Inter-Tel Imx/Gmx 256 Installation And Field Maintenance Manual

							INTER-TELPRACTICESIMx/GMx 256 INSTAUATION & MAINTENANCETROUBLESHOOTINGIssue 1, November 1994
FIGURE 6-5.KEYSET TROUBLESHOOTING CHART (CONT’D)
SYMPTOMIPROBABLE CAUSEICORRECTIVE ACTION
Cannot place off-hook voiceProgramming error
Ensure that the system option for off-hook voice
ImlOMce callsannounce is enabled (PROGRAMMING, page
5-67), that the called keyset is programmed to
receive 
OWA calls, and that the calling keyset is
programmed to transmit OHVA calls (PRO-- 
GRAMMING, page 5-30).
User error
The called station is a single-line set, 8-line key-
set, 
8-line AIM keyset, GMX 1Zline keyset, GX
244ine keyset (these station instruments cannot
receive 
OHVA calls) or a keyset that is pro-
grammed not to receive 
OWA calls. Or, the
called keyset user may have blocked the OlWA
call. Refer to page 4-61 in FEMURES for more
information.
Secondary voice path busyThe called 
keyset cannot receive off-hook voice
a~ounce calls when its secondary voice path or
speakerphone are in use. Refer to 
FEMTUWS,
page 4-61.
Defective 
keysetPerform the keyset self-test as described in IN-
ST-ON, pages 3-64,3-73, or 3-85, and
replace the 
keyset if faulty.
Defective 
DKSC/KSC
Replace the associated DKSC/KSC.
Defective RCPU Card
Refer to pages 6-l and 6-2 to test the system
voltages. Replace the card if faulty.
SYMPTOM
Erratic keyset operation
Jamp status incorrect)
PROBABLE CAUSE
CORRECTIVE ACTION
Station cable exposed to in-Ensure proper station cable runs. Refer to IN-
terference
STALLKlTON, page 3-6.
Station loop limits exceededPerform the station loop resistance test as outlined
on page 3-29 in 
INSTALLATION.
Defective cabling or 
connec-
Ensure that 3OVDC is present at the modular jack
tiOIlSand polarity is correct. Check for loose or open
connections in the station cabling and the line
cord. Refer to Figure 3-2 on page 3-8 in 
INSTAL-
LALION.
Defective 
keyset
Programming error
Defective 
DKWKSC
Defective RCPU CardPerform the 
keyset self-test as described in IN-
STXLLATION, pages 3-64,3-73, or 3-85, and
replace the 
keyset if faulty.
Ensure that the proper key map has been assigned
to the 
keyset. See PROGRAMMING, page 5-44.
Replace the associated 
DK!WKSC.
Refer to pages 6-l and 6-2 to test the system
voltages. Replace the card if faulty.
Page 6-35 
						

							TROUBLESHOOTINGINTER-TELPRACTICESIssue 1, November 1994IMX/GMX 256 INWTION t IMAWIXNANCE
FIGURE 6-6.SINGLELINE SET TROUBLESHOOTING CHART
,!SYMPTOMPROBABLE CAUSE
CORRECTIVE ACTION
Single-line set completelyDefective setReplace the single-line set.
inoperative
Defective cablingCheck 
amphenol connector and station cabling.
Refer to INSTALLATION, pages 3-21 and 3-26to 3-28.
Defective SLC, IDC, or TlCReplace the associated SLC, IDC, or TlC.
Defective RCPU Card-Refer to pages 6-1 and 6-2 to test the system
voltages. Replace the card if faulty.SYMPTOMPROBABLE CAUSECORRECTIVE ACTION
Single-line set inoperative;Defective set
Replace the single-line set.
talk battery present
Defective SLC or DC
Replace the associated 
SLC or IDC.
Defective RCPU Card
Refer to pages 6-l and 6-2 to test the system
voltages. Replace the card if faulty.SYMPTOMPROBABLE CAUSE
CORRECTWE ACTION
Single-line set inoperative;Defective setReplace the single-line set.
calls ring in; talk battery is
present
Defective SLC or 
DCReplace the associated SLC or DC.
Defective RCPU CardRefer to pages 6-l and 6-2 to test the system
voltages. Replace the card if faulty.
SYMPTOMPROBABLE CAUSECORRECTIVE ACTION
A group of 8,16, or 24 sing-Loose amphenol connectorEnsure connector is securely attached to the SLC,
le-line sets inoperative; alllDC, or TIC.
are on the same SLC, IDC,
or 
TlC
Defective SLC, DC, or TlCReplace the associated SLC, DC, or TIC.
SYMPTOMPROBABLE CAUSECORRECTIVE ACTION
Single-hue set will not ringDC or single-line set riugSet the associated jumper strap for the correct
for CO or intercom calls;jumper straps not set for 
cor-ringer (AC or DC). Refer to INSTALLATION,
talk battery is present; calls
rect ringingpages 3-51 and 3-95.
can be placed
Defective setReplace the set.
Defective SLC or IDCReplace the associated SLC or IDC.
Defective RCPU CardRefer to pages 6-l and 6-2 to test the system
;:voltages. Replace the card if faulty.
Page 6-36 
						

