Mitel SX 200 ML PABX Instructions Guide

Engineering Information 
IMPORTANT SAFETY INSTRUCTIONS 
These instructions are intended to be used as a general guide to provide basic instal- 
lation information which is necessary for the proper and safe functioning of this equip- 
ment. 
WARNING: Failure to follow all instructions may result in improper equipment 
operation and/or the risk of electric shock. 
General 
. 
. 
Read and understand all instructions. Keep these instructions with the equipment. 
Do not attempt to install or service this...

Engineering Information 
Installation of Telecommunication Wiring 
Telecommunication wiring to this product shall conform to all applicable safety and 
electrical wiring regulations. Installation of telecommunication wiring shall be per- 
formed by following precautions in accordance with standard industry practice. The 
precautions to be followed include: 
l Never install telephone wiring during a lightning storm. 
l Never install telephone jacks in wet locations unless the jack is specifically de-...

Table of Contents 
I. Introduction 
........................................................ ..I- 1 
General 
.............................................................. ..l- 1 
Reasonforlssue 
....................................................... ..l- 1 
Disclaimer 
............................................................ ..l- 1 
2. Features ...................................... 
General ........................................ 
3. System Overview 
............................. 
General...

Engineering Information 
LWGSTrunkCarcf ...................................................... ..5-11 
BriefDescription.. ................................................... ..5-11 
Facilities ........................................................... ..5-12 
Electrical Description .................................................. .5-12 
Operation - Loop Start ................................................. .5-12 
Operation - Ground Start ............................................... .5-12...

Table of Contents 
Envelope Delay Distortion ................................................. .7-3 
Longitudinal Balance ..................................................... .7-4 
System Impedances .................................................... ..7- 4 
Idle Channel Noise - C Message ............................................ .7-4 
Idle Channel Noise - 3 kHz Flat ............................................. .7-5 
8. Loss and Level Plan ...................................... 
General...

Engineering Information 
13. Reserve Power Supply. 
.............................................. .13-l 
14. System Fail Transfer. 
................................................ .14-l 
SFTOperation 
......................................................... ..14- 1 
Figure 4-l 
Figure 5-l 
Figure 5-2 
Figure 5-3 
Figure 5-4 
Figure 5-5 
Figure 5-6 
Figure 8-l 
Figure 8-2 
Figure 8-3 
Figure 8-4 
Figure 12-l 
Table 2-l 
Table 4-l 
Table 5-l 
Table 6-l 
Table 6-2 
Table 7-l 
Table 7-2 
Table 7-3 
Table...

Table of Contents 
Table 9-9 Malaysia Digital Bay Ringer Cadencing ............................. 9-5 
Table 10-l Grade Of Service (GOS) ......................................... 10-2 
Table 10-2 HeavyTraffic.. 
................................................ lo- 3 
Table IO-3 Medium Traffic ................................................. 1 O-3 
Table 10-4 Light Traffic ................................................... 1 O-3 
Table 1 l-l System Environmental Operating Conditions...

Engineering Information 
. 
X Issue 1 Revision 0 
March 1997  

1 Introduction 
General 
1.1 This Practice provides basic engineering information for the SX-200@ ML PABX. It 
describes: 
9 physical aspects of the system 
l onfigurations 
l technical characteristics. 
Reason for Issue 
I .2 This section is issued to provide basic engineering information. 
Disclaimer 
The following products have been manufacture-discontinued by Mitel. These products 
are supported but not described in SX-200 ML Practices: 
. SUPERSET 3TM and SUPERSET 4@ telephone sets 
l SUPERSET 3DNTM...

Engineering Information 
l-2 
Issue 1 Revision 0 
March 1997