigmented. The color of the jacket shall be at the option of the manufacturer unless otherwise defined by the product specification. SECTION 7 ELECTRICAL REQUIREMENTS 7.1 ELECTRICAL CLASSIFICATIONS: The electrical perfo
30、rmance requirements of the finished cable are defined below. For cables with twisted pairs or quads, the performance has been defined in terms of categories. a.) Category 1: These cables are intended for basic voicegrade communications. S u c h cables are typically available in pair counts from 2-60
31、0. b.) Category 2: These cables are intended for basic voice, text and low speed data transmission. Their transmission characteristics are specified for frequencies up to I MHz. Such cables are typically available in pair counts from 2-100. The electrical performance requirements of unpaired conduct
32、ors are limited to dc resistance. For cables containing quad constructions, the opposing conductors shall be treated as a pair, and shall meet the requirements of the specified category. 7 . 2 DC RESISTANCE: When measured in accordance with ASTM D 4566, the dc resistance of any conductor in a comple
33、ted cable shall not exceed the values specified in Tables 7-1. Table 7-1 CONDUCTOR RESISTANCE 1 Maximum Resistance Ohmskft (Ohmslkm) 1 12 -,-,- ICEA S-80-576-2002 FREQUENCY MHz 0.256 0.512 0.772 1 .o 7.3 7.4 7.5 7.6 7.7 7.7.1 7.7.2 7.8 . d B M (dekm) Cat 2 4.0 (13.0) 5.8 (19.0) 6.7 (22.0) 8.8 (29.0)
34、 DC RESISTANCE UNBALANCE: When determined in accordance with ASTM D 4566, the resistance unbalance between the two conductors of any pair in a completed cable shall not exceed 5.0% when the resistance is measured at or corrected to 20C (68F). For cables containing more than 12 pairs, the average res
35、istance unbalance shall not exceed I .5 %. MUTUAL CAPACITANCE: When measured in accordance with ASTM D 4566, at 1 kHz and 23 I3“C (73 f 5“F), the average mutual capacitance shall not exceed 36 nF/kft (118 nF/k m). PAIR-TO-PAIR CAPACITANCE UNBAIANCE: When measured in accordance with ASTM D 4566 at 1
36、kHz and at 23 f 3C (73 I 5“F), the pair-to- pair capacitance unbalance between any two pairs shall not exceed 160 pF/kft (290 pF/k m). PAIR-TO-GROUND CAPACITANCE UNBAIANCE: When measured in accordance with ASTM D 4566, at 1 kHz and at 23 i 3C (73 f 5“F), the maximum pair-to-ground capacitance unbala
37、nce of any pair shall not exceed 1000 p F M (3281 pFk m). ATTENUATION: The completed cable attenuation shall be measured in accordance with ASTM D 4566 at or corrected to 20C (68F). The individual attenuation of any pair shall not exceed the requirements indicated below. Solid Conductors: There is n
38、o attenuation requirement for Category 1 cables. Category 2 cables shall meet the attenuation requirements stated at the discrete frequencies listed in Table 7-2. Table 7-2 Stranded Conductors: There are no attenuation requirements for Category I and 2 cables with stranded conductors. CHARACTERISTIC
39、 IMPEDANCE: The characteristic impedance shall be measured in accordance with ASTM D 4566, Section 44, Method 3 at 23 I 3C (73 i 5F). There are no characteristic impedance requirements for Category I cables. 13 -,-,- ICEA S-80-576-2002 FREQUENCY, MHz 0.256 0.512 7.9 7.10 7.11 7.12 7.13 CATEGORY 2 90
40、 - 120 87 - 110 For Category 2 cables, the characteristic impedance of any pair in the completed cable shall fall within the range given in Table 7-3. These values are equivalent to a cable having a nominal characteristic impedance of 100 Ohms. TABLE 7 3 .- 0.772 1 .o -. 85- 114 84- 113 INSULATION R
41、ESISTANCE: When measured in accordance with ASTAiI O 4566, each insulated conductor of a completed cable shall have an insulation resistance greater than 500 Megohmokft (152 Megohmokm). The measurement shall be made with all conductors, other than the one under test, and the metallic sheath componen
42、ts grounded. CONDUCTOR-TO-CONDUCTOR DC PROOF TEST: When measured in accordance with ASTM D 4566, the insulation between each conductor and all other conductors, in each completed cable, shall withstand 2500 volts dc. CORE-TO-SHIELD DC PROOF TEST: When measured in accordance with ASTM D 4566, the die
43、lectric material(s) between all conductors and the metallic sheath components in each completed cable, shall withstand 2500 volts dc. AC LEAKAGE TEST: When measured in accordance with Section 68.213(c) of the FCCs Part 68 Rules on Connection of Terminal Equipment to the Telephone Network,.the mis cu
44、rrent flow through the jacket of any completed cable shall not exceed I O mA. CONTINUITY OF METALLIC CABLE ELEMENTS: When measured in accordance with ASTM D 4566, all conductors and metallic sheath components of the completed cable shall be electrically continuous. Continuity of the metallic foil sh
45、ield is not required if a continuous drain wire or metallic braid is present. SECTION 8 MECHANICAL REQUIREMENTS 8.1 CABLE COLD WRAP TEST: For shielded and unshielded cables containing 25 pairs or less, the completed cable specimens shall be conditioned at -20 f 2C (4 f 4F) in an environmental chambe
46、r for 4 hours. While still in the chamber and at the above temperature, the specimens shall be wound around a cylindrical mandrel three times (1080“) in less than 30 seconds. The mandrel 14 -,-,- ICEA S-80-576-2002 8 . 2 8.3 8.4 diameter shall be equal to 8 times the cable diameter for cables not co
47、ntaining a shield, 15 times the cable diameter for cables containing a shield as described in Paragraph 5 . 2 . 1 or 5.2.2, or 5.2.4, and i2 times the cable diameter for cables containing a shield as described in Paragraphs 5 . 2 . 3 or 5.2.5. As an alternative method, the test specimens may be remo
48、ved from the environmental chamber after conditioning and wound around the mandrel in less than 30 seconds after removal. If the mandrel is metal, it shall be conditioned at the same temperature as the specimens. After completing wrapping of the specimens onto the mandrel, remove specimens from the environmental chamber and the mandrel without uncoiling, let the specimens warm to 23 f 3C (73 i 5F) and straighten. The jacket and shield, when present, shall show no visible cracks when examined under normal or