Faults Rectification Faults Rectification Faults Diagnosing Faults Diagnosing

Resolved Steps Resolved Steps

TRANNING MODULE 3TRANNING MODULE 3

TOOL BAG

According to check list check your tools bag on daily basis.

Line tester (JDSU / Acterna) (with dopter) Testing Modem (with Adopter) Tone tester Multimeter Cramping tool R-J 11 Connector R-J 11 Cables R-J 11 Cable one end open Nose Player Cutter Player Tester (Star Kit) Knife Rozits Splitter

Voice Filter (Micro Filter) Tape ( Nito… ) Wire Clip (Nail clip) Cable Ties Jumper Wire Service Forms

COMPLAINT

User face problem (scenario) Frustrated User ?Follow the module 1 InstructionRegarding how to Communicate user

On DSL we mostly received mention below complaints

1) Modem Unsync2) Modem Sync / Unsync3) Dial Tone O.K But Modem Unsync4) Modem Sync But No Dial Tone5) No Dial Tone6) Noise Raised In Line / Earthing / Humming7) Sync When Engage Line8) Error Found Line

TYPES OF COMPLAINT

Modem Unsync

Appearance :

Modem’s “Line”, “Link”, “DSL”, “CD” (in case of router) LED (light) not show “ON”

Causes: DSL Line (R-J 11 Cable) not plug-in in modem. Wrong number plug-in in modem R-J 11 cable faulty DSL Line wrongly plug-in modem (Plug-in in R-J 45 Pin) Splitter faulty Extension in line ( Indirect Line / PABX..) Noise in line (Pair fault) Modem configuration issue (Modulation….) Modem faulty Adopter faulty Duplicate adopter ( adopter not match ) Line dead Jumper patch as opposite ( wrongly patch N.E at C.P)

Check Dial tone Check DSL number by taking CLI ( If dial tone present) Check DSL line quality (Should be free from Earthing/Noise/Humming e.t.c) Check DSL line plug-in properly with modem Check R-J 11 cable directly with rozit Check Rozit (Should be one pin …..Replace from 2 pin Rozit) Check cable route Check Splitter Check and observe modem behavior (Selt test)

Modem Unsync

Fault Tracing Steps: (In House / Premises Activity)

Check cable route Remove extensions (Cable / Drop Wire should be direct from D.P to Modem) Properly patch cable from end points (Rozit and D.P) Rozit should be one (single) pin (Replace from 2 pin Rozit) Connect DSL line with Splitter Check and Refresh Rozit and D.P Check modem behavior ( check with on / off )

Modem Unsync

Resolve Steps: (In House / Premises Activity)

Modem Sync / Unsync

Appearance :Modem’s “Line”, “Link”, “DSL”, “CD” (in case of router) LED (light) show Blinking

Causes:

R-J 11 cable Faulty R-J 11 cable connector pins rusted Rozit rusted or faulty Rozit may be 2 pin (both in use with same number) Splitter faulty Splitter not plug-in properly (wrong connection of splitter) Joint(s) in line ( Open or rusted) Extension in line ( Indirect Line / PABX..) Noise / Distortion in line (Pair fault….. include internal or external) Earthing / Humming in line (Pair fault ….. include internal or external) Crossing in line Line dead (working on single pair…. Pair fault ….. include internal or external) Modem , Cabling not fixed (moveable …) Power Fluctuation Duplicate adopter ( adopter not match ) Modem faulty Jumper patch as opposite ( wrongly patch N.E at C.P)

Modem Sync / Unsync

Check Dial tone Check DSL number by taking CLI Check DSL line quality (Should be free from Earthing/Noise/Humming e.t.c) Check DSL connector (Should not lose or clip broken) Check R-J 11 cable directly with rozit Check Rozit (Should be one pin) Check cable route Check Splitter Check modem behavior (Selt test)

Fault Tracing Steps: (In House / Premises Activity)

Check cable route Remove extensions (Cable / Drop Wire should be direct from D.P to Modem) Properly Refresh / Repatch cable from end points (Rozit and D.P) Remove / Replace if cable found faulty ( Noise found b/w D.P to Rozit) Replace / Remove Rozit if found rusted Connect DSL line with Splitter Check modem behavior ( check with on / off )

Modem Sync / Unsync

Resolve Steps: (In House / Premises Activity)

Dial Tone Ok But Modem Unsync

Causes:

DSL Line (R-J 11 Cable) not plug-in in modem. Wrong number plug-in in modem DSL Line wrongly plug-in modem (Plug-in in R-J 45 Pin) Splitter faulty Extension in line ( Indirect Line / PABX..) Pair low ( External Pair fault) Modem faulty Adopter faulty Duplicate adopter ( adopter not match ) Number shifted on “ONU” or Fiber Optics

Appearance :

Modem’s “Line”, “Link”, “DSL”, “CD” (in case of router) LED (light) not show “ON” But Dial tone clear.

