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Troubleshooting

Refer to the following table if you have trouble with your

MERLIN

system. Identify the symptom in the “Trouble” column of the table, and perform the recom-

mended steps to isolate and correct the problem. If you are unable to identify a particular problem, perform the General Test on page 36 before calling your equip-
ment supplier for help. Once you have programmed and administered your system, you may want to obtain the Service and Maintenance Manual: Models 206,
410, and 820 for additional information on how to troubleshoot your system.

TROUBLESHOOTING TABLE

Trouble

Possible Cause

Do this

Then

You have difficulty

Incorrect Tone/Pulse

1. Check the Tone/Pulse switch

the switch is set to Tone and you

set the switch to Pulse. This cor-

placing outside calls

setting

setting on the control unit.

have rotary pulse service

rects the setting but does not solve

from one or more

the problem. Go on to step 2.

voice terminals.

the switch is set to Pulse and

set the switch to Tone.

you have Touch-Tone service

the switch is set correctly

go to step 2.

Call Restriction

2. Refer to the administration

the feature is activated on the

deactivate the feature following the

feature activated on

manual to learn how to ad-

malfunctioning voice terminals

instructions in the administration

malfunctioning voice

minister the Call Restriction

manual.

terminal

feature.

the feature is not activated

go to step 3.

Faulty

MERLIN

3. Try to place an outside call

the trouble appears only on in-

the trouble is caused by a compo-

system components

and an intercom call from

tercom calls or the trouble ap-

nent in your system. Go to the test

several voice terminals.

pears only on one voice terminal

for “Trouble with terminal lights,
speaker, or ringing.”

the trouble appears only on out-

go to step 4.

side calls from all voice ter-
minals or the trouble appears on
more than one but not all voice
terminals

Faulty telephone

4. At the control unit location,

the trouble appears on the basic

go to step 5.

company wiring

find the network interface

telephone, and the network in-

associated with the outside

terface uses a line adapter

line from which you cannot
make a call. Unplug the line

the trouble appears on the basic

your outside line is faulty. Report

cord from the network inter-

telephone, and the network in-

the trouble to your local telephone

face and, in its place, plug in

terface does not have a line

company representative.

a basic Touch-Tone or rotary

adapter

telephone. (Do not use a

MERLIN

system voice ter-

minal.) Try to place an out-
side call from the telephone.

Содержание MERLIN 820

Страница 1: ...AT T MERLIN COMMUNICATIONS SYSTEM INSTALLATION GUIDE MODEL 820 ...

Страница 2: ...e System Test Each Voice Terminal for a Dial Tone Label the Voice Terminals with Intercom Numbers Installing Accessories Cartridges Accessory Equipment Power Accessories System Tests Test the Voice Terminal Jacks for a Dial Tone Place an Outside Call Place an Intercom Call Test Each Line Number What s Next System Changes Adding an Outside Line Adding a Voice Terminal Moving a Voice Terminal Changi...

Страница 3: ...de telephone lines Installing the Control Unit explains how to set up and connect the system s control unit Voice Terminal Wiring tells you how to install the wiring for your voice ter minals MERLIN system telephones Connecting the Voice Terminals tells you how to connect your voice ter minals to the system and test them Installing Accessories describes some of the accessories that you may want to...

Страница 4: ...d the system Confirm the voice terminal and control unit locations and make sure the control unit location meets the following environmental standards Operating temperatures 40 to 104 F 4 to 40 C Humidity not to exceed 80 Ventilation Leave 6 inches of space above and to the sides of the control unit Keep the control unit away from sources of extreme heat furnaces heaters attics or direct sunlight ...

Страница 5: ...ts your voice terminal locations to your control unit location If your voice terminal locations are close enough to your control unit to make direct connection practical you are probably plan ning to connect your voice terminals directly to the control unit with modular voice terminal cords and if necessary modular voice terminal extension cords If you are planning to connect your voice terminals ...

Страница 6: ...1 10 2 9 Jack field 7 Voice terminal Building wiring 6 5 8 AC outlet Control Unit Modular jumper cord Line cord Network Interface 3 4 Modular voice terminal cord Modular wall jack 5 ...

Страница 7: ...e jack field yourself this guide tells you how to do so in Preparing the Network Interface page 7 The drawing top right shows direct connections between a voice terminal and the control unit and between the network interface and the control unit The drawing bottom right shows a voice terminal connected to the control unit through the building wiring and a jack field It also shows ad ditional wirin...

Страница 8: ...r connecting your MERLIN system to your outside telephone lines The drawing right shows the three types of interfaces and the 2 line adapter 267C for the 2 line network interface jack The table on page 8 tells you what to do next depending on the type of network interface you have 1 Line jack RJ11 type 2 Line jack RJ19 type 2 Line adapter 66 Type block with Multiline connector RJ21 type 7 ...

Страница 9: ... 1 Label each jack with the two labeled with the telephone numbers for its out telephone numbers side lines from the list provided for its two outside by the local telephone lines company 2 Plug a 2 line adapter 267C into each jack 3 Go on to Test the Outside Lines page 13 has a 50 pin the interface is label Go on to the instructions for extend connector ed with the telephone ing the network intef...

