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)...

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...

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.,...

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...

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...

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.)...

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...

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