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

							mrER-TELPRAcTIcEsIMX/GMX 256 INSTALLATION & MAINTENANCEINSTAWLATIONIssue 1, November 1994
FIGURE3-24.CONNECTING THE POWER CABLE TO THE TELECOM
MOTHERBOARD
CONNFCTOR
A
AGND
REsV2
DGND
tsv
B
-12COM+12v+3ovtSVAVRlNG
KGND
-5VA-48V
RBSVl
C
+SSENRTN+5 SEN
AGND
BGND
RESVZ
-12COM
+12v+3ov
Dtsv#LAVRING
KGND
-5VA-48V
REsVl
--
--------------
--
--------------
---
lWlRF -LO0
ORANGE (18 GAUGE)
RED (18 GAUGE)
PURPIE (14 GAUGE)ORANGE&ED (18 GAUGE)NOTCURRENTLYUSEDBROWN (14 GAUGE)
GREEN/BLACK (18 GAUGE)
GREEN (18 GAUGE)
BLUE (18 GAUGE)
m/YELLOW (18 GAUGE)
GRAY/BLACK (18 GAUGE)
ORANGE/BROWN (18 GAUGE)
WHITE/BROWN (18 GAUGE)
YELLOW (18 GAUGE)ORANGB/YEUOW (18 GAUGE)NOTCURRENTLYUSED
BLACK (22 GAUGE)
RED (22 GAUGE)
NOT CURREMZYUSEDORANGE (14 GAUGE)NOT CU- USEDNOTCURRENlZYUSELlWHITE (18 GAUGE)V (18 GAUGE)YELLOW (14 GAUGE)
PURPLE, (18 GAUGE)
WHITE/BUCK (18 GAUGE)NOTC-USED
W (18 GAUGE)GRAY (18 GAUGE)ORANGE/GREBN (18 GAUGE)NOTC-USED
ORANGE (22 GAUGE)NOTC-USED
NOT CURREMZY USED
Page 3-37 
						

							IN-TIONINTER-TELPRACTICESIssue 1. November 1994lMX/GMX 256 INSTALLAT’ION & MAINTENANCE
FIGURE 3-XCABLE CONNECI’IONS TO THE POWER SUPPLY CHASSIS---x.\
,j
BACK SIDE OF POWER SUPPLY CHASSIS
NOT CURRENTLY USEDTO TELECOM
MOTHERBOARD
(Via the Telecom Mother-
board Power Cable)
Page 3-38 
						

							INTER-TELPRACTICESIMX/GMX 256 INSTALLATION & MAINTENANCEINSTALLATION
Issue 1, November 1994c.INSTALL THE POWER 
!xJPPLYMODULES
CAUTION
HIGH 
VOLTAGE. When the system power is
turned on, each module contains both 35OVDC and
11OVAC. Before inserting or removing the power
supply modules, make sure that the AC POWER
switch has been 
turned OFF for at least jive min-
ures. Failure to allow the high voltage to dissipate
can cause bodily injury.63
Install the power supply modules as follows:
NOTE: Refer to page 2-S in 
SPEClFICATIONS for in-
formation concerning chassis and module 
compatibili-
(1)
(2)
(3)
Ensure that the system AC power cable is not
plugged in and the AC POWER switch on the
front of the power supply is OFF.
At the 
front of the cabinet, remove the screws to
the front cover of the power supply chassis, and
set the cover aside.
NOTE For easier power supply module remov-al, each version C power supply chassis is
shipped with an extractor tool attached to the in-
side of the front cover. The extractor tool may be
used with version B and C modules only.With the components facing 
tig&, insert the
power supply modules in the appropriate slots.
(Refer to Figure 3-26 on the next page for slot lo-
cations.) Note the following requirements:
IICAUTIONI
When inserting the power supply modules, be sure
that each module is fully seated in the appropriate
slot. If a module is not securely seated when power
is turned on, the power supply and circuit cards
may be damaged.All systems must be equipped with a Quad
Module and a Master 30V Module.
Dependingonthenumberandtypeofkeysets
to be installed, one or two Slave 30V Mod-
ules may also be needed (see page 
2-8 for de-
[email protected]: If it is determined that two Slave
30V Modules are needed, a version C power
supply chassis and version C power supply
modules must be used.
If any 
AC-ringing single-line devices are to
be used, a Ring Generator Module must beinstalled.
If any Single-Line Cards 
(SLCs), Inward
Dialing Cards 
(ID&), Loop/Ground Start
Cards 
(LGCs), or E&M Cards (EMCs) are
used, a -4SV Module must be installed.
NOTI2 Loop Start Cards (LSCs) and Tl
Cards (TlCs) do not require a -48V Module.
(4)Slide the front cover of the power supply chassis
into place and replace the screws.
Always,replace the front cover before turnmg on
(5)Ground the system according to the instructions
on page 3-41.
NOTE: DO NOT plug in the system AC powercable until the power supply electrical test, as
outlined on page 3-42, has been performed.
Page 3-39 
						

