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

INTER-TELPRACTICESTROUJ3LESHOOTINGIMx/GMx 256 INSTl4LLATION & MAINTENANCEIssue 1, November 1994
FIGURE 6-l.LIGHT-EMITTING DIODE (LED) INDICATIONS (CONT’D)
LOCATlON
Tl Card (con-
tinued)
LEDIndividual 
Cir-
cuits (l-10)
DESCRIPTION
When the Red Alarm LED is flashing (see next page), one or
more of the first ten Individual Circuit 
LEDs will also flash
to indicate the following error condition(s):
NOTE: Error conditions (1) and (2) below occur only when
the 
T1_ Card is not equipped with the optional...

‘l’ROUBLJBHOOTING
Issue 1, November 1994INTER-TELPRACTICES
IMX/GMX 256 lNSTALLATION 8z MAINTENANCE
FIGURE 6-l.LIGHT-EMITTING DIODE (LED) INDICATIONS (CONT’D)Y
)
LOCATION
Tl Card (con-
thld)
LED
Red Alarm
DESCRIPTION
Flashes when the Tl Card has detected some type of red alarm
error condition for at least two to three seconds (e.g., loss of
the 
Tl signal), either internally or from outside the system.
All calls on the card are dropped, all attendant stations display
SYSTEM ALARM #29, and one or more of...

pT#I&Lg~~CTICESSTALLATION 8z MAINTENANCETROUBLESHOOTINGIssue 1, November 1994
FIGURE 6-l.LIGHT-EMITTING DIODE (LED) INDICATIONS (CONT’D)
LOCATION
Tl Card (con-
tinued)
LED
Secondary Pro-
cxssor Active
DESCRIPTION
Lit green to show that the secondary processoronthecardis
active and that the entire card is now on-line. If unlit after the
card has been powered up over 30 
seconds, check for improp
er connection; if still unlit, 
return the card for repair.NOTE: After the Primary
Processor Active LED is lit...

TROUBLESHOOTJNGIssue 1, November 1994INTER-TELPRACTICES
IMX/GMX 256 INSTALLATION & MAINTENANCE
4.ALARM MESSAGES AND FIELD
SERVICE DIAGNOSTICS
4.1Alarm messages can be programmed to appear on
keyset displays, in the SMDR printout, or as a separate
error printout. When listed in a printout, alarm messages
are preceded by +++ and the time of day when the alarm
occurred.
4.2Minor alarm messages can be programmed to ap
pear on all attendant stations’ displays or on the primary
attendant’s display only. Refer...

INTER-TELPRACTTCESIMX/GMX 256 INSTAUATION & MAINTENANCETROUBLESHOOTINGIssue 1, November 1994
secutive times. The incoming 
DISAtrunk is dis-connected and will not answer again for five
minutes.
(13)
#34 Toll Security Limit At 80%: The weekly
limit for one or both types of monitored calls is
80% depleted. The programmer can set the limit
to a higher value or reset it to zero. (When thisalarm is displayed, any further alarms will not
overwrite the display.)C. MAJOR ALARM
STHATREQUIRE
lMMEDIATEATTENTION...

TROUBLESHOOTINGIssue 1, November 1994INTER-TELPRACTICESlMX/GMX 256 INS~TION & MAINTENANCE
D.
JTELD SERVICE DIAGNOSTICS
4.5Field service diagnostics can be programmed to
appear in the SMDR printout or as a separate 
errorprint-
out. When listed in a printout, field service diagnostics
are preceded by ***
and the time of day when the error
messageoccurred. Possible field service diagnostics
and the associated troubleshooting procedures are as
follows:
0)
c-9
(3)
(4
HDLC Errors: ?? Xx: This indicates a...

JNrER-TELPRACTKES~GMX256INS’HLLATION % MAINTENANCETROUBLESHOOTINGIssue 1, November 1994
intermittently, no action is necessary. How-ever, if the error occurs repeatedly for a
DKSCLKSC circuit or a group of DEQKSC
circuits, check all station cabling and wiring.
If the problem persists, replace the station in-
strument and/or the 
Keyset Card and return
for repair.i.
Peripheral Output Queue Overflow: This in-dicates that the station 
user is pushing the
keys on the station instrument at an unrea-
sonably...

TROUBLESHOOTINGIssue 1. November 1994INTER-TELPRACTICESIMX/GMX 256 INSTALLATION & MAINTENANCE
5. TROUBLESHOOTING CHARTS
NOTE: For additional troubleshooting procedures andimportant diagnostic information, refer to the new
2.56/832 Troub~hooting~Diagrwstics Manual, which
will be published at a later date. Iu the interim, certified
technicians may contact Technical Service for any nec-
essary troubleshooting assistance.
5.1The simplified troubleshooting charts located on
the following pages list symptoms,...

INTER-TELPRACTIcESlMX/GMX 256 INSTALLATION & MAINTENANCE
TROUBLESHOOTINGIssue 1, November 1994
D. 
KEYSETS5.5 If problems involve 
keysets or their optional
equipment, refer to Figure 6-5 on pages 6-30 through6-35.
Keyset is inoperative.
A group of eight 
keysets is inoperative.
LCD is inoperative.
Headset is inoperative.
Keyset squeals when placing and/or receiving calls.
Cannot break CO dial tone.
Data device not operating properly.
Data noise when the 
keyset is off hook.
Camtot obtain intercom dial...

TROUBLESHOOTING
Issue 1, November 1994INTER-TELPRACTICES
lMX/GMX 256 INSTALLATION & MAINTENANCE
FIGURE 6-2.SYSTEM TROUBLESHOOTING CHART~--S
3
1Xepeated occurrence of all
(xills in progress droppingSYMPTOM
IPROBABLE CAUSE
I
AC line is not isolated and
dedicated
Defective power supply
module(s)
Equipment cabinet located 
-
near a strong magnetic field
or other potential source of
interference (copy machines,
power transformer, etc.)
IC-CWCO-CG Disconnect
timer(s) need(s) adjustment
Inter-Ring Silence timer...