Mitel SX-200 DIGITAL Pabx Engineering Information Manual

General Maintenance Information 
1. INTRODUCTION 
General 
1 .Ol This Section describes the maintenance philosophy, features, 
and facilities of the SX-ZOO@ DIGITAL Private Automatic Branch 
Exchange (PABX). Included are the use of diagnostic tests, maintenance 
aids, local and remote terminals, and other tools available to assist 
maintenance users in ensuring a continued high standard of efficiency 
and performance. Further details concerning SX-200@ DIGITAL PABX 
maintenance may be found in the...

General Maintenance information 
2. SYSTEM OVERVIEW 
General- 
2.01 The SX-200@ DIGITAL PABX system is a fully electronic solid- 
state microprocessor-controlled switching system employing 
digital switching techniques and incorporating special peripheral de- 
vices and architecture to provide a modern integrated office commu- 
nications system. A block diagram of the system is shown in Figures 
2-l and 2-2. 
Maintenance 
2.02 The modular design and functional packaging of the system 
permits rapid...

General Maintenance Information 
I ’ 
I 
I 
_; 
-- 
l =---I 
FLOPPY 
DISK 
DRIVE SUBSYSTEM 
512x512 CHANNELS) 
I 
I 
CONTROLLER 
TO/FROM 
PERIPHERAL 
DEVICES 
SAY 4 
KAOlSOR’ 
Figure 2-l System Block Diagram (336-Port Configuration) 
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General Maintenance Information 
tOL CARD 
1 I I I 1 I I 
LAY 1 AND BAY 2 
I’ I I I t II 6 DATA LINKS 
ADDRESS. DATA AND CONTROL BUS 
-1-i 1 RING LINK 
1 
PROCESSOR ----I 1 SPARE LINK 
I 
I 
DX ARRAV 
WlCJJYUC 
ClllrVCTFM I i I 116 x 16 LINKS) u PERIPHERAL L-!d 
1 DATA LINK 
1 i.ee1-1-1- _DK-I--_I.-.-J 1 
--- - -- - 
VOICE/DATA 
TO/FROM 
PERIPHERAL DEVICES 
3 DATA LINKS 
BAY 3 
I 
DIGITAL 
IN;EFW&E 
SUBSYSTEM 
C 
32 SPEECH N 
..: PATHS T 
R 
15 
VOICE 
CARDS 
I 
I 
I 
TO/FROM CONTROL 
PERIPHERAL DEVICES...

General Maintenance Information 
PERIPHERAL SHELF 
r--I 
BAY 4 
BAV 3 
III 
I CONTROL SHELF MAINTENANCE PANEL 
FANS 
/ 
POWER 
DISTRIBUTION AC FILTER 
KAOP33RZE 
Figure 2-3 SX-200@ DIGITAL Equipment Cabinets (336~Port Configuration, Wnlwersa% 
SX-200@ DIGITAL Control Cabinet) 
Page Z-4  

General Maintenance Information 
1 
CONTROL CABINET 
BAY 3- 
, 
, 
% 
- 
- 
I -BAY 5 
- BAY 4 
Figure 2-4 SX-200’ DIGITAL Equipment Cabinets (480-Port Configuration, Standard 
SX-200@ DIGITAL Control Cabinet) 
Page 2-5  

General Maintenance Information 
Peripheral Equipment Cabinet (for 480-Port Configuration only) 
2.06 The door on the front of the SX-200@ DIGITAL peripheral equip- 
ment cabinet provides access to the peripheral maintenance 
panel, and two analog equipment bays. The rear doors provide access 
to the backplanes, equipment interface connectors and the SX-200@ 
DIGITAL power supply. Connection to the control equipment cabinet is 
made through the cable ducts located at the bottom of either of the 
cabinet...

General Maintenance Information 
Figure 2-5 Attendant Console 
Page 
2-m  

General Maintenance information 
3. MAINTENANCE AIDS 
The Maintenance Terminal 
3.01 The RS-232 ASCII Maintenance Terminal (see Figures 3-l and 
3-2) is the primary maintenance tool for the SX-200@ DIGITAL 
PABX. A wide range of commands are available at the maintenance 
terminal to help the user to locate and replace faulty equipment. For 
further information, refer to Section MITL9108-093-351-NA, RS-232 
Maintenance Terminal. 
3.02 The SX-200@ DIGiTAL Attendant Console (see Figure 2-5) may 
be used as...

General Maintenance Information 
TERMINAL 
REMOTE - DEDICATED, PUBLIC NETWORK 
TERMINAL 
REMOTE - DIAL-UP 
x 
CROSS 
CONNECT 
i ASSIGNED 
TIP 81 RING PAIR 
FOR AUTO-ANSWER 
MODEM. TO DPAEX VIA 
CENTRAL OFFICE 
MODEM 
REMOTELV LOCATED 
TERMINAL 
NOTE: The Auto-Answer MODEM Is 
permanently connectad to one 
local statlon circuit (extenslont. 
XA0197ROEO 
Figure 3-l Maintenance Terminal Connection (Universal SX-SOB@ KJIGITAL Control Cabinet) 
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