Страница 10: ...able The drawing right shows a 4 line adapter Z610A a 25 pair connectorized cable and a jack panel box Z122C A drawing of the green on white label sheet appears on page 12 You also need a jacket stripping tool to slit the jacket on the 25 pair cable and a cable termination tool to punch the wires down onto the block s on the 4 line adapter s Your equipment supplier or technical con sultant can hel...

Страница 11: ...ld by meshing the tongues and grooves as shown Use the screws provided or other appropriate fasteners to attach the jack panel box to the wall or mounting surface supporting the jack field Snap a 4 line adapter into the box so that the jacks on the adapter face to the right If you have more than four outside lines snap a second adapter into the box in the same way 1 3 10 ...

Страница 12: ...ack field Following the order and color code in the drawing right use a cable termination tool to punch the wires down into the grooves on the block on the adapter If you have more than four outside lines continue to punch wires down on the second adapter until you have connected a jack for each outside line If your cable termination tool does not trim the wires as it punches them down trim the en...

Страница 13: ...pear at the network in terface or on the list provided by the local telephone company Using the telephone number directory as a guide label the jacks in the jack panel box with the appropriate line jack labels Attach the label for jack panel box 1 8 to the outside of the right door of the jack panel box Attach the long narrow label showing jacks 1 through 8 to the inside of the right door of the j...

Страница 14: ...al tone installation a line does not have a the jack for that line at Have the local dial tone the network interface is telephone company a 1 line jack RJ11 type check the line and the network interface Mean while continue with the installation the jack for that line at Replace the adapter the network interface is with a new one and try a 2 line jack RJ14 type again for a dial tone If with a 2 lin...

Страница 15: ...lation kit But whether you wall mount the control unit or place it on a table or shelf make sure it s within 5 feet of an ac outlet that is not switch controlled within 5 feet of the network interface and within 6 inches of the jack field if you have one 6 inches maximum The drawing right provides a diagram for positioning the control unit Notice that the control unit is centered above and within ...

Страница 16: ...the faceplate down Remove the hole plug in the faceplate by pushing it out Slide the module into the slot and seat it firmly Close the faceplate If you have cartridges insert each one as follows 4 2 3 1 2 3 4 5 1 2 3 4 Open and remove the control unit door Match the type of cartridge you are inserting with the appropriate slot NOTE Type I cartridges go in the top slot Type II cartridges go in the ...

Страница 17: ...n the control unit comes on momentarily and then Power switch 1 Green power light goes off If the green power light doesn t come on Do This If Then Test the outlet by the outlet isn t working have it repaired or use plugging in a radio or a properly another outlet lamp the outlet is working do not continue with properly the installation Turn off the control unit unplug it from the ac outlet and co...

Страница 18: ...phone numbers listed at the network interface or on the left door of the box in the jack field contain ing the jacks for your outside lines Write the telephone number you assign to each of the line jacks on your control unit in the appropriate space in the system directory Beginning with the pair of labels marked A label each modular line cord at both ends with matching line cord labels Plug one e...

Страница 19: ...l cords and if necessary modular voice terminal extension cords or 2 indirectly through the building wiring to a jack field at the control unit location Whichever procedure you use you need the following items from the installa tion kit to complete the connections System directory You ve already recorded the telephone numbers for your outside lines on it Modular jumper cords You should have one 2 ...

Страница 20: ...umper cord labels Plug one end of the cord labeled 10 into voice terminal jack number 10 on the control unit Following the system directory and the jack field labeling plug the other end of the cord into the jack in the jack field for the voice terminal loca tion to which you have assigned intercom 10 Repeat the procedure for each jumper cord and close the doors on the boxes when you re finished P...

Страница 21: ...r the plug to the voice terminal and the matching label near the plug to the control unit Run the cords from the voice terminal locations to the control unit CAUTION Do not run cords inside or on top of air plenums or ducts along hot pipes or across walkways If you use staples to attach cords to walls or baseboards be careful not to pierce the cords Plug each cord into the voice terminal jack on t...

Страница 22: ... one end of the coiled handset cord into the handset and the other end into the jack next to the handset symbol at the base of the voice terminal body Plug the modular voice terminal cord into the jack labeled Line on the bottom of the voice terminal NOTE If the other end of this modular voice terminal cord is already plugged into the control unit as may be the case for a voice terminal located ve...

Страница 23: ... Ter minals page 22 the connection requires Plug the loose end one or more modular of the modular voice extension cords terminal cord into the jack on the ex tension cord that ter minates the wiring run from the control unit location Then go on to step 3 a jack field connection Plug the loose end to the control unit of the modular voice terminal cord into the wall jack at the voice terminal loca t...

Страница 24: ...o Off and back again to On If the green power light still does not go on contact your equipment sup plier for assistance before continuing with the installation B Check the wiring run the wiring connections make a note of the from the control unit to are stable problem and refer the voice terminal to the Troubleshooting Table page 33 after you ve completed the installation you find one or more fix...