							INSTALLATIONIssue 1, November 1994INTER-TELPRACTICESIMX/GMX 256 INSTALLATION & MAINTENANCE
FIGURE 3-26.POWER SUPPLY MODULE INSTALLATION: .-“,/
FRONT SIDE OF POWER SUPPLY CHASSIS (COVER REMOVED)
9OVAC RING
GENERATOR
MODULE
(If Needed)
SLAVE 30V
MODULE
(If Needed)
MASTER 30V
MODULE-48V MODULEQUAD MODULE*
(If Needed)
l QuadModulesupplies+5V,-5V,+12V,and-l2V
NOTE: With newer-version power supply chassis, there is more flexibility as to which type of power supply
module can be installed in which slot (e.g., some slots can be equipped with either a 30V Module or a 
-48V
Module). To ensure prope.r installation, refer to the slot labels provided on the chassis.
-\
, 
“’
Page 3-40 
						

							INTER-TELPRACTICESIMX/GMX 256 INSTACLATON & MAINTENANCEINSTALLATIONIssue 1, November 1994Grounding 
Requirpments
6.4The equipment cabinet must be properly grounded
to an earth ground point. A copper, cold water pipe is
usually a good ground point.
NOTE: According to UL 1459, “an insulated grounding
conductor that is not smaller in 
size and equivalent in in-
sulation material and thickness to the grounded and un-
grounded branch-circuit supply conductors, except that
it is green with or without one or more yellow stripes, isto be installed as part of the circuit that supplies the
product or system.” Also, “the attachment-plug recep-
tacles in the vicinity of the product or system are all to be
of a grounding type, and the grounding conductors serv-
ing these receptacles are to be connected to earth ground
at the service equipment.”
6.5The grounding wire should be 
1OAWG or larger
and should not exceed 25 feet (7.5 meters) to help pro-
vide 
RFI/EMl protection, or should not exceed 10 feet
(3 meters) to help provide both 
RFI/EMl and lightning
protection.
6.6To ground the system (see Figure 3-27 below):
(1)Ensure that the system AC power cable is not
plugged into the AC outlet.
(2)Mount a grounding 
term@al on the MDF back-
board and connect it‘to:a. Au earth ground.
b.The ground lug on the back side of the
power supply chassis.
c. Battery compartments, if used.
d.Trunk gas discharge tubes, if used.
6.7If AC power-related problems appear on the sys-
tem while in operation, one of the following’three meth-
ods can be used to test the ground.l
Use a digital multimeter to measure the difference ofpotential between the equipment cabinet ground
point and the power neutral, and between the equip-
ment cabinet ground point and the third wire ground.
Ifthe voltage measurement exceeds OSV, noise may
develop on the system. If this occurs, call an electri-
cian.l
Use a Megger to test the ground point. (A Megger
should be available through the local power 
compa-
ny.) The reading should be 5 ohms or less.
0Unplug the AC power cord from the outlet and insert
a ground isolation plug into the outlet. Plug the ACpower cord into the ground isolation plug. If the
problem ceases, call an electrician. When finished,
remove the ground isolation plug to restore ground
protection.
FIGURE 3-27.EQUIPMENT CABINET GROUNDING
POWER SUPPLY CHASSIS
GROUNDING TERMINAL
II
#lO GROUND WIRE
----
EARTH GROUND
Page 3-41 
						

