CHAPTER 3.
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3.2 Mounting Control Boards
This section describes the procedures for setting switches, mounting optional boards,
mounting the boards on a slot, and how to connect between the MP/40 and LP40 boards.
3.2.1 Setting MP 40 Board Switches and Mounting Optional Boards
The MP40 board features switches used for optimizing the board to the user requirements
and system configuration. The procedure for setting switches and mounting optional boards
is as follows:
1) Set the S1 switch of the MP40 board into On.
2) Set all of SW1~SW5 of the S2 switch into off.
3) Set SW6~SW8 of the S2 switch in accordance with user’s purpose.
Figure 3.3 Setting Switches of MP40 Board
Table 3.3 Switched of MP40 Board
Switch
Description
S1
Set S1 switch into On before mounting on a slot to back up memory.
SW1~SW5
For domestic use, set all switches into Off.
S2
SW6~SW8
Sets the number of digits for C.O./extension lines and extension.
SW6-On: 4 digits for C.O. line
Off: 3 digits for C.O. line
SW7-On: 4 digits for an extension group
Off: 3 digits for an extension group
SW8-On: 4 digits for an extension number
Off: 3 digits for an extension number
S2
S1
On
Off
SW1
Off
SW8
On
