CAT3 Backbone, 50pr, Armor Shield, PVC Jkt, CMR (Category 3 Cable) – Belden (ATMM50)

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	50

Conductor Count	100
Total Number of Pairs	50

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
Group One Binder	White/Blue (12 Pr)
Group Two Binder	White/Blue (13 Pr)
Group Three Binder	White/Orange (12 Pr)
Group Four Binder	White/Orange (13 Pr)

Color Chart 2

Number	Color
1	White/Blue (12)
2	White/Blue (13)
3	White/Orange (12)
4	White/Orange (13)

Outer Shield

Material
Aluminum

Outer Jacket

Material	Nominal Diameter	Ripcord
PVC – Polyvinyl Chloride	0.660 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

Max. Capacitance Unbalance	Nom.Mutual Capacitance
330 pF/100m	17 pF/ft

Delay

Part Numbers

Frequency [MHz]	Max. Delay

Item #	Color	Put-Up Type	Length	UPC
ATMM50 008CUT	Gray	Cut to Length		612825061991
ATMM50 008CUT	Gray	Cut to Length	1 ft	612825061991

Systems to Support Key Applications
Blade Slot Selection Table