							INSTALLATION
Issue 1, November 1994INTER-TELPRACTICESIMX/GMX 256 INSTALLATON & MAINTENANCE
Power Supply 
Electrical Test
6.8 Perform the following electrical check on the
power supply.
(1)
(2)
(3)
(4)
0
Ensure that the system AC Power cable is notplugged in and the AC POWER switch on the
front of the power supply is OFP.
Check the condition of the fuse located on the
front of the power supply chassis. It should be a
2!5OVAC, 10/l%, time-delay Buss SC- lo/15
(or equivalent).
Plug the surge/spike protector provided with thesystem into a 
10512SVAC, 57-63& lSA,
single-phase commercial power source.NOTE: This MUST be an isolated, dedicated
circuit. Do NOT use an extension cord when in-
stalling the power supply. Also, 
Do NOT plug
any other equipment into 
the same AC outlet.
Plug the system AC Power cable into the surge/spike protector and turn ON the AC POWER
switch.
Referring to Figure 3-23 on page 3-36, measure
the following system voltages on the back of theTelecom Motherboard. A digital voltmeter of
&OS% accuracy is required. Use ground as a
reference. The measurements should be within
the limits listed in the following chart. 
(Ifneces-
my, remove each power cable connector one at
a time and measure the voltage inside the con-
nector.)
YOl mGE
-5VDC+WDCgzE-12vDc
flf==+12vDc+3OVDCgzz
itlz&ov*c)$zEFWR ALARhf (+4.!wDc)
CFcP (+-VW$zz
CFcFJ (-0svDc)a==
NOTE: The CPCP measurement should be .7V
(fo.2OV) higher than the actual +5V measure-ment. The CPCN measurement should be 
.7V
(fo.2OV) lower than the actual ground mea-
surement.If the voltages are within the specified 
limiq
skip to step 8.
If voltage measurements are not within the speci-
fied limits, remove the Power cable(s) from the
power supply and check the voltages 
directly at
the individual connectors on the back of the pow-
er supply chassis. Refer to Figure 3-28 on page
3-43.
If the voltages at the 
i&idual connectors are
within the 
specz@d limits, replace the defective
cable(s).
If voltage me.aswements at the indiv~l con-
nectors are not within the specified 
limits, re-place the defective power supply module(s)
and/or the Power supply chassis.
Turn OFF the AC POWER switch.
.- .:.:j
I
.~ \.:j.!. 7’
Page 3-42 
						

							lNTER-TELPRACTIcEsIMX/GlWX 256 INSTALLA~ON & MAINTENANCE
INfTIALLATIONIssue 1, November 1994
FIGURE 3-28.POWER SUPPLY CONNECTOR PINOUTS AND VOLTAGE
TEST POINT LOCATIONS
BACK SIDE OF POWER SUPPLY CHASSIS
NOT USED
VFIINGBGND
BGND
-48V
-48V
TELCONNECTORS TO.ECOM MOTHERBOARD
NOTUSED +5V
(
ia the Telecom Mother-
board Power Cable)
COM
+sV SENSE
+sV SEN KIN
+5VANLGDGND
DGND+SV
CPCP
+12v
+12v
PVVRALM
-5vANLGAGND
NOT USED
Page 3-43 
						

