Installation guide

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XPANSION MODULES

14 Expansion Modules

There are two types of expansion modules; M670i and M675i.

M670i is a key panel unit with 36 keys. Paper labels are used to label the

keys. Maximum 3 modules can be connected to the telephone. The

following models has support for the key panel unit: 6753i, 6735i/55i,

6737i/57i and 6739i.

M675i is a display panel unit with 60 soft keys, with 20 softkeys on each

page which means 3 pages. A LCD display is used to label the keys.

Maximum 3 modules can be connected to the telephone. The following

models has support for the key panel unit: 6735i/55i, 6737i/57i and

6739i.

For installation of the modules, see the phone specific Installation Guide.

When adding an expansion module on the telephone, the keys for MNS,

TNS (defined in the PBX), MCT and PEN are moved from the telephone

to the expansion module.

If shortcut keys shall exist on both the phone and on the expansion

module, the key numbers that do not fit on the expansion module will

‘overflow’ to the telephone display. Key number 1 to 60 are placed on the

expansion module and key 61 and upwards on the telephone, in the

case when one module is used.