Mitel Sx 50 Dpabx Instructions Guide

Shipping, Receiving and Installation 
overvoltage ceases, and it is safe, the ac power returns, the gas tube arrester stops 
conducting and the thermal circuit breaker reconnects the DPABX. 
Installation. The surge protector plugs into the standard 3-prong outlet and then 
provides a receptacle for the ac power cord of the DPABX. The installer should check 
that the 3-prong ac power receptacle has been properly wired with a safety ground. 
Devices are commercially available which indicate ifthe outlet...

System Grounding and Surge Protection Requirements 
protector breakdown voltage, the protector arcs and the surge current shunts into the 
protector ground. For electronic DPABXs, 3-element gas tubes are recommended as 
they have uniform breakdown characteristics for both Tip and Ring. 
CIRCUIT PACK 
1;--‘-:1:1’1:~’ 
! Ll 
APPROVED 
GROUND L3 
f/7 
AP- 
PROVED 
GROUND 
Figure B-2 Classical Protection of Trunks/OPXs 
Incremental Transient Protection. 
This protection is not necessary for MITEL 
DPABXs;...

Shipping, Receiving and Installation 
CIRCUIT PACK 
APPROVED APPROVED 
GROUND GROUND 
DD0064 
Figure B-3 Protection with “Coupled Bonding Conductor” 
The following definitions apply to the installation description: 
l Approved Ground. A cold metallic water pipe. The cold (not hot) water pipe must 
have a continuous diameter of not less than 1.25 cm (0.5 in.) and be electrically con- 
nected to the street side of the water meter. Even when the water meter is metallic, a 
No. 6 AWG bond wire must be placed...

System Grounding and Surge Protection Requirements 
i 
---- 
1 ON-PREMISES 1 
I 
I 1 TELEztNE ; 1 
L-- -J DPABX T 1 
AC 
SURGE 
PROTECTOR 
 / u 1 1 OFF-PREMISES 
t 
GROUND 
I PREMISES I PROTECTOR 
I NO. 6 AWG WIRE CROSSCONNECT 
I NO. 6 AWG WIRf 
APPROVED 
I GROUND 
APPROVED 
GROUND 
Figure B-4 installation of Protectors 
l Bonded Connection. A bonded connection implies that appropriate lug type con- 
nectors are to be used. Such connectors are sized to the wire gauge. 
l AC Ground. The ac Ground is the...

Shipping, Receiving and Installation 
l Where possible, physically separate the off-premises cabling from the on-premises 
cabling where the cables meet in the building. Separate ducts or compartmentalized 
ducts are preferred. 
Chassis Ground Test. This test should be done before connecting the No. GAWG wire 
to the ground lug on the Power Supply. 
l Plug the DPABX ac power cord into the surge protector and the ac receptacle. It is not 
necessary to power up the DPABX. 
l Use a good quality, calibrated...

SX-50@ DIGITAL PRIVATE 
AUTOMATIC BRANCH EXCHANGE. 
(DPABX) 
Customer 
Data Entry 
0 
M, 8 -Trademark of Mite1 CorporatiOrI. 
@ Copyright 1993, Mite1 Corporation. 
All rights reserved. 
Printed In Canada. 
0 
MITEL?  

Customer Data Entry (CDE) 
NOTICE 
The information contained in this document is believed to be accurate in all 
respects but is not warranted by Mite1 Corporation (MITEL@). The informa- 
tion is subject to change without notice and should not be construed in any 
way as a commitment by Mite1 or any of its affiliates or subsidiaries. Mite1 
and its affiliates and subsidiaries assume no responsibility for any errors or 
omissions in this document. Revisions of this document or new editions of it 
may be...

Table of Contents 
1. INTRODUCTION 
General ............................................................... 210 l-l 
Reason for Reissue ....................................................... 210 l-l 
Section Overview ............................ .-. .......................... 210 l-l 
2. SYSTEM INITIALIZATION AND DATA ENTRY 
DefaultData ............................................................ 210 2-l 
LevelsofAccess ........................................................ 210 2-1 
Programming Access...

Customer Data Entry (CDE) 
Extension Memberships - Block Programming ................................. 210 4-37 
Extension Hunt Group Programming ......................................... ,210 4-38 
Extension Ring Group Programming ......................................... 210 4-38 
SUPERSET Telephone Programming ........................................ 210 4-39 
TrunkProgramming ...................................................... 210 4-41 
TrunkOptions...

Table of Contents 
List of Tables 
Table 2-l 
Table 2-2 
Table 2-3 
Table 2-4 
Table 3-l 
Table 4-l 
Table 4-2 
Table 4-3 
Table 5-l Initial Power-up Procedure .................... 
System Reset/Restart Procedure ............... 
Programming Access From The Attendant Console 
Programming Access From The Test Line ........ 
Feature Index .............................. 
Card and Module Types ....................... 
Station Equipment Numbers ................... 
SUPERSET/Trunk Equipment Numbers .............