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Mike's PBX Cookbook

SX-50 - Software Module Identification


This Technical Service Bulletin is intended for Customer Service and Installation Personnel involved in the service of MITEL (TM) SX-50 PABX. This bulletin provides information regarding identification of the SX-50 Generic Module.


1.0 OVERVIEW

This bulletin is designed to aid service personnel in determining the difference between the 2 and 5 prom SX-50 (TM) PABX Software Modules.


2.0 PART NUMBERS

PART NO. S/W DESCRIPTION:

9104-011-104-SA MS53 - Software Module (2 Prom)
9104-011-105-SA MS54 - Software Module (2 Prom)
9104-011-111-SA MS54 - Ruggedized Module (2 Prom)
9104-011-153-SA MS53 - Upgrade Module (5 Prom)
9104-011-154-SA MS54 - Upgrade Module (5 Prom)
9104-511-054-CA MS54 - French (2 Prom)
9104-011-100-NA MS51 - Software Module (4 Prom)

The part number is found on the module casing


2.1 NEW BATTERY ON 2 PROM MODULE

The MS53/54 2 Prom Module has a clip type Lithium cell where the 5 Prom Module has the three prong plug in type Lithium cell.

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