Connection Types

Question 1

What is the max cable length and non-encoded transfer speed of USB 1.1?

Answer 1

5 meters, 12 Mbps

Question 2

What is the maximum cable length and transfer speed of USB 2.0?

Answer 2

5 meters and 480 Mbps

Question 3

What is the max cable length and transfer speed of USB 3.0?

Answer 3

3 meters, 5 Gbps

Question 4

What is the max cable length and transfer speed of USB 3.1 Gen 2?

Answer 4

3 meters, 10 Gbps

Question 5

What is the max cable length and transfer speed of USB 3.2?

Answer 5

Up to 3 meters, 20 Gbps

Question 6

Which USB types are half duplex and which are full duplex?

Answer 6

USB 1.1 and USB 2.0 are half duplex, USB 3.0, 3.1, and 3.2 are full duplex

Question 7

Which USB revisions have EMI issues and which do not have as many?

Answer 7

USB 1.1 has Less EMI, USB 2.0, 3.0, 3.1, and 3.2 all have crosstalk, attenuation, and jitter

Question 8

What is a common issue for USB 1.1?

Answer 8

USB 1.1 has less problems but it is slower

Question 9

What is a common issue for USB 3.0?

Answer 9

Spread spectrum-interference (ISM radio bands, Wifi)

Question 10

What is a common issue for USB 3.1 and USB 3.2?

Answer 10

Risk of signal degradation

Question 11

What are some common connector types for USB connections?

Answer 11

USB Type-A, USB Type-B, USB Mini-B, USB Micro-B, and USB Type-C

Question 12

What versions of USB is the Mini-B capable of?

Answer 12

USB 1.1 and 2.0

Question 13

How many USB devices can connect on one port?

Answer 13

Up to 127 devices

Question 14

How much minimum power is output per USB port for USB 2.0 and 3.0 (mA, W, V)?

Answer 14

USB 2.0: 500 mA, 2.5 W, 5V

USB 3.0: 900 mA, 4.5W, 5V

Question 15

What are the signaling rates for USB4 Gen 2 and 3?

Answer 15

Gen2 is 10 Gbps and Gen3 is 20 Gbps. With 2 lanes, the speeds for Gen2x2 is 20 Gbps and Gen 3x2 is 40 Gbps

Question 16

What does USB 3.2 1x1 (Or USB 3.2 Gen 1) represent (Nickname, total data rate, # lanes, data rate per lane, encoding type, effective speed, comparable other gens, denotation)?

Answer 16

SuperSpeed, 5 gigabit per second (Gbit/s) data signaling rate over 1 lane using 8b/10b encoding (effective 500 MB/s) , the same as USB 3.1 Gen 1 and USB 3.0. (Logo denoted SS5)

Question 17

What does USB 3.2 2x1 (Or USB 3.2 Gen 2) represent (Nickname, total data rate, # lanes, data rate per lane, encoding type, effective speed, comparable other gens, denotation)?

Answer 17

SuperSpeed+, 10 gigabit per second (Gbit/s) data rate over 1 lane using 128b/132b encoding (effective 1.2 GB/s), the same as USB 3.1 Gen 2. (logo denoted SS10)

Question 18

What does USB 3.2 Gen 1×2 represent (Nickname, total data rate, # lanes, data rate per lane, encoding type, effective speed, denotation)?

Answer 18

SuperSpeed+, 10 gigabit per second (Gbit/s) data rate over 2 lanes using 8b/10b encoding (effective 1 GB/s). (denoted SS10)

Question 19

What does USB 3.2 Gen 2x2 represent (Nickname, total data rate, # lanes, data rate per lane, encoding type, effective speed, denotation)?

Answer 19

SuperSpeed+, new 20 gigabit per second (Gbit/s) data rate over 2 lanes using 128b/132b encoding (effective 2,424 MB/s). (denoted with a SS20 logo)

Question 20

What connection type has the same end as Thunderbolt 1 and 2?

Answer 20

Mini DisplayPort (available in Displayport 1.2)

Question 21

What is the max speed of Thunderbolt 1?

Answer 21

10 Gbps per channel / 20 Gbps total - only Thunderbolt 1 supports dual channels

Question 22

What is the cable length of Thunderbolt 1?

Answer 22

Optical = 60 meters, copper = 3 meters

Question 23

What is the duplex type of Thunderbolt 1?

Answer 23

Full duplex

Question 24

What is the max transfer speed of thunderbolt 2?

Answer 24

20 Gbps

Question 25

What is the cable length of Thunderbolt 2?

Answer 25

Optical = 60 meters, copper = 3 meters

Question 26

What is the duplex type of Thunderbolt 2?

Answer 26

Full duplex

Question 27

What is the maximum transfer speed of Thunderbolt 3?

