Category 3 Cable
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CAT3 Backbone, 25pr, Armor Shield, PVC Jkt, CMR (Category 3 Cable) – Belden (ATMM25)

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CAT3, ATMM/ARMM, 25-Pair, F/UTP-foil shield , Riser-CMR, Premise Backbone Cable, 24 AWG solid bare copper conductors, foam polyolefin insulation with PVC skin, ripcord, corrugated aluminum shield bonded to overall PVC jacket
Belden’s DataTwist 3 products come in a variety of pair counts ranging from 2 to 400 in riser and plenum. ATMM (corrugated aluminum tape) versions are also available for added crush resistance.

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Features & Benefits

  • Rugged Design: Cables meet and exceed ANSI/TIA-568-C.2 and CSA T529-95 specifications
  • Engineered to Perform: High-value UTP cable engineered to perform to Category 3 requirements per ANSI/TIA-568-C.2

Specifications

Product Overview

Suitable Applications

Premise Backbone Cable

Physical Characteristics (Overall)

Conductor

AWG Stranding Material No. of Pairs
24 Solid BC – Bare Copper 25

Conductor Count

50

Total Number of Pairs

25

Insulation

Material
PO – Polyolefin (Foam)

Bonded-Pair

N/A

Color Chart

Number Color
1 White & Blue
2 White & Orange
3 White & Green
4 White & Brown
5 White & Slate
6 Red & Blue
7 Red & Orange
8 Red & Green
9 Red & Brown
10 Red & Slate
11 Black & Blue
12 Black & Orange
13 Black & Green
14 Black & Brown
15 Black & Slate
16 Yellow & Blue
17 Yellow & Orange
18 Yellow & Green
19 Yellow & Brown
20 Yellow & Slate
21 Violet & Blue
22 Violet & Orange
23 Violet & Green
24 Violet & Brown
25 Violet & Slate

Color Chart 2

Number Color
1 Blue/White

Outer Shield

Material
Aluminum

Outer Jacket

Material Nominal Diameter Ripcord
PVC – Polyvinyl Chloride 0.470 in Yes

Construction and Dimensions

Armor

Type of Armor Material Thickness of Armoring Tape
Corrugated Aluminum .008 in

Electrical Characteristics

Conductor DCR

Max. Conductor DCR Max. DCR Unbalance
93.8 Ohm/km 5 %

Capacitance

Item # Color Put-Up Type Length UPC ATMM25 008CUT Gray Cut to Length 612825061984 ATMM25 008CUT Gray Cut to Length 1 ft 612825061984

Systems to Support Key Applications
Blade Slot Selection Table

SKU: BELDEN-ATMM25 Categories: , , ,

Brand

Belden

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