							INTER-TELPRACTICESIMX/GM.X 256 INSTALLATION & MAINTENANCETROUBLE!3HOOTING
Issue 1, November 1994
FIGURE 6-6.SINGLELINE SET TROUBLESHOOTING CHART (CONT’D)SYMPTOM
Riug trip is not provided to a
group of eight or 16 
single-
line sets; outgoing calls are
not affectedSYMPTOM
A group of AC ringer-
equipped single-line sets
will not ring for CO or inter-
com calls; talk battery is
Present; calls can be placed;
all stations are on the same
SLC or IDC
battery present; 
callsVcan be
placedSYMPTOM
Cannot obtain intercom dial
tone; no sound is heard
IPROBABLE CAUSE
-48VDC absent from SLC
or 
lDCCORRECTIVE 
ACTlON
Defective connection or incorrect installation of
-48VDC on the SLC or IDC. Using a voltmeter,
measure the 
-48VDC at the SLC/TDC block. Refer
to installation, pages 3-21 to 3-28.
Defective cablingUsing a voltmeter, measure the 
-4WDC input at
- the amphenol connector. Refer to Figure 3-19 onpage 3-28 in 
lNSPALLAPION.
Defective SLC or 
DC1 ReDlace the associated SLC or DC.PROBABLE CAUSE
ICORRECTIVE ACTION
Defective power supply
module(s)Refer to INSTALLAI’ION, page 3-42, to perform
the power supply electrical test. Replace the power
supply module(s) if faulty.
Defective SLC or 
DC
Defective RCPU CardReplace the associated SLC or 
DC.
Refer to pages 6-l and 6-2 to test the system
voltages. Replace the card if faulty.PROBABLE CAUSE
Defective power supply
module(s)CORRECTIVE ACTIONRefer to INSTALLM’ION, page 3-42, to perform
the power supply electrical test. Replace the power
supply module(s) if faulty.
Defective SLC or IDC
Defective RCPU CardReplace the associated SLC or IDC.
Refer to pages 6-l and 6-2 to test the system
voltages. Replace the card if faulty.PROBABLE CAUSE
ICORRECTIVE ACTIONI
Either a DTMF decoder,Single-line station user will hear busy tones when
voice channel, or tone 
gen-any of the necessary resources are not available.
erator is not available
User may camp on.
Defective set
Defective SLC or 
DC
Replace the single-line set.
Replace the associated SLC or IDC.
Defective RCPU Card
Refer to pages 6-l and 6-2 to test the system
voltages. Replace the card if faulty.
Page 6-37 
						

							TROUBLESHOOTINGIssue 1, November 1994INTER-TELPRACTICESIMX/GMX 256 INSTALLATION & l&UNTENANCE
FIGURE 6-6.SINGLELINE SET TROUBLESHOOTING CHART (CONT’D)
SYMPTOMPROBABLE CAUSE
CORRECTIVE ACTION
Cannot place intercom call;User errorTry the call again. User may have dialed an iuval-
dial tone present, but reorder
id number.
tone heard
Defective setReplace the single-line set.
Called station is in a 
differ-
To allow such calls (if desired), place the two sta-
Ient tenant group and cross-tenant traffic is denied
tions in the same tenant group or allow cross-
tenant traffic. See
PROGRAMMING, page 5-67.I
Defective RCPU CardRefer to pages 6-l and 6-2 to test the system
voltages. Replace the card if faulty.
ISYMPTOMIPROBABLE CAUSE
NOTE: See also CO trunk problems on page 6-19.
SYMPTOM
Cannot place off-hook voice
announce calls
CORRECTIVE ACTIONI
Replace the single-line set.1
Replace the associated SLC or DC.
Refer to pages 6-l and 6-2 to test the system
voltages. Replace the card if faulty.
PROBABLE CAUSE
Programming error
CORRECTIVE ACTION
Ensure that the system option for off-hook voice
announce is enabled (PROGRAMMING, page
5-67) and that the station is programmed to trans-
mit (page 5-30).
User errorCalled station is a single-line set or a 
keyset that is
not equipped with a secondary voice path.
Defective RCPU CardRefer to pages 6-l and 6-2 to test the system
voltages. Replace the card if faulty.
SYMPTOMPROBABLE CAUSECORRECTIVE ACTION
%rgle-line sets not rexxiv-Programming errorMessage waiting indication option must be en-
ing message waiting indica-abled in the database. Refer to page 5-30 in PRO-
dons and/or message lampsGRAMMING.
not functioning properly
Single-line set installed on
In order for single-line set message waiting lamps
anlDcto function, the set must be installed on premises
on an SLC 
(IDCs do not support message waiting
applications), and the associated power supply
chassis must have a functioning -48V Module.
Defective or missing powerWhile leaving a message, check for 
-108VDC
supply module, or defectiveacross tip and ring. Replace the defective power
SLCsupply module or SLC.
Page 6-38 
						

