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Dan2024 Study > epon pdf > Flashcards

epon pdf Flashcards

1
Q

The bending radius of a 3mm fiber optic cable is

A

1.25 inches

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2
Q

This tool is used to inspect fiber

A

Fiber scope

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3
Q

A blue fiber connector indicates this type of connection

A

UPC

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4
Q

What should the light levels should the fiber read for EPON installation

A

negative 8 to negative 28 dBm

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5
Q

The SC interface is how large in size

A

2.5 mm (millimeter)

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6
Q

LC interface is how large

A

1.25 mm (millimeter(

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7
Q

EPON fiber can serve up to how many homes from each PON

A

128

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8
Q

OLT sends this over its optical link

A

Ethernet Frames

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9
Q

HFC communicates with a CMTS similar to EPON communicates
with this

A

OLT (Optical Line Terminal)

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10
Q

Each PON may split up to how many feeds

A

32 split feeds

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11
Q

Fiber tap (NAP) can split up to how many feeds

A

8

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12
Q

XF3 has this type of fiber connection attached to it

A

SC-UPC

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13
Q

This houses the first splitter location of the PON

A

FDC (Fiber Distribution Cabinet)

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14
Q

Connects directly to fiber optic links to send ethernet frames

A

OLT (Optical Line Terminal)

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15
Q

optical signal to transmit a QAM carrier and coming out of the node
they are using RF

A

AIM (analog Intensity Modulation)

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16
Q

OLT transmits how much power, dBm range

A

(+)2 to +5 dBm

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17
Q

Too broadcast data from OLT to all ONUs this type of multiplexing
is uses

A

TDMA (Time Division Multiple Access

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18
Q

This houses the first splitter location of the PON

A

Fiber Distribution Cabinet (FDC)

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19
Q

Connects directly to the fiber optic links to send ethernet frames

A

OLT

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20
Q

These frames are used in the EPON from the headend to the
customer

A

Ethernet

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21
Q

Which XB7 model is supported for EPON

A

technicolor CGM4331COM

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22
Q

Which mode does the XB7 have to be in to communicate with the
ONU

A

EWAN

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23
Q

Factory reset on XB7

A

hold down WPS button 30 - 90 sec

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24
Q

which port on XB7 is for epon/2.5 Gb

A

Port 4

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25
Q

Customer must be within this amount of a fiber node Gig Pro

A

1/3 mile

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26
Q

Xb8 features this version on MoCA

A

2.0 version

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27
Q

Name 3 features the XB8 for extra connectivity

A

Zigbee, Bluetooth Low Energy, IoTivity

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28
Q

Model name XB8

A

CGM4981COM

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29
Q

Total # of clients XB8 can support over wifi

A

300

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30
Q

Maximum data throughput on XB8

A

2.5 Gbps

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31
Q

How many wireless clients can connect on each band

A

100

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32
Q

What is the maximum number of coaxial outlets over EPON

A

8

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33
Q

What is the maximum number of wireless boxes over EPON

A

7

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34
Q

In a 2-box scenario which device is the boot file located on

A

ONU

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35
Q

XB7 light Solid Amber

A

Initial power and boot up

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36
Q

XB7 light Blinking amber

A

Establishing DS

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37
Q

XB7 light Blinking Green

A

Establishing US

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38
Q

XB7 light Blinking White

A

ready for activation

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39
Q

XB7 light Alternating blinking AMBER and Green

A

Firmware

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40
Q

XB7 light Solid White

A

Online

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41
Q

Which firmware is required for the XB7

A

RDK-B

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42
Q

XB7 light Blue

A

WPS

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43
Q

This standard specifies a set of protocol to meet the security
requirements for protecting data traversing Ethernet LANs

A

802.1AE

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44
Q

You want to validate the fiber connector using the OES FTTx
guideline

A

Inspect before you connect

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45
Q

This port is used on the CBR2 for EPON

A

port 6

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46
Q

Use this tool to verify the connector is clean

A

Fiberscope

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47
Q

CBR2 must be in this mode for EPON

A

eWAN

48
Q

What is the maximum number of phone lines on EPON

A

8

49
Q

Which phone ports are still active in battery backup mode

A

port 1 and 2

50
Q

External battery backup has a maximum indoor environment temperature rating of this, in degrees

A

113 F

51
Q

To provide adequate ventilation to external battery must provide
this amount space above and below, in inches

A

6 inches

52
Q

To provide adequate ventilation to external battery must provide
this amount space in front, range in inches

A

2 to 4 inches

53
Q

To provide adequate ventilation to external battery must provide
this amount space on both sides, in inches

A

2 inches

54
Q

What is the maximum number of set top devices on EPON for
business

A

8 (Xi5 or Xi6)