							INSTALLATIONIssue 1, November 1994INTER-TELPRACTICESIMX/GMX 256 INS’HLLATION & MAINTENANCE
D.INSTALL THE CIRCUlTCARDS
6.9With the exception of the RCPU Card (which is in-
stalled in the last slot-slot 
17), the circuit cards can be
installed in any card slot. However, to facilitate installa-
tion and 
programming, it is recommended that the cards
be installed to match the default configuration as closely
as possible. (Refer to page 2-13 iu SPECIFICATIONS
for information on the default configuration.)
CAUTION
The cards and components are static sensitive.
Handle the cards by the edges only and keep themin their protective bags until they are to be in-
stalled. Do not bend or touch the pins of the com-
ponents or subject them to a static charge. When
working with the cards, use a properly terminated
anti-static wrist strap and cover the work surface
with the bag that protected the card during ship
ping. Any static charge (no matter how small the
charge) must be discharged from the body before
touching the cards or components. The 
warranty
for this equipment does not cover 
damage causedby static or 
mishundiing. Cards or components
damaged in such a manner will not be replacedROM Central Processing 
Unit(RCPU) Card
6.10Before installing the RCPU Card, install the PAL
(US) and the five ROMs (US%U89) that contain the
software.
(1)Check the part numbers on the labels of the soft-ware components. They must all be the same
number and should match the number of the soft-
ware package the customer purchased. (Refer toREPLACEMENT PARTS for part numbers.)
The five available software packages are:a. MF-rated, Basic
b. MF-rated, 
Extended
c.Ml&rated, Extendedplus Tl and E&h4
d.RF-rated, Extendedplus Tl and E&U
e.MF-rated, Exzenddplus Tl, E&M, and GX
(m4x systelns only)
(2)
Check the socket numbers printed on the labels.There should be one of each of the following:
U6, U85, U86, U87, U88, and U89.
(3)Place the RCPU Card on a clean, flat, anti-static
surface.
(4)Carefully install the software components in the
corresponding sockets on the RCPU Card. (SeeFigure 3-29 
on page 3-46.) The notch (or small
dot in the comer indicating pin 1) on each com-
ponent must match the notch of the outline silk-
screened on the card
-pinlonthechiptopinl
on the socket.(5) 
EusurethatthePAL,insocketU49islabeledwith
part number 827.1013 and the PAL in socket U90
is labeled with part number 827.1012.
(6)Check that all components are seated securely in
their sockets and that no pins are bent.
6.llIf desired, up to four additional DI’MF decoding
circuits (besides the four that already exist) can be added
to the RCPU Card. Refer to 
SPEClFICATIONS, page
2-11, for more information on MMF decoding circuits.To install the DTMF Expansion Chips, follow the in-
structions included with the kit (refer to REPLACE-
MENT PARTS for part numbers).
6.12Install the RCPU Card in the equipment cabinet
as follows. Refer to Figure 3-29 on page 3-46 for an il-
lustration of the card.
(1)Ensure that all integrated circuits and compo-
nents on the card are seated securely in their
sockets and that no pins are bent.
(2)If connecting one or two Qternal music soumqplace the associated music-on-hold 
(MOH)
jumper strap(s) (Port 1 or Port 2) on the RCPU
Card in the ON position (over the top two pins) to
enable music, or place the jumper strap(s) in the
OFF position (bottom two pins) to disable music.
If enabled, outside callers will hear music when
placed on hold. If disabled, outside callers will
not hear music when placed on hold.NOTE: By entering a feature code, individual
keysct users can choose to listen to background
music 
from either music source. For the Music-
On-Hold feature, either music source can be as-
signed on a trunk groupby-trunk group basis.
(3)Place the battery back-up 
(BATTERY) jumper
strap in the ON position (over the top two pins) to
enable database battery back-up. If the jumper
strap is placed in the OFF position (lower two
pins), the BATTERY OFF LED lights when the
card is installed and AC power is on.
NOTE: The BAL’TERY OFF LED will not light
if the jumper strap is missing.
(4)Ensure that the a-law/mu-law jumper strap is in
the MU position (over the right set of pins). See
page 2-11 for more information.Page 3-44 
						

