Inter-Tel GMX-48 INSTALLATION & MAINTENANCE Manual

INTER-TEL PRACTICES 
GMX-48 INSTALLATION & MAINTENANCE SPECIFICATIONS 
Issue 2, May 1990 
indicate that the buffer on the attached device is full, 
the KCB will not send data. 
5.7 The APM 52 port will send a logic true ( > + 5V) 
on pin 6 (Clear to Send) while it is ready to receive 
data. If the buffer on the APM becomes full, a logic 
false (< -5V) will be sent. In addition, the APM will 
monitor pin 1 (Request to Send). The APM will only 
send data if it receives a logic true ( > + 5V) over pin 
1....

SPECIFICATIONS 
Issue 2, May 1990 ‘.. 
INTER-TEL PRACTICES 
GMX-48 INSTALLATION & MAINTENANCE 
5.19 
Batteries must be fully charged when installed. 
Charge each individually using a constant-voltage, 
current-limited charger with less than three percent 
ripple. The charge voltage per cell must be set accord- 
ing to the manufacturer’s specifications. Be careful 
not to damage the batteries by overcharging them. 
For example, new Globe brand batteries require 25 
days of float voltage or 25-30 discharge...

INTER-TEL PRACTICES 
GMX-48 INSTALLATION 8z MAINTENANCE SPECIFICATIONS 
Issue 2, May 1990 
e 
l 
Incoming FAX calls can ring in directly to a FAX 
machine or a group of machines, and/or they can 
be answered by an attendant (human or auto- 
mated) and transferred to the FAX machine. This 
allows FAX calls to come in on any line; there is no 
need for a dedicated line. 
Multiple FAX machines can be placed in a hunt 
group or in a “call forward no-answer” chain. In- 
coming FAX calls can then be sent to a...

SPECIFICATIONS 
Issue 2, May 1990 ‘. 
INTER-TEL PRACTICES 
GMX-48 INSTALLATION & MAINTENANCE 
FIGURE 2-l. EXAMPLES OF EQUIPMENT THAT CAN INTERFACE 
WITH THE GMX-48 SYSTEM 
SINGLE-LINE 
SET 
VOICE MAIL 
P 
FAX - 
MACHINE (WITH DATA PORT 
SMDR/SAR 
PLAYBACK 
DEVICE ,, PROGRAMMING 
TERMINAL 
INTENANCE 
MODEM 
CREDIT CARD - 
READER 
;;$G ~kiK 
Page 2-20  

‘. INTER-TEL PRACTICES 
GMX-48 INSTALLATION & MAINTENANCE SPECIFICATIONS 
Issue 2, May 1990 
FIGURE 2-2. 
KEY SERVICE UNIT (KSU) 
\Y- LED INDICATORS 
‘ATION 
IIPHENOL- 
‘PE 
INNECTORS 
9 
). LINE 
CKS 
cn I Crw4HL PAGING CONNECTOR 
‘1 
RS-232-C CONNECTOR 
MUSIC CONNECTOR 
RESET SWITCH 1 
‘GROUNDIUG 
--OWER suppLy 
CONNECTOR 
Page 2-21  

SPECIFICATIONS INTER-TEL PRACTICES 
Issue 2, May 1990 GMX-48 INSTALLATION & MAINTENANCE 
FIGURE 2-3. 24-LINE KEYSET 
HEARING AID-COMPATIBLE 
(HAC) HANDSET 
24 C.O. LINE 
KEYS 
OPTIONAL 
32-CHARACTER LCD 
INTERNAL 
SPEAKER 
 
10 SPEED-DIAL 
KEYS 
/ 
 
RING AND VOICE 
VOLUME 
CONTROLS 
(underneath edge) 
/ 
18 FEATURE 
1 P-KEY PUSHBUTTON 
HAND;FREE 
MICROPHONE 
(underneath edge) 
KEYS KEYPAD 
NOTE: The keys are shown as they appear in the default configuration. 
Page 
2-22  

INTER-TEL PRACTICES 
GMX-48 INSTALLATION & MAINTENANCE SPECIFICATIONS 
Issue 2, May 1990 
FIGURE 2-4. 1ZLINE KEYSET 
HEARING AID-COMPATIBLE 
8 SPEED-DIAL 
(HAC) HANDSET KEYS 
INTERNAL 
SPEAKER 
10 FEATURE 
KEYS 
HANDSFREE 
MICROPHONE 
(underneath edge) 1 
P 
RI 
(u1 
I2 C.O. LINE 
KEYS 
/ 
12-KEY 
USHBUTTON 
KEYPAD 
 
NG AND VOICE 
VOLUME 
CONTROLS 
nderneath edge) 
NOTE: The keys are shown as they appear in the default configuration. 
Page 
2-23  

SPECIFICATIONS 
Issue 2, May 1990 1. 
INTER-TEL PRACTICES 
GMX.48 INSTALLATION & MAINTENANCE 
FIGURE 2-5. DIRECT STATION SELECTION/BUSY LAMP FIELD 
(DSSIBLF) UNIT 
60 DSS KEYS 
Page 2-24  

INTER-TEL PRACTICES 
GMX-48 INSTALLATION & MAINTENANCE SPECIFICATIONS 
Issue 2, May 1990 
FIGURE 2-6. 
SINGLE-LINE INSTRUMENT (SLI) 
HEARING AID-COMPATIBLE 12-KEY PUSHBUlTON 
(HAC) HANDSET KEYPAD 
L- 
: 
[ 
a I 
I 
a I 
I 
a 
a 
I 
1 
C /’ 
, 
4 FEATURE 
KEYS 
/ 
 
RING VOLUME 
CONTROL 
(underneath edge) 
I 
TIMED HOOKFLASH 
KEY 
NOTE: The keys are shown as they appear in the default configuration. 
Page 
2-25  

INTER-TEL PRACTICES 
GMX-48 INSTALLATION & MAINTENANCE INSTALLATION 
Issue 2, May 1990 
INSTALLATION 
CONTENTS PAGE 
1. 
2. 
3. 
_.; 
.:; 
4. 
5. 
6. 
7. 
8. 
9. 
10. 
11. 
12. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..“....... 3-2 
System Installation Outline ........................................... 
Pre-Installation Checklist ............................................. 
A. Establish Suitable Environmental Conditions For The System...