OfficeServ 7400
INSTALLATION
TECHNICAL MANUAL
PART 3 MAY 2010
3.5
3.2 MP40 AND LP40 MODULES
This section describes the procedures for setting switches, installing optional
daughterboards, installing the boards into slots, and how to connect between the MP40 and
LP40 boards.
The OfficeServ 7400 MP40 (Main Control Processor) controls the system operation. The MP40
is required for all configurations and goes in slot 3 of the main cabinet. The LP40 goes in slot 0
of the main cabinet and each OS7400 expansion cabinet. If the expansion cabinet happens to
be an OS7200 cabinet, then slot 0 must have an OS7200 LCP card, NOT the LP40 card.
The LP40 is a secondary processor that communicates with the MP40 and manages the
boards in the expansion cabinets.
3.2.1 Setting Switches
The MP40 board includes switches used for optimizing the board to the user requirements
and system configuration.
On the MP40, set the switches for the required configuration. The description for the settings
is described below.
Figure 3.4 Switch Settings
SRAM Memory Backup Switch (S1): When set to ON, it allows the SRAM to store
information such as Call Logs, Alarms, UCD call stats, program logs and traffic reports.
SRAM is backed by the Super Capacitor on the MP40. If the switch is ON, data can last up
to 12 hours without main system power. This switch is also used to default the system.
S2
S1
On
Off
SW1
Off
SW8
On
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