Gig Speed Coax 16 (CT5) Flashcards

1
Q

DOCSIS 3.1 aims to support capacities of at least

A

10Gbit/s downstream and 1 Gbit/s upstream

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2
Q

OFDM

A

Orthogonal frequency-division multiplexing

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3
Q

How wide is channel

A

96MHz starting 192MHz possible

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4
Q

LDPC

A

low-density parity-check new error correctio

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5
Q

Gateway Comcast is intending to launch in 2017

A
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)
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6
Q

What equipment is being installed

A

Technicolor TC4400

Netgear Nighthawk X6 (AC3200)

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7
Q

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

A
  • DS: 4096QAM

- US: 1024QAM

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8
Q

Advantage of 3.1

A

Better Noise Immunity & Error Correction

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9
Q

Observed downstream speed

A

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

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10
Q

XFINITY Internet Minimum System Recommendations

505Mbps-1Gbps

A

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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