Страница 25: ...lem switch to turn up the volume the tone still doesn t make a note of it and sound refer to the Troubleshooting Table page 33 after you ve completed the installation 4 Slide the T P switch to the center position The lights stop flashing and the tone stops Check the circled wiring connections if the lights do not flash 24 ...

Страница 26: ...ABEL THE VOICE TERMINALS WITH INTERCOM NUMBERS 2 1 2 3 4 Fill in an intercom number label for each voice terminal Pry the plastic number card retainer away from its slot below the hand set with a straightened paper clip or similar tool Lay the intercom number label in the slot and replace the plastic retainer Verify the voice terminal s intercom number Touch the fifth button down in the leftmost r...

Страница 27: ...tem If you need to add one or more voice terminals or outside lines to your system add a 2 Line Module a 5 Voice Terminal Module or a 2 Line 5 Voice Terminal Module to your control unit POWER ACCESSORIES You may find it necessary to add auxiliary power components to your system For example you may need a Voice Terminal Power Supply for a 34 button deluxe voice terminal with an accessory connected ...

Страница 28: ... cord from the voice terminal jack on the control unit for intercom 10 and plug the voice terminal s modular cord into the jack for intercom 10 The red light goes on next to the middle button in the leftmost row of flat buttons Touch the fifth button down in the leftmost row of buttons Intercom Ring then pick up the handset and verify a dial tone The green and red lights go on next to the button R...

Страница 29: ... red light 1 Dial an outside number for example a friend s home After the call is answered place the call on hold by touching Hold The green light next to the line button flashes rapidly Return to the call on hold by touching the line button next to the flashing green light Verify two way communication and hang up 2 4 5 3 28 ...

Страница 30: ... voice terminal verify two way communication and then hang up the handsets at both voice terminals The lights on both voice terminals go out and the red light goes on next to the third button down in the leftmost row of buttons Repeat this procedure for every voice terminal you want to check 2 3 TEST EACH LINE NUMBER Go to the voice terminal for intercom 10 Have someone place calls from another vo...

Страница 31: ...nister your MERLIN system Assign individual lines and call restrictions to individual voice terminals Program individual voice terminals Once you ve customized the system to meet your business needs review the user s guide to learn how to use the MERLIN system custom features This installation guide contains information about system changes and troubleshooting Keep it for later reference 30 ...

Страница 32: ...e access to the new line s If you have a Feature Package refer to the administra tion manual that came with it for instructions on assigning a line to a voice terminal Record the changes in your system directory ADDING A VOICE TERMINAL You can easily add more voice terminals to your MERLIN system as your business and communication demands increase Your system can accom modate up to 20 voice termin...

Страница 33: ...record the change of location in the system directory If you have a direct connection from the new location to the con trol unit find the modular cord that terminates the wiring run from the new location to the control unit and plug that cord into the voice terminal jack in the control unit with the voice terminal s intercom number This procedure for a direct connection requires you to relabel bot...

Страница 34: ... feature activated on manual to learn how to ad malfunctioning voice terminals instructions in the administration malfunctioning voice minister the Call Restriction manual terminal feature the feature is not activated go to step 3 Faulty MERLIN 3 Try to place an outside call the trouble appears only on in the trouble is caused by a compo system components and an intercom call from tercom calls or ...

Страница 35: ...de to voice terminal is programmed change the ringing option following learn how to program ringing not to ring the instructions in the user s guide options the voice terminal is pro go to step 3 grammed to ring 5 1 2 3 1 Refer to the user s guide that the feature is activated deactivate the feature following the came with the Feature instructions in the user s guide Package to see if the feature ...

Страница 36: ...e is caused by one of the unit and replug each into the cables running to the malfunction other s jack See if the trou ing voice terminal Go to step 4 ble occurs on the working voice terminal 4 Replace each cable one at a the trouble still occurs the replaced cable is not the faulty time and test the malfunc one Replace the next cable tioning voice terminal the trouble no longer occurs you ve foun...

Страница 37: ...g light goes out the problem is solved One of the modules or cartridges was not securely in place the red warning light remains on contact your equipment supplier GENERAL TEST If you are experiencing a problem not described in the previous tests or if none of the tests reveal a specific problem try the following procedure before calling your equipment supplier Trouble Possible Cause Do this If The...

Страница 38: ...your equipment supplier must notify your local telephone company s business office Tell them the Telephone numbers you will be using with this equipment Equipment s registration number and the ringer equivalence number REN You must notify your local telephone company if and when this equipment is permanently disconnected from the line s Installation and Operational Procedures This guide and the ad...

Страница 39: ...Company 4 6 7 13 31 37 Loudspeaker Paging 26 Modems 26 Modular Jumper Cords 18 19 32 Modular Voice Terminal Cords 4 5 6 18 20 21 22 Modular Voice Terminal Extension Cords 4 18 20 22 Modular Wall Jacks 4 5 22 Modules 4 15 17 19 20 31 Music on Hold 26 Network Interface Jacks 4 5 6 7 8 13 31 1 Line RJ11 type 7 8 2 Line RJ14 type 7 8 Multiline Connector RJ21 type 7 8 11 Operating Temperatures 3 Outsid...

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