Product Number: ATMM300

CAT3 Backbone, 300pr, Armor Shield, PVC Jkt, CMR

CAT3, ATMM/ARMM, 300-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

Availability: Global
Status: Discontinued
Orderable items: 2

Ships from and sold by A5 IT.

Part numbers

ATMM300 is a product family. Each item number below is a separate orderable part — colour, put-up and length differ.

Item #	Color	Putup Type	UPC	Order
ATMM300 008CUT	Gray	Cut to Length	612825062028	Order online
ATMM300 008CUT	Gray	Cut to Length	612825062028	Order online

Specifications

Product Overview

Suitable Applications	Premise Backbone Cable

Product Life Cycle

Life Cycle	Discontinued - the product is no longer manufactured
Discontinuation Announcement Date	2022-08-08

Construction Details

Conductor

Size	24
Stranding	Solid
Material	BC - Bare Copper
No. of Pairs	300

Insulation

Material

PO - Polyolefin (Foam)

Color Code

White & Blue, White & Orange, White & Green, White & Brown, White & Slate, Red & Blue, Red & Orange, Red & Green, Red & Brown, Red & Slate, Black & Blue, Black & Orange, Black & Green, Black & Brown, Black & Slate, Yellow & Blue, Yellow & Orange, Yellow & Green, Yellow & Brown, Yellow & Slate, Violet & Blue, Violet & Orange, Violet & Green, Violet & Brown, Violet & Slate, White/Blue, White/Orange, White/Green, White/Brown, White/Slate, Red/Blue, Red/Orange, Red/Green, Red/Brown, Red/Slate, Black/Blue, Black/Orange

Outer Shield

Material	Aluminum

Armor

Armor Type & Material	CAT - Corrugated Aluminum Tape
Armor Thickness	.008 in (0.20 mm)

Outer Jacket

Material	PVC - Polyvinyl Chloride
Nom. Diameter	1.320 in
Ripcord	Yes

Electrical Characteristics

Electricals

Max. Conductor DCR	93.8 Ohm/km (28.6 Ohm/1000ft)
Max. Capacitance Unbalance	330 pF/100m

Delay

Frequency	16 MHz
Max. Delay	543 ns/100m
Max. Delay Skew	45 ns/100m
Nom. Velocity of Prop.	68%

High Frequency

Frequency [MHz]	Max. Insertion Loss (Attenuation) [dB/100m]	Min. NEXT [dB]	Min. PSNEXT [dB]	Min. ACR [dB]	Min. PSACR [dB]	Min. RL (Return Loss) [dB]	Max./Min. Fitted Impedance
0.772	2.2	47.0	43.0	50.1	46.1		100 +/- 15
1.0	2.6	45.0	41.0	47.8	43.8	12.0	100 +/- 15
4.0	5.6	36.0	32.0	36.0	32.0	12.0	100 +/- 15
8.0	8.5	31.0	27.0	28.3	24.3	12.0	100 +/- 15
10.0	9.7	30.0	26.0	26.2	22.2	12.0	100 +/- 15
16.0	13.1	27.0	23.0	20.1	16.1	10.0	100 +/- 15

Voltage

UL Voltage Rating	300 V RMS

Mechanical Characteristics

Max. Pull Tension	1800 lbs (820 kg)
Bulk Cable Weight	1104 lbs/1000ft (1643 kg/km)

Temperature

UL Temperature	60°C
Operating	-30°C To +60°C
Installation	-20°C To +60°C
Storage	-30°C To +60°C

Bend Radius

Stationary Min.	13.25 in (336.6 mm)
Installation Min.	26.5 in (673 mm)

Standards and Compliance

Environmental Suitability	Riser, Indoor
Flammability / Reaction to Fire	UL 1666 Riser, FT4
NEC / UL Compliance	CMR
CEC / C(UL) Compliance	CMR.
Data Category	Category 3
TIA/EIA Compliance	ANSI/TIA-568-C.2 Category 3
European Directive Compliance	EU CE Mark, EU Directive 2015/863/EU (RoHS 2 amendment), EU Directive 2011/65/EU (RoHS 2), EU Directive 2012/19/EU (WEEE), REACH: 2017-07-10
APAC Compliance	China RoHS II (GB/T 26572-2011)

Product Notes

Notes	Electrical values are expected performance based on cable testing and representative performance within a typical Belden system. Print Includes Descending Footage/Meter Markings. Corrugated Aluminum Armor Bonded to the Jacket.