							INTER-TELPRACTICESIMWGMX 256 INSTALLATION & MAINTENANCETROUBLE!SHOOTING
Issue 1, November 1994
FIGURE 6-7.DSS/BLF’ UNIT TROUBLESHOOTING CHARTSYMPTOMPROBABLE CAUSECORRECTIVE ACTION
DSS/BLF Unit inoperative;Defective fuse on theIf the DKSC/KSC is equipped with a fuse, remove
no 
LED indication presentassociated DKSCKSCthe fuse and check it with an ohmmeter; replace if
while key is pressed
faulty.
Defective cablingEnsure 
3OVDC present at the DSWBLF modular
jack and polarity is correct. Check 
for loose or
- open connections. Refer to Figure 3-2 on page 3-8in 
INST-ON.
PCDPM and/or transformerCheck installation. Refer to INST~ON,
not installed properly or de-
page 3-66. Replace if defective.
fective
Defective 
DSS/BLF UnitReplace the DSWBLF Unit.
Defective 
DKSC/K!KReplace the associated DKSC/KSC.
SYMPTOMPROBABLE CAUSECORRECTIVE ACTION
XV&F Unit inoperative;Programming errorCircuit is identified for keyset use. Refer to page
XD indication present5-132 in PROGRAMMING.Circuit must be
while key is pressed
equipped for DSWBLF Unit use. Also, check DSS/
BLF key assignments in PROGRAMMING, page
5-44.
Defective DSS/BLP Unit
Defective 
DRSC/KSC
Defective RCPU CardReplace the 
DSS/BLF Unit.
Replace the associated 
DKSQKSC.
Refer to pages 6-l and 6-2 to test the system
voltages. Replace the card if faulty.
1
tSYMPTOM
XS/BLF Unit LED indica-
ions incorrectPROBABLE CAUSE
ICORRECTIVE ACTIONI
Cable exposed to interfer-
enceRefer to 
INSTALLALION, page 3-6, for correct
cabling procedures.
Programming error
I
Check DSWBLF key assignments in PROGRAM-
MING, page 
5-44.I
Defective DSSJBLF Unit
Defective RCPU Card
-- -
Replace the DSS/BLP Unit.
Refer to pages 6-l and 6-2 to test the system
voltages. Replace the card if faulty.SYMPTOM
Calls are transferred to the
wrong stationPROBABLE CAUSEUser error
Programming errorCORRECTIVE ACTIONRefer to FEWWRES, page 4-103, for procedures.
Check 
DSS/BLF key assignments. Refer to PRO-
GRAMMING, page 
5-44.
Page 6-39 
						

							TROUIUX~~H~~~GIssue 1, November 1994INTEFC-TELPRACTICESIMX/GMX 256 INS~TION & MAINTENANCE
FIGURE 6-7.DSS/BLF UNIT TROUBLESHOOTING CHART (CONT’D)
theDSS/BLFPROBABLE CAUSE
Programming error
User error
Defective 
keyset
Defective 
DSS/BLF Unit
Defective 
DKSC/KSC
Defective RCPU Card
CORRECTWE ACTION
Ensure that the system option for off-book voice
announce is enabled, that the immediate off-hook
voice announce option is enabled, that the 
DSS/
BLP station is programmed to transmit, and that
the called 
keyset is programmed to receive. Refer
to pages 5-67 and 5-30 in PROGRAMMING.
The called station is a single-line set, 
8-line key-
set, 
8-line AIM keyset, Gh4X 12-line keyset, GX
24-line 
keyset (these sets cannot receive OHVA
calls), or a keyset that is programmed not to re-
ceive 
OHVA calls. Or, the called keyset user may
have blocked the 
OWA call. Refer to page 4-61
in 
FEAlUES for more information.
Perform the 
keyset self-test as described in IN-
STALLAllON, pages 3-64,3-73, or 3-85, and
replace the 
keyset if faulty.
Perform the 
DSWBLF Unit self-test as described
in 
lNS’rmON, page 3-90,3-92, or 3-93,
and replace the 
DSS/BLF Unit if faulty.
Replace the associated 
DKSC/KSC.
Refer to pages 6-l and 6-2 to test the system
voltages. Replace the card if faulty.
Page 
6-48 
						

