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

lNTER-TELPRAc~cEsIMX/GMX 256 INSTALLATION & MAINTENANCE
TROUBLE!SHOOTING
Issue 1, November 1994
FIGURE 6-2.SYSTEM TROUBLESHOOTING CHART (CONT’D)
SYMPTOM
DISA inoperativePROBABLE CAUSEUser errorCORRECTIVE ACTIONRefer to l%KWREB, page 4-39, for correct pro-
cedures.
Telephone not compatibleUser must dial in 
from a DTMP telephone.
Programming errorEnsure that the 
trunk group is identified correctly
as a day or night DISA trunk group. Refer to PRO-_ GRAMMING, page 
5-111.
Defective trunk cardReplace the...

TROUBLESHOOTINGIssue 1, November 1994INTER-TELPRACTICESIMX/GMX 256 INSTALLATION & MAINTENANCE
FIGURE 6-2.SYSTEM TROUBLESHOOTING CHART (CONT’D)
,
SYMPTOM
No music-on-hold/back-
ground music (external mu-
sic source connected)
SYMPTOM
XFI/EMI present over con-
rersations
PROBABLE CAUSE
External music source
turned off or inoperative
CORRECTWE ACTION
Check the external music source for proper opera-tion. Optimal input level is 
.775VRMS (OdB). Re-
fer to INSTALLAI’ION, page 3-99.
RCPU Card MOH jumperMove...

INTER-TELPRACTICESIMWGMX 256 INSTALLATION % MAINTENANCETROUBLESHOOTINGIssue 1, November 1994
FIGURE 6-2.SYSTEM TROUBLESHOOTING CHART (CONT’D)
SYMPTOM
PROBABLE CAUSECORRECTWE ACTION
Faulty DID numbers dis-
User error (after dialing theOnly valid DID “start” digits can be properly pro-
played at attendant stationscorrect 3- or 4digit “base”cased by the system.
number, the user entered in-
correct or incomplete “start”
digits)
Rogmnming errorEnsure that all valid DID numbers have been pro-
-gmnmed to ring...

~O~LESEOOTINGSue 1, November 1994INTER-TELPRACTICESIMX/GMX 256 INSTALLATION & MAINTENANCE
FIGURE 6-3.CO TRW TROUBLESHOOTING CHART.-:._;;SYMPTOM
20 trunk inoperative
hroughout the systemPROBABLE CAUSECORRECTIVE ACTIONDefective CO trunk fromAl the associated CO block, remove the bridging
central officeclips for the trunk. On the 
telco side of the block,
use a test set to verify the CO trunk connection.
Also, move the CO trunk to a known good CO
circuit. If the problem follows the trunk, contact
the...

yl&sT&&MmCTICEs!STALIATION & MAINTENANCETROUBLESHOOTINGIssue 1, November 1994
FIGURE 6-3.CO TRUNK TROUBLESHOOTING CHART (CONT’D)SYMPTOM
fiw volume on all CO
runks, cannot break CO dial
onePROBABLE CAUSE
Defective trunk card
Defective CO trunk from
central office
Open or loose connection in
the cable between the power
supply and 
cardfile
Defective power supply
module(s)
Hybrid balance mismatch
NOTE: See also 
keyset problems on page 6-32.SYMPTOM
Zamtot break CO dial tonePROBABLE CAUSECO circuit is...

TROUBLESHOOTINGIssue 1, November 1994lNTzR-TELPRAcTrcEsIMX/GMX 256INSTALLATION & MAINTENANCE
FIGURE 6-3.CO TRUNK TROUBLESHOOTING CHART (CONT’D)
SYMPTOMPROBABLE CAUSECORRECTIVE ACTION
hnot place an outgoingPrognmming errorCheck station class of service (SCOS). See PRO-
gll; CO dial tone is present;GRAMMING, page 5-42. Check that equal access
ntercom worksand absorbed digit programmirq~ for the trunk
group are correct. See PROGRAMMING, page
5-113. If using 
LCR, check LCR programming on
page 5-98 in...

mTER-TELPRAcTIcEsWGMX 256 INSTALLATION & MAINTENANCETROUT3LJBHOOTlNGIssue 1, November 1994
FIGURE 6-3.CO TRUNK TROUBLESHOOTING CHART (CONT’D)SYMPTOM
Outside calls dropped during
conversation or upon an-
swering CO trunkSYMPTOM
CO trunk cannot be reseized
1PROBABLE CAUSECORRECTIVE ACTION
User error (trunk key beingInstruct users not to press the trunk key while on a
pressed after initial 
connec-
tion is made)call. Or, if necessary, set the CO Reseize timer to a
higher value. Default value is 3 seconds....

TROUBLESHOOTINGIssue 1, November 1994INTEX-TELPRACTICESIMWGMX 256 INS~TION & MAINTENANCE
FIGURE 6-3.CO TRUNK TROUBLESHOOTING CHART (CONT’D)SYMPTOM
Noise on CO tank at all sta-
tiOllSSYMPTOM
20 trunk remains seized af-
ier a call has been ended
IPROBABLE CAUSE
Defective CO trunk
Defective trunk card
Defective power supply
module(s)
Defective RCPU CardCORRECTIVE 
ACTtON
At the CO block, remove the bridging clips for the
trunk. On the telco side of the block, use a test set
to verify the CO trunk...

INTER-TELPRACTICESIMx/GMx 256 INSTALLATION & MAINTENANCETROUBLESHOOTINGIssue 1, November 1994
FIGURE 6-3.CO TRUNK TROUBLESHOOTING CHART (CONT’D)
SYUPTOM
Ground start trunks not
hmctioning properly
PROBABLE CAUSE
System not properly
grounded
CORRECTIVE ACTION
Verify that the system AC circuit is isolated and
dedicated (see page 3-3 in 
INSTZLATION) and
check for proper grounding (see page 3-41 in IN-
STALLATION).
LGC jumper straps not set
correctly
Tip and riug are reversed
Programmiug error
6OHz AC power...

TROUBLESHOOTINGIssue 1, November 1994INTER-TELPRACTIcEslMX/GMX 256 INSTALLATION & MAINTENANCE
FIGURE 6-4.FEATURE TROUBLESHOOTING CHARTSYMPTOM
?eature does not work prop
:rlySYMPTOM
Zannot transfer CO or inter-
zom calls to other stationsPROBABLE CAUSECORRECTIVE ACTION
User errorRefer to PRMURES for procedures. Also, ensure
that the feature is available on the software pack-
age installed.
Programming errorCheck feature code programming. Refer to 
PRO-
G-G, page 5-58. Also, check user-pro-
grammable...