Dial Tone Ok But Modem Unsync

Check DSL number by taking CLI Check DSL line quality (Should be free from Earthing/Noise/Humming e.t.c) Check DSL line plug-in properly with modem Check Rozit (Should be one pin …..Replace from 2 pin Rozit) Check cable route Check Splitter Check and observe modem behavior (Selt test)

Fault Tracing Steps: (In House / Premises Activity)

Check cable route Remove extensions (Cable / Drop Wire should be direct from D.P to Modem) Properly Refresh / Repatch cable from end points (Rozit and D.P) Install one (single) pin Rozit Connect DSL line with Splitter

Dial Tone Ok But Modem Unsync

Resolve Steps: (In House / Premises Activity)

Modem Sync But No Dial Tone

Causes:

R-J 11 Cable faulty (Pin or one wire break) Phone Set faulty Cable not patch properly from Rozit or D.P Jumper wire not patch at (Cybernet or P.T.C.L) N.E Tag Block P.T.C.L (Main or Secondary) pair faulty Splitter faulty

Appearance :

Modem’s “Line”, “Link”, “DSL”, “CD” (in case of router) LED (light) show “ON” But Dial tone not present.

Check line with other telephone set Check DSL line on Rozit ( Without splitter ) Check DSL line on D.P Check DSL line properly patch at D.P Check Splitter

Modem Sync But No Dial Tone

Fault Tracing Steps: (In House / Premises Activity)

Check cable route Patch DSL properly on D.P and Rozit Remove extensions (Cable / Drop Wire should be direct from D.P to Modem) Properly Refresh / Repatch cable from end points (Rozit and D.P) Install one (single) pin Rozit Connect DSL line with Splitter

Modem Sync But No Dial Tone

Resolve Steps: (In House / Premises Activity)

No Dial Tone

Causes:

R-J 11 Cable faulty (break) Cable not patch properly from Rozit or D.P Jumper wire not patch at (Cybernet or P.T.C.L) Tag Block P.T.C.L (Main or Secondary) pair faulty or Break Splitter faulty

Appearance :

Modem’s “Line”, “Link”, “DSL”, “CD” (in case of router) LED (light) not show “ON” Dial tone not present.

Check DSL line on Rozit ( Without splitter ) Check DSL line on D.P Check DSL line properly patch at D.P Check Splitter

No Dial Tone

Fault Tracing Steps: (In House / Premises Activity)

Check cable route Patch DSL properly on D.P and Rozit Remove extensions (Cable / Drop Wire should be direct from D.P to Modem) Properly Refresh / Repatch cable from end points (Rozit and D.P) Install one (single) pin Rozit Connect DSL line with Splitter

No Dial Tone

Resolve Steps: (In House / Premises Activity)

Noise Raised in Line (Earthing / Humming)

Causes:

Rozit Rusted (Pin or screw found carbon) Internal cable joints open and rusted Line indirect or in PABX D.P Pin found rusted Internal / Droop Wire rusted or low quality P.T.C.L Primary / Secondary media faulty (Open joints or effective due to water) Jumper wire touch other pin or same pin twice on Tag Block Splitter faulty

Appearance :

Distortion in line , Earthing (light noise other then dial tone) in line , Dial tone (voice) feel as vibrate

Check R-J 11 Cable properly Check Rozit properly Check internal cable route and joints Check D.P pin properly Check DSL line properly patch at D.P Check line voltage Check Splitter

Noise Raised in Line (Earthing / Humming)

Fault Tracing Steps: (In House / Premises Activity)

Check cable route Check R-J 11 cable with Internal cable Replace Rozit (Install one (single) pin Rozit ) Remove extensions (Cable / Drop Wire should be direct from D.P to Modem) Properly Refresh / Repatch cable from end points (Rozit and D.P) Connect DSL line with Splitter

Noise Raised in Line (Earthing / Humming)

Resolve Steps: (In House / Premises Activity)

Sync When Line Engage

Causes:

Earthing in line Rozit Rusted (Pin or screw found carbon) P.T.C.L Primary / Secondary media faulty low quality Internal / Droop Wire rusted or low quality Splitter faulty

Appearance :

Modem try to sync, Earthing (light noise other then dial tone) in lineExtension in line

Check R-J 11 Cable properly Check Rozit properly Check Splitter Check line quality (voltage) Check internal cable route and joints Check DSL line properly patch at D.P Check Splitter

Sync When Line Engage

Fault Tracing Setps: (In House / Premises Activity)