							INTER-TE3LPRACTICESIMx/GMx 256 INS~TION & MAINTENANCETROUBLESHOOTINGIssue 1, November 19946. CUSTOMER SUPPORT
A. TECHNICAL SUPPORT
6.1Ifproblems persist when installing or servicing In-ter-Tel equipment: While 
on site and with fire proper
trwbleshooting tools available, certified technician
may contact Inter-Tel’s Customer Support Department
for assistance. They can be reached 
from 7~00 AM. to
590 P.M. Mountain Standard Time at 602-961-9000 orl-800-669-5858.
B. EMERGENCY 
ASSIS’IANCE6.2 After office hours and on weekends, call
602-961-0277 and leave your message with the voice
mail service. A Customer Support Product Specialist
will return your call as soon as possible, usually withinan hour. Please remember that this is an emergency
number for critical system problems only. Sales ques-
tions, equipment orders, etc., can only be handled dur-
ing normal business hours.c. INTER-TEL SERVICES
6.3When the system is installed with one of the Ex-
tended 
software packages, the customer has the option
of having the 
Weekly Toll Limit feature enabled, as ex-
plained below. To do so, the dealer must contact 
Inter-Tel Services. There is an additional charge for the
Weekly Toll Limit feature. Contact Inter-Tel Services at
800-669-5858 for details.6.4 The 
Exzended software database contains a
prompt that indicates the remaining days that the week-
ly toll limits will be in effect. This value automatically
decreases by one each day. When the 
“RemainingDays”
value reaches 0, the Weekly Toll Limit feature is dis-
abled and calls are no longer monitored. 
Asystem alarm
indicates 
TOLL SECURITYFlXIURE EXPIRED. To
enable the feature again, Inter-Tel Services 
personnel
must reset the “Remaining Days” value. A system mo-
dem is needed for remote access.
7.DEFECTIVE UNIT RETURNPOLICY 
*I
IMPOR’MNT
For complete information on returning equipment,
refer to the 
currenr Inter-Tel Material Return Policy
(document part number 835.1065). This document
includes specific information on the following sub-
jects: warranty, procedures to follow when return-ing equipment, equipment damaged in shipment,
insurance, repair policy, and advance replacement
policy.
7.1
(1)
(2)
(3)
(4)
(5)
Obtain an MlU number from Inter-Tel’s Order
Pr-ing Department. Write the MRAnnmber
and ATIN: MRA on the outside of each cartonbeing returned. 
DK!ZR-TEL DOES NOT AC-
CEPTEQUIPM~IFTHEMRANUMBER IS
NOT ON THE CARTON.
On the repair tag, identify the unit by the equip
ment name, part 
nnmber, and serial number. (Re-
pair tags are available from Inter-Tel.)
Describe the defect in detail and, if applicable,
the circuit number related to the defect. Include
applicable alarm messages and/or field service
diagnostics, if possible. Document the estimated
length of time the part had been in service prior
to the failure. 
ALL EQUtPMmRETUlU#ZD
FOR REPAIR MUST BE TAGGED Wlli7 COM-
PLETE 
DEZ~L~EDI~?FORM~TIONREGARD-
ING THE DEFECT OR IDIZh’TTFIC-ON OF
THE PROBLEM.
Attach the upper portion of the repair tag to the
defective equipment. Retain the bottom portion
for your files.Properly package the equipment for shipping
(i.e., return in original package or equivalent).
WARRANTY MAY BE VOIDED IF EQUIP-
MENT IS IMPROPERLY PACKAGED.
Page 6-41 
						

