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

INTER-TELPRACTICESWGMX 256 INS~TION & -ANCEREPLACEMENTPARTSIssue 1. November 1994
FIGURE 7-l.
REPLACEMENT PARTS (CONT’D)
IPTlOJ$PART WdE!EBEquipment Cabinet and Power Supply Parts
Equipment Cabinet....................................440.1201
Telecom Motherboard..................................
440.1002
Telecom Motherboard Power Cable.......................
813.1147
Power Supply Chassis (for Version A & B modules only)......440.0110
Quad Module 
- Version A..............................440.0102+3OV...

REPLACEMENTPARTSlNTER-TEL4PRAcTIcEsIssue 1, November 1994MX/GMX 256 INSTAUATION & MAINTENANCE
FIGURE 7-l.REPLACEMENT PARTS (CONT’D)_,. -~‘\
,i
DESCRlPTt~NPART NUkEiERMiscellaneous Equipment
On-Board CSU (for Tl Cards)...........................440.3004Digital Signal 
Processor (DSP) Chip......................834.2328
Digital 
Keyset PC Data Port Module (PCDPM)..............550.3014
Digital 
Keyset Modem Data Port Module (MDPM)..........550.3015
PCDPM-To-Keyset Interface Cable..........................

INTER-TKLPRACTICESWGMX 256 INSTALLATION & MAINTENANCEREPLACEMEWI’PARTSIssue 1, November 1994
FIGURE 7-2.
RECOMMENDED SPARE PARTS
RCPU Card..........................................2........440.4013Digital Keyset Card
....................................
2........440.2002Keyset Card..........................................l-2*.....440.2000Keyset Card-D........................................l-2*.....440.2001Single-Line Card......................................
2........440.2100
Inward Dialing...

‘,..:j; I’,!‘.‘..,-_ _..” 

INTER-TELPRACTICESAPPENDIXA-GXSTATIONINSTRUMENTSlMX/GMX 256 INSTALLATION & MAJNTENANCEIssue 1, November 1994
APPENDIX A- GX STATION INSTRUMENTS
CONTENTSPAGE1. Overview
............................................................A-l
2. Specifications.........................................................A-l
. 
Keysets..........................................................A-l
B.Direct Station Selection/Busy Lamp Field (DSS/BLF) Units..............A-2
C. Single-Line Instruments...

APPENDIX A- GX STATION INSTRUMENTSINTER-TELPBACTICBSIssue 1, November 1994IMX/GMX 256 INSTALLA~ON & MAINTENANCE
NOTE: Do not connect an external signaling device
directly to the keyset without using an LRA.
Optional Speakerphone Module or External I&k
Speaker
2.5GX keysets have a built-in speaker and micro-
phone that allow the user to answer intercom calls
“handsfree,” dial while on hook, monitor calls, and lis-
ten to background music. For 
handsfree conversation on
outside calls, GX 
keysets can be...

INTER-TELPRACTICESAPPENDIX A- GX STATION INSTRUMENI’SIMX/GMX 256 INSTALLATION & MAINTENANCEIssue 1, November 1994FIGURE A-l.
GX 24-LINE KEYSET
HEARING AID-COMPATIBLEOPTIONAL
(HAC) HANDSET4 CALL KEYS32-CHARACTER LCD
INTERNAL
SPEAKER
10 SPEED-DIAL
KEYS
\/RING AND VOICE
VOLUME
CONTROLS
(underneath edge)
8 STATION PRO-
GRAMMABLE
KEYS (5-12)
/
12 UNDEFINED/18 FEATURE12-KEY PUSHBUTTON
KEYS (13-24)KEYSKEYPAD
HANDSFREE
MICROPHONE
(underneath edge)
NOTE: The keys are shown as they appear in the default key map...

M’I’ENDIX A- GX STATION INSTRUMENTSINTER-TELPRACTICESIssue 1, November 1994IMX/GMX 256 INS~TION & MAJNTENANCE3. 
INSTALLA~ON
3.1The installation instructions in this appendix con-
tain information that differs 
from or is not covered in the
rest of the manual. For complete installation informa-
tion, use this appendix in conjunction with the 
INSTAL-
LAYTON section of the manual.32 When performing the loop resistance test (see
page 3-29), use the following loop limit values for GX
station instruments:
GX...

INTER-TELPRACTICESIMX/GMX 256 INS~TION & MAlNlXNANCEAPPENDJXA-GX STATIONlNSTRUMEWi’S
Issue 1. November 1994
FIGURE A-2.GX KEYSET BOTTOMRING 
PllCH
- SELECTION
DIP 
SWllCHES
_ SPEAKERPHONE
ENABLE STRAP
MICROPHONE
-GAIN
ADJUSTMENT
THUMBWHEEL
--
pvv vWV v v
0.0.@I
0.00.2
____--
NOTE: There are two possible types of strap arrangements. Depending on the pin configuration of the keyset,
use one of the strap settings 
shown above.
Page A-5 

APPENDIX A- GX STATION INSTRUMENTSINTER-TELPRACTICES
Issue 1, November 1994IMX/GMX 256 INSTALLATION & MAINTENANCE
Liquid Crystal Display (LCD) Installation
3.6To convert a standard GX keyset to a display key-
set, install an LCD Kit (Part no. 828.1052) as follows:
(1)
(2)
(3)
(4)
(5)
(6)
Q
03)
(9)Unpack the LCD Kit. There should be a clear
plastic display window, an LCD unit, a ribbon
cable, and two small Phillips-head screws.
Remove the 
keyset baseplate by pressing on the
top edge of the baseplate to...