Change internal pair if STP in use Replace Rozit (Install one (single) pin Rozit ) Remove extensions (Cable / Drop Wire should be direct from D.P to Modem) Properly Refresh / Repatch cable from end points (Rozit and D.P) Connect DSL line with Splitter

Sync When Line Engage

Resolve Steps: (In House / Premises Activity)

Error Found in Line

Causes:

Lose patching from Tag Block (Cyber or P.T.C.L) Lose patching from D.P Lose joint Open joints Earthing in line Crossing in line Rozit Rusted (Pin or screw found carbon) P.T.C.L Primary / Secondary media faulty low quality Internal / Droop Wire rusted or low quality

Appearance :

Error in line like CRC (near / far), FEC (near/ far), HEC (near / far), Earthing (light noise other then dial tone) in line , Extension in line

Check R-J 11 Cable properly Check R-J 11 connector pin ( cable / modem ) Check Rozit properly (Rozit Pin) Check Splitter (Splitter pin) Check line quality (voltage) Check internal cable route and joints Check DSL line properly patch at D.P

Error Found in Line

Fault Tracing Setps: (In House / Premises Activity)

Change internal pair if STP in use Replace Rozit (Install one (single) pin Rozit ) Remove extensions (Cable / Drop Wire should be direct from D.P to Modem) Refresh joints and tapped properly (if found) Properly Refresh / Repatch cable from end points (Rozit and D.P) Connect DSL line with Splitter

Error Found in Line

Resolve Steps: (In House / Premises Activity)

OUT-SIDE PREMISES ACTIVITY

There are 2 stages of out-side premises activity

In-side Exchange Activity (M.D.F Activity)

Out-side Exchange Activity (Media Activity)

M.D.F ACTIVITY

Check dial tone on given Tag Block Pin Confirm required number by taken CLI Verify jumper not touch other pin or twice in a pin Use Dogger for punch jumper at Tag Block Pin Sure about jumper patch as per standard (Broad Band Tag Block “ A+C “ is C.P side and “ B+D ” is “ N.E” side) Check dial tone at P.T.C.L C.P Tag Block Pin Check dial tone (line) quality (if found earthing / humming then it is issue is main or secondary media) (last mile cable issue could not imagine from tag block )

In-Side Exchange Activity

Check Dial tone at Cabinet (both pin Main pair and Secondary Pair) Check Voltage from Multimeter (either pair is O.K or low quality) Check line quality from Line Tester (JDSU) If found reading not satisfactory then request to divert main pair As same activity perform at D.P side for confirmation about secondary media is O.K

MEDIA ACTIVITY

After the confirmation from Premises (from Modem to D.P) and M.D.F (Cyber Tag Block to P.T.C.L “ C.P “ Tag Block) Activity should focus to Media Activity.

Out-side Exchange Activity

IDEAL CONNECTION SAMPLE

There are 4 terminal in Single pin rozit Required terminal for DSL line is 2 onlyAs standard color for two pin rozit are Green and Red terminal

SINGLE PIN ROZIT

SINGLE PIN ROZIT

We can make 2 pin Rozit to 1 pin Rozit by removing one pin’s terminal from Rozit box

2 Pin Rozit(Single) 1 Pin Rozit

There are 2 types of 2 Pin Rozits

Direct 2 Pin Rozit Short 2 Pin Rozit

2 Pin Rozit

1) Direct 2 Pin Rozit 2) Short 2 Pin Rozit

Why should not use 2 Pin Rozit ?

It may be short Some one can short for get extensionShort 2 Pin Rozit consider as extension in lineIf 2 number are use in one 2 Pin Rozit then number can exchangeIn both pin same number may be use

2 Pin Rozit

Modem Status

We can view modem status for check line quality

( like errors, SNR, Attenuation )

MODEM STATUS

Write modem gate way “ 192.168.1.1 “ on internet explorer address bar

A dialog box will appear as

Enter user name as “ admin “ and password as “ admin “ press “ OK ”

MODEM STATUS

Modem internal display will appear as

MODEM STATUS

If you face any problem to access modem via Gate way (192.168.1.1)even modem is (working) browsing properly then

MODEM STATUS

Write “www.whatismyip.com” on internet explorer address bar

An I.P address will appear Just copy I.P address on explorer address bar A login dialog box will appear Enter login name and password Modem status display will appear as previous

What is Hunting facility?What is Call transferring facility?Why Bandwidth (Up stream, Down Stream) change or vary?Why Errors (CRC, HEC, FEC) near end or far end?Why SNR varying?Why Attenuation high ? What is standard of SNR and Attenuation

Related Questions

QUESTION / ANSWER SESSION

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