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Gig Speed Coax 16 (CT5) Flashcards Preview

2016 Master > Gig Speed Coax 16 (CT5) > Flashcards

Flashcards in Gig Speed Coax 16 (CT5) Deck (10)
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1

DOCSIS 3.1 aims to support capacities of at least

10Gbit/s downstream and 1 Gbit/s upstream

2

OFDM

Orthogonal frequency-division multiplexing

3

How wide is channel

96MHz starting 192MHz possible

4

LDPC

low-density parity-check new error correctio

5

Gateway Comcast is intending to launch in 2017

XB6
32x8 channel bonding
Moca2.0(with upgrade to 2.1)
8x8 802.11ac wave 2@5GHz
2x2 802.11n @2.4GHz
XH support(ZigBee,BT LE, Thread)

6

What equipment is being installed

Technicolor TC4400
Netgear Nighthawk X6 (AC3200)

7

What are the best Higher Orders Of Modulation On The Upstream & Downstream

-DS: 4096QAM
-US: 1024QAM

8

Advantage of 3.1

Better Noise Immunity & Error Correction

9

Observed downstream speed

~940 Mbps DS (theoretical limit due to Ethernet overhead)

10

XFINITY Internet Minimum System Recommendations
505Mbps-1Gbps

Your desktop or laptop should be running a Microsoft mainstream-supported Windows operating system (on PC) or an Apple-supported OS X operating system (on Mac).
You should use a recent version of one of the following browsers for the best speeds: Chrome, Firefox, Internet Explorer, or Safari.

Your desktop or laptop should have a 10/100/1000 Gigabit Ethernet interface or adapter for when you use a wired connection.
Your desktop or laptop also should have a Dual-Core Intel Core i5 (or faster) processor and a solid-state drive (SSD) to support your speed.

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