Inter-Tel Glx Plus Issue 2 Installation And Field Maintenance Manual

I SYMPTOM PROBABLE CAUSE CORRECTIVE ACTION 
Speakerphone not operating User error Refer to page 4-6 and 4-18. 
properly 
Automatic speakerphone is Speakerphone will not activate automatically 
disabled when keyset option 4 is enabled. Refer to page 
5-13. 
SYMPTOM 
Data noise heard through 
speakerphone or handset Headset is enabled When a headset is enabled, the speakerphone will 
not operate. When disconnecting a headset, enter 
the headset feature code to return the keyset to 
normal operation....

TROUBLESHOOTING 
Issue 2. June 1993 INTER-TEL PRACTICES 
GLX-PLUS INSTALLATION & MAINT!?NANCE 
FIGURE 6-4. KEYSET TROUBLESHOOTING CHART (CONT’D) 
SYMPTOM 
Keyset has no power 
PROBABLE CAUSE CORRECTIVE ACTION 
Defective station fuse on Check the three fuses. Replace defective fuse (lA, 
Main Control PCB 25OV, fast-acting). Each fuse affects up to four 
keysets. Fl protects keysets 10-13, F2 protects 
14-17, and F3 protects 18-21. 
Defective keyset Test the circuit with a known good keyset. If the 
known...

INTER-TEL PRACTICES 
GLX-PLUS INSTALLATION & MAINTENANCE TROUBLESHOOTING 
Issue 2, June I.993 
FIGURE 6-4. KEYSET TROUBLESHOOTING CHART (CONT’D) 
SYMPTOM 
LRA device connected to 
reyset not operating proper- 
PROBABLE CAUSE 
Problem with LRA device 
Data Port Module not in- 
stalled properly or defective 
LRA feature disabled 
1 Defective keyset 
I 
Defective Expansion PCB or 
APM 
Defective Main Control 
PCB 
CORRECTIVE ACTION 
Disconnect LRA device and check operation 
according to the manufacturer’s...

TROUBLESHOOTING 
Issue 2, June 1993 INTER-TEL PRACTICES 
GLX-PLUS INSTALLATION 8z MAINTENANCE 
FIGURE 6-5. SINGLE-LINE SET TROUBLESHOOTING CHART 
., 
I SYMPTOM 
Single-line set is completely 
inoperative 
PROBABLE CAUSE 
I CORRECTIVE ACTION 
I 
Defective set Test the circuit with a known good SL set. If the 
known good SL set powers up, replace the defec- 
tive SL set. 
Defective cabling Check amphenol connector and station cabling. 
Refer to pages 3-6 to 3-10. 
APM not properly installed Ensure APM is...

INTER-TEL PRACTICES 
GLX-PLUS INSTALLATION & MAINTENANCE TROUBLESHOOTING 
Issue 2, June 1993 
FIGURE 6-5. SINGLE-LINE SET TROUBLESHOOTING CHART (CONT’D) 
SYMPTOM 
DTMF digits dialed at 
single-line set cannot be de- 
tected by telco and/or other 
stations 
1 
i 
PROBABLE CAUSE 
I CORRECTIVE ACTION 
Single-line device producing The audio path (transmit and receive) of the 
distorted DTMP signals 
associated APM port can be attenuated by 3 dB. 
See page S-15. 
Defective set 
Defective APM 
Defective Main...

THOUBLESHOOTING 
Issue 2, June 1993 INTER-TEL PRACTICES 
GLX-PLUS INSTALIATION 61 MAINTENANCE 
FIGURE 6-6. SYSTEM TROUBLESHOOTING CHART 
SYMPTOM 
911 stations in the system are 
Inoperative. No LEDs light 
when a CO line key is 
3ressed. 
PROBABLE CAUSE 
KSU AC power cord is not 
plugged in. 
Dedicated breaker has 
tripped. 
AC fuse is open 
Station fuse(s) are open 
Defective Main Control 
PCB 
Defective power supply 
CORRECTIVE ACTION 
Plug cord into isolated, dedicated, AC outlet. 
Reset breaker....

I SYMPTOM I ~~~ PROBABLE CAUSE CORRECTIVE ACTION 
Music-on-hold not present Music-on-hold channels are The system has two music-on-hold channels. If 
when outside call is placed in use 
on hold two outside calls are placed on hold, a third caller 
will not hear music if placed on hold. 
. 
Music source is not working 
Check the music source. Also check its input level 
at connector J6 on the Main Control PCB by plac- 
ing a meter across pins 1 and 2. The optimum in- 
put level is l.OVRMS. 
SVMPTOM...

TROUBLESHOOTING 
Issue 2, June 1993 INTER-TEL PRACTICES 
GLX-PLUS INSTALLATION & MAINTENANCE 
FIGURE 6-6. SYSTEM TROUBLESHOOTING CHART (CONT’D) 
I SYMPTOM 
I PROBABLE CAUSE 
Radio frequency interfer- 
ence (RFI) or electromag- 
netic interference (BMI) 
present over conversations AC power source or ground- 
ing incorrect 
Grounding point is source of 
RFVEMI 
AC power source is causing 
RFI/BMI 
-CORRECTIVE ACTION 
Verify that the AC circuit is isolated and dedicated 
ye E :-Tiand check for proper...

INTER-TEL PRACTICES 
GLX-PLUS INSTALIATION & XHAINTENANCE TROUBLESHOOTING Issue 2, June 1993 
4. CUSTOMER SUPPORT 
A. TECHNICAL SUPPORT 
4.1 If problems persist when installing or servicing In- 
ter-Tel equipment: While on sire and 
with the proper 
troubleshooting tools available, contact 
Inter-Tel’s 
Customer Support Department for assistance. They can 
be reached from 7:00 A.M. to 500 
P.M. Mountain Stan- 
dard Time at 602-961-9000 or l-800-669-5858. 
B. EMERGENCY ASSISTANCE 
4.2 After office hours...

INTER-TEL PRACTICES REPLACEMENT PARTS 
GLX-PLUS INSTALLATION & MAINTENANCE Issue 2, June F993 
REPLACEMENT PARTS 
CONTENTS PAGE 
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-l 
2. Ordering Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-l 
3. Replacement Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..h.....