Inter-Tel GMX-48 INSTALLATION & MAINTENANCE Manual

INSTALLATION 
Issue 2, May 1990 ‘. 
INTER-TEL PRACTICES 
GMX-48 INSTALLATION & MAINTENANCE 
1. INTRODUCTION 
1.1 This section describes the recommended proce- 
dures for installing the system hardware. Refer to 
SPECIFICATaONS for hardware descriptions. 
2. SYSTEM INSTALLATION OUTLINE 
2.1 System installation is performed in the follow- 
ing order. Detailed instructions and figures for each 
step are located throughout the INSTALLATION 
section. 
(1) 
(2) 
(3) 
(4) 
(5) 
(6) 
(7) 
Plan the installation,...

INTER-TEL PRACTICES 
GMX-48 INSTALLATION & MAINTENANCE INSTALLATION 
Issue 2, May 1990 
3. PRE-INSTALLATION CHECKLIST 
3.1 To make installation easier, use the checklist on 
the following pages when preparing to install the sys- 
tem. (Hardware specifications are included in the 
SPECIFICATIONS section.) 
A. 
- 
- 
- 
- 
ESTABLISH SUITABLE ENVIRONMENTAL 
CONDITIONS FOR THE SYSTEM 
Place the KSU within 5 feet (1.5 meters) of an iso- 
lated, dedicated, 105-125VAC, 57-63Hz, 15A, 
single-phase commercial...

INSTALLATION 
Issue 2, May 1990 ‘. 
INTER-TEL PRACTICES 
GMX-48 INSTALLATION & MAINTENANCE 
ASSEMBLE THE NECESSARY TOOLS AND 
the MDF, the following tools and supplies are also 
SUPPLIES needed. 
Industry-standard, three-pair (six-conductor) 
cable to run from the MDF to keysets, DSS/BLF 
Units, Single-Line Instruments (SLIs), single-line 
DTMF sets, playback devices, etc. (For excep- 
tions, see the NOTE under “Running Cable” on 
page 3-6.) 
For C.O. lines terminated on RJ-type jacks near 
the 
MDF: 
-...

INTER-TEL PRACTICES 
GMX-48 INSTALLATION & MAINTENANCE INSTALLATION 
Issue 2, May 1990 
C. PLAN STATION LOCATIONS AND TYPES 
OF STATION INSTRUMENTS 
- 
Prepare a cable identification plan using station 
circuit numbers; do not use intercom numbers 
(see page 3-6 for details). If any 24-line keysets 
are to have secondary voice paths installed, refer 
to the information on pages 3-14 to 3-16. 
_; 
- 
- 
- 
D. ASSEMBLE THE OPTIONAL EQUIPMENT 
- 
Keysets: The GMX-48 System has the capacity for 
up to 48...

INSTALLATION 
Issue 2, May 1990 
‘. 
INTER-TEL PRACTICES 
GMX-48 INSTALLATION & MAINTENANCE 
4. STATION CABLING AND 
TERMINATIONS 
4.1 Floor plans should be developed to aid in proper 
station cabling in a star (home run) configuration 
from the KSU. The cables are run from the station 
locations to the station blocks at the MDF. Refer to 
page 2-3 for cabling requirements. 
4.2 Both ends of each cable should be labeled with 
the station’s circuit number. The circuit number 
(X.Y) designates the...

)i .j INTER-TEL PRACTICES 
GMX-48 INSTALLATION & MAINTENANCE INSTALLATION 
Issue 2, May 1990 
B. TERMINATING THE CABLES AT STATION 
LOCATIONS 
4.7 Terminate the keyset, DSS/BLF Unit, single- 
line set, and playback device station cables on six- 
conductor modular jack assemblies at the station 
location. (For exceptions to this, refer to the NOTE 
under “Running Cable” on the previous page.) 
4.8 Do not mount the assemblies on the wall at this 
time; they will be wall mounted later when the station...

INSTALLATIQN 
Issue 2, May 1990 
‘. 
INTER-TEL PRACTICES 
GMX-48 INSTALLATION & MAINTENANCE 
C. TERMINATING STATION CABLES AT THE 
(2) Attach up to six 66Ml-50-type terminal blocks 
MAIN DISTRIBUTION FRAME to the plywood backboard. Refer to Figure 3-2 
below for a sample MDF station block layout 
4.9 The main distribution frame (MDF) is the point 
and cable assignments. Station blocks include: 
at which the KSU, station instruments, C.O. lines, 
and miscellaneous equipment are connected to one 
another....

INTER-TEL PRACTICES 
INSTALLATION 
GMX-48 INSTALLATION & MAINTENANCE 
Issue 2, May 1990 
4.11 
Each type of station instrument is connected to 
a specific board or module. Keysets and DSS/BLF 
Units are connected to the KSU Control Board 
(KCB) or to Expansion Modules (EXPs). Single-line 
devices (such as single-line sets, playback devices, 
voice mail units, FAX machines, etc.) are connected 
to Accessory Port Modules (APMs). 
4.12 Connect the station cables to the STN blocks 
on the MDF as follows:...

INSTALLATION INTER-TEL PRACTICES 
Issue 2, May 1990 CMX-48 INSTALLATION & MAINTENANCE 
FIGURE 3-3. STANDARD KCB AND EXP BLOCK TERMINATIONS 
KC6 OR EXP 
+30vcc- 
r, 1.1 1 - - 
GND - 
-- 
o/w PRI MODULAR 
JACK 
KCB 
OR 
EXP 
AMPHENOL- 
TYPE 
CONNECTOR 
- 
ASSEMBLY 
TO KEYSET 
OR DSS/BLF 
UNIT 
MODULAR 
11  jw,opRl 
66Ml do-TYPE 
BLOCK 
(PART OF MDF) 
NOTE: For proper keyset operation, all three pairs (power/ground, primary, and auxiliary) are required. 
Page 3-10  

INTER-TEL PRACTlCES 
GMX-48 INSTALLATION & MAINTENANCE INSTALLATION 
Issue 2, May 1990 
FIGURE 3-4. APM BLOCK TERMINATIONS 
APM APM MODULAR 
11 1.1 n _ _ _n 1.1 7 TIP - W/BL TIP JALK 
LINE DEVICE 
1.2 1.2 
BL/W RING 
w/o 
W/G 
MODULAR 
W/BL TIP JACK 
TO SINGLE- 
LINE DEVICE 
AMPHENOL- 
TYPE 
CONNECTOR 66Ml-50-TYPE 
BLOCK 
(PART OF MDF) 
RESERVED FOR 
FUTURE USE 
Page 3-11