Answer 27

40 Gbps

Question 28

What is the max cable length of Thunderbolt 3 (optical & copper)?

Answer 28

Optical = 60 meters, copper = 3 meters

Question 29

What is the duplex type of Thunderbolt 3?

Answer 29

Full duplex

Question 30

What is the transfer speed of Firewire 400?

Answer 30

400 Mbps

Question 31

How many devices per port are allowed for FireWire400 and FireWire800?

Answer 31

63 devices per port

Question 32

What is the duplex type of FireWire400 and FireWire800?

Answer 32

Full Duplex

Question 33

What is the transfer speed of FireWire800?

Answer 33

800 Mbps

Question 34

What is the power output for FireWire400 and FireWire800 (voltage)?

Answer 34

12V

Question 35

What are some of the underlying technologies commonly supported by Thunderbolt 1.0?

Answer 35

4xPCIe 2.0, DisplayPort 1.1a

Question 36

What are some of the underlying technologies commonly supported by Thunderbolt 2.0?

Answer 36

4xPCIe 2.0, DisplayPort 1.2

Question 37

What are some of the underlying technologies commonly supported by Thunderbolt 3.0?

Answer 37

16xPCIe 3.0, DisplayPort 1.2, HDMI-2 and USB 3.1 Gen2

Question 38

What is the power output for Thunderbolt 1 and 2(V, W)

Answer 38

18V, 10W

Question 39

What is the power output for Thunderbolt 3 and 4?

Answer 39

100W in either direction

Question 40

What are the minimum requirements that Thunderbolt 3 supports?

Answer 40

Thunderbolt 3 always supports a bandwidth of 40 Gbps, at least one 4K video display, at least 16 lanes of PCI-e 3.0, and at least USB 3.2 at 10 Gbps. Depending on the manufacturer it can support two 4K displays.

Question 41

What are the minimum requirements that Thunderbolt 4 supports?

Answer 41

Thunderbolt 4 always supports a bandwidth of 40 Gbps, at least two 4K displays or one 8K display, at least 32 Gbps of PCI-e, at least USB 3.2 at 10 Gbps, wake up from sleep for keyboard/mouse movement, and DMA (direct memory access) protection.

Question 42

What is the greatest length of passive Thunderbolt 3.0 cable that supports up to 40 Gbps?

Answer 42

0.5 Meters guaranteed, 0.8 meters probably

Question 43

What are the maximum lengths for thunderbolt 3 active and passive cables to be able to support 40 Gbps?

Answer 43

Passive cables cost less and can reach up to 40 Gb/s data transfer if the length is 0.5m or less and 20 Gb/s if over 0.5m. Active cables can reach up to 40 Gb/s data transfer with a length of up to 2m.

Question 44

What is the maximum length at which a Thunderbolt 3 cable can provide speeds of 40 Mbps from a USB 3.1 (non-thunderbolt) port?

Answer 44

Up to 0.8 M

Question 45

What underlying technologies are supported by Thunderbolt 4?

Answer 45

DP 1.4/2.0, PCI-e 3.0/4.0, USB 3.2, USB 4

Question 46

Can you use Thunderbolt 3 cables with Thunderbolt 4 devices?

Answer 46

Sometimes but most likely will not work

Question 47

What are some of the different types and speeds of USB-C (non-thunderbolt) cables?

Answer 47

5 Gbps - SuperSpeed, USB 3.0/USB 3.1 Gen 1/USB 3.2 Gen 1 10 Gbps - SuperSpeed+, USB 3.1 Gen 2/USB 3.2 Gen 1x2, USB 3.2 Gen 2x1 20 Gbps - SuperSpeed+, USB 3.2 Gen 2x2, USB 4.0

Question 48

What is the maximum length of a Thunderbolt 4 cable?

Answer 48

2 Meters

Question 49

What type of connector is this?

Answer 49

USB 3.0 Micro B

Question 50

What type of connector is this?

Answer 50

USB 3 Type B

Question 51

What type of connector is this?

Answer 51

USB 3 Type A

Question 52

What type of connector is this?

Answer 52

USB Mini-B 4 Pin

Question 53

What type of connector is this?

Answer 53

USB Mini-B 5 Pin

Question 54

What type of connector is this?

Answer 54

USB Micro-B

Question 55

What type of connector is this?

Answer 55

USB-C

Question 56

What type of connector is this?

Answer 56

USB-B

Question 57

What type of connector is this?

Answer 57

USB-A

Question 58

What type of connector is this?

Answer 58

FireWire 400 4-pin (not powered)

Question 59

What type of connector is this?

Answer 59

FireWire 400 6 Pin

Question 60

What type of connector is this?

Answer 60

FireWire 800 9 pin