55
Q

Mbps needed per IP box

A

10 Mbps

56
Q

The minimum RSSI value for wireless box

A

-65 dBmv

57
Q

Maximum number of wired ethernet boxes on CBR2

A

4

58
Q

Maximum number of wired boxes with switch installed

A

8

59
Q

BAU drop length

A

0 to 300 ft

60
Q

standard drop length is now up to this many feet

A

1500 ft

61
Q

SRO

A

Special Request Order

62
Q

Fiber Drops up to this length in feet are serviceable

A

1500 ft

63
Q

In an EPON Two Box configuration the boot file is located on this
device

A

ONU

64
Q

Name the two models of the Technicolor 2 box EPON

A

CGM4331COM and CGM4333COM

65
Q

PPE required when working with fiber

A

gloves and safety glass, hat

66
Q

is a fiber to the premises offering available in certain areas and meant to meet the demand of customers who seek the highest
levels of service from the network

A

EPON

67
Q

When running fiber drop cables use this method to lay out the drop
before running to premise

A

figure 8 method

68
Q

Fiber pig tails are a minimum of this slack is recommended, in feet

A

20 ft

69
Q

FOC

A

Fused On Connectors

70
Q

slack loop must be left from the drop cable strand grip to the aerial
optical tap port, diameter

A

12 inches

71
Q

expansion loop for fiber drop at each J-hook or P hook location,
in inches

A

6 inches

72
Q

at the premise enclosure range in inches, strength member should
be present

A

2 to 4 inches

73
Q

excess slack should be in diameter loop of, in inches

A

12 inches

74
Q

FTO

A

Fiber Transition Outlet

75
Q

install this where the fiber enters the distribution enclosure

A

grommet

76
Q

preparing the fiber mark the fiber at this location in mm

A

40 mm

77
Q

ONU 2 box installation light level range

A

(-28.5 to -4 dBm) or -28 to -8 dBm

78
Q

XB7 must be in this mode for EPON

A

EWAN or Auto mode

79
Q

maximum distance cat 5e from ONU to XB7

A

300 ft

80
Q

Maximum coax length to power up ONU

A

50 ft

81
Q

IDF

A

Intermediate Distribution Frame

82
Q

XB7 port is marked with this color for EPON

A

orange

83
Q

OLT

A

optical link termination

84
Q

FLM

A

fiber link module

85
Q

is a single, shared optical fiber using inexpensive optical splitters
to divide the single fiber into separate strands feeding individual
subscribers

A

PON

86
Q

Rural EPON designs must utilize this architecture

A

Distributed split

87
Q

EPON minimum and maximum number of homes passed

A

64 to 128

88
Q

is defined as the optical network between the OLT and FLM

A

OTL (optical trunk link)

89
Q

vBNG

A

virtual Broadband Network Gateway

90
Q

OTL

A

optical trunk link

91
Q

a typical EPON system is composed of these 4 parts

A

OLT, OTL, ODN, ONU

92
Q

is required to provide EPON beyond the 20 km distance limitation
of EPON optical networks

A

OTL Optical Transport link

93
Q

This terminates into the FLM in OLD deployments

A

OTL Optical Transport link

94
Q

Provides connectivity from DASS

A

OTL Optical Transport link

95
Q

Is an optical distribution network consisting of passive optical
splitters which connect to the OLT and ONUs

A

ODN

96
Q

Is in the customer premise and provides optical interfaces which
are connected to the OLT

A

ONU

97
Q

MST

A

Multiport Service Terminal

98
Q

is an outside plant fiber optic terminal that provides a point for
connecting subscriber drop cables to the network

A

Multiport Service Terminal (MST)

99
Q

List the three boxes that are compatible with CBR2 for EPON

A

Xi5, Xi6, XiOne

100
Q

OTE

A

Optical Terminal Enclosures

101
Q

Fiber comes to the premises from this device

A

NAP (Network Access Point or MST (Multiport Service Terminal)

102
Q

commonly caused by firmly pressing the fiber against a non-flat
surface.

A

Microbend

103
Q

Maximum drop slack recommended

A

20 ft

104
Q

To locate the proper NAP port this map is used

A

Aegis maps

105
Q

Minimum drop slack recommended

A

10 ft

106
Q

Use this tool to inspect connections and ports

A

Fiber scope

107
Q

XB7 comes out of the box in this mode

A

DOCSIS

108
Q

MiniOTE

A

Mini Optical Terminal Enclosure

109
Q

EPON spitters are only used at these locations

A

Home based business

110
Q

OSP

A

Online Service Provider

111
Q

Required length of a slack loop at all mid-span pole attachments

A

6 inches

112
Q

EPON fiber drops has this size jacket, in mm

A

4.8 mm

113
Q

ROLT

A

Remote Optical Line Terminal

114
Q

EFMP

A

Ethernet in the first mile PON

115
Q

2 box EPON this is the preferred method to deliver video services,
list 2 type of boxes

A

Xi5, and Xi6

116
Q

Port 6 is this color when the CBR2 has a WAN IP

A

Blue

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