							INTER-TELPRACTICESREPLACEMENTPARTSIMX/GMX 256 INSTALL,ATION & MAINTENANCEIssue 1. November 1994
REPLACEMENT PARTSCONTENTS
PAGE1. Introduction.........................................................7-l
2. Ordering Procedure..................................................7-l
3. Replacement Parts List
...............................................7-l
4. Recommended Spare Parts
............................................7-l
1. INTRODUCTION
1.1This section provides the information necessary to
order and stock replacement parts for the 256 System.2. ORDERING PROCEDURE
2.1When ordering equipment for the 256 System,
provide the following information to the order process-
ing clerk:
Company name
Purchase order 
number
Required date of shipment
Part number(s) of equipment ordered
Quantity required3. REPLACEMENT PARTS LIST
3.1Figure 7-l lists authorized parts available for re-
placement on the 256 System.NOTE: For information on the GX and GMX station
instruments, refer to appendixes A and B in the back of
this manual.4. RECOMMENDED SPARE PARTS
4.1It is madatory that spareparts be kept on hand to
ensure the best possible customer service.4.2 Figure 7-2 on page 7-5 lists the quantities of
spare parts recommended to adequately maintain and
service ten 256 Systems.FIGURE 7-l.
REPLACEMENT PARTS
DESCRIPTIQNPART NUMBFB
IMX 256 Digital Station Instruments
Standard Digital Keyset (or Terminal) - nondisplay........550.4300
Standard Digital 
Keyset (or Terminal) - display............550.4000
Executive Digital 
Keyset (or Terminal) - display...........550.4100Digital 
DSS/E%F Unit..................................550.4200IMX 256 Charcoal Station Instruments
- Equipped with Dynamic Microphones
244,me Standard Keyset................................660.5000
24-Line Display Keyset................................660.5200
24-Line AIM Keyset (display only).......................660.6100
12-Line Standard 
Keyset................................660.5780
12-Line Display Keyset................................660.5600
12-Line AIM 
Keyset (display only).......................660.6300
g-Line Keyset (non-display only).........................660.5900
g-Line ATM Keyset (display only)........................660.6400
Enhanced Single-Line Set 
(ESLS)........................660.5300Page 7-l 
						

							REPLACEMENTPARTSIssue 1, November 1994INTER-TELPRACTICESIMX/GMX 256 INSTALLATlON & MAINTENANCE
FIGURE 7-l.REPLACEMENT PARTS (CONT’D)/
PART NUMBERIMX 256 Charcoal Station Instruments 
- Equipped with Electret Microphones
24-Line Standard Keyset................................660.7700
24-Line Display Keyset................................660.7600
24-Line AIM Keyset (display only).......................660.7000
12-Line Standard Keyset................................660.7900
12-Line Display Keyset................................660.7800
12-Line AIM Keyset (display only).......................660.7200
8-Line Keyset (non-display only).........................660.7500
8-Line 
AIM Keyset (display only)........................660.7400
Enhanced Single-Line Set 
(ESLS)........................660.6900Other IMX 256 Charcoal Station Instruments
DSS/BLF Unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .660.5100
IMX 256 Grey Station Instruments -Equipped with Dynamic Microphones
24-Line Standard Keyset................................661.5000
24-Line Display Keyset................................661.5200
24-Line AJM 
Keyset (display only).......................661.6100
12-Line Standard Keyset................................661.5700
12-Line Display Keyset................................661.5600
12-Line AIM Keyset (display only).......................661.6300
8-Line 
Keyset (non4isplay only).........................661.5900
8-Line AIM 
Keyset (display only)........................661.6400
Enhanced Single-Line Set 
(ESLS)........................661.5300IMX 256 
Grey Station Iustruments - Equipped with Electret Microphones
24-Line Standard Keyset................................661.7700
24-Line Display 
Keyset................................661.7600
24-Line ATM 
Keyset (display only).......................661.7000
12-Line Standard 
Keyset................................661.7900
12-Line Display 
Keyset................................661.7800
12-Line AIM Keyset (display only).......................661.7200
8-Line 
Keyset (nondisplay only).........................661.7500
8-Line AIM Keyset (display only)........................661.7400
Enhanced Single-Line Set 
(ESLS)........................661.6900Other 
IMX 256 Grey Station Instruments
DSS/BLF Unit . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .661.5100
GMX-416/832 Station Instruments
Inter-Tel/DVK 24-Line Standard Keyset...................662.3800
Inter-Tel/DVK 24-Line Display Keyset....................662.3400
Inter-Tel/DVK 12-Line Standard Keyset...................662.4000
Inter-TelfDVK 12-Line Display Keyset....................662.3900
Inter-Tel/DVK 8-Line Standard Keyset....................662.3500
Inter-Tel/DVK 8-Line Display Keyset.....................662.3600
Inter-TeVDVK DSS/BLF Unit...........................662.3700
Page 7-2