							INTJmTELPRACTICESIMX/GMX 256 INSTALLATION & MAINTENANCEINSTALLATIONIssue 1, November 1994
(5) Makesurethepowersuppl~‘sACPO~Rswitch
is turned OFF. Installin& the RCPU Cani with
the power on may 
damage the pmcesso~
(6)Install the RCPU Card with the componentsfac-
ing right in the last (17th) card slot in the equip
ment cabinet.(7) 
TurnONtheACPOWERswitchandobservethe
LEDs on the front edge of the card for the folloti-
ing indications. If they are incomct, check thesystem voltages as outlined in step 8 and then
contact Customer Support. (Refer to Figure 3-29
on page 346 for LED indicator locations.)
ICATION
CPUACTI’IVELit (Green)FowEaALARMOE- owMATOR ALARMOF VWDALBASEERROROF @=9MINOR ALARMOfP (Yellow)
EXXCLOCKACXVEoff (Green)BAKrmRY OFFOff@4
*When a new system is installed, the DAIXBASE
ERROR LED remains lit until the system data-base has been initialized or programmed. The
MINOR ALARM LED may also be lit and can
later be cleared 
from an attendant station using
the Clear System Alarm feature code (default is
019).
(8)Measure the following system voltages on the
RCPU Card. 
Adigital voltmeter of &OS% accu-
racy is required. Insert the “common” voltmeter
probe into the ground point 
(TPlO) and insert the
other probe into the desired voltage test point.
(Refer to Figure 3-29 on page 3-46 for system
voltage test point locations.)
JEST POINTS
TP1toTP10TPztoTP10Tp3toTPlOTP4tolTlO
TPStoTPlOTP6toTplOTP7toTPlO-5 
&2o%vDc+s &20%vDc+12 &2o%VDC-12 s?o?mDC+30 &2o%vDc-48 5xl%vDc9 &2Q%VAC
(9)
(10)
(11)
(12)NOTE: The AC ring voltage 
(VFUNG) mea-
sured on the RCPU Card is HI-J the actual power
supply ring voltage of 
9OVAC.
If the voltages are within tolerance, proceed to
step 10. 
If the voltages are out of tolerance:
a.
b.
C.
d.
Turn OFF the AC POWER switch.Take out the RCPU Card and check for
shorted components.
Re-insert the card, turn ON the AC POWER
switch, and check the voltages again.If still out of tolerance, turn OFF the AC
POWER switch and replace the defective
RCPU Card.
While pressing the battery check button on the
RCPU Card, measure the database back-up bat-tery voltage. The voltage test points 
(TP8 to
TP9) are located on the front edge of the card. In-sert the 
~common” voltmeter probe into the
ground point 
(lP9) and insert the other probe
into the voltage test point (TP8). Ifthe voltage isnot greater than 
2SVDC, replace the battery.
(Refer to Figure 3-29 on the next page for back-
up battery voltage test point locations.)
NOTE: This procedure may be performed with
the AC power on or off.
Turn OFF the AC POWER switch.
After installing the RCPU Card, optional music
sources, power failure transfer equipment, sig-naling devices, etc. may be connected to the
RCPU Card terminal block at any time. Refer to
page 3-99 for external music source installation
illStIUCtiOltS.
Page 3-45 
						

							lNSTALJATIONIssue 1, November 1994lNTER-~PRAcTIcEslMX/GMX 256 INSTALLATION & MAINTENANCE
FIGURE 3-29.
RCPU CARD\.
:I-2’
LED INDICATORSSYSTEM 
VOLTAGE -TEST POINTS
LITHIUM 
BAlTERY -MUSIC-ON-HOLD .
(MOH) STRAPS
BATTERY CHECK
AMPHENOL-TYPE 
-
CONNECTOR
DB9 CONNECTORS