Aastra 9000i Series Administrator's Manual page 21

Reference
For more information about installing the PoE and additional Ethernet cable, see your
phone-specific Installation Guide.
Optional Accessories (for 6731i and 6739i IP Phones)
The following are optional accessories for the 6731i, 6735i, 6737i, and 6739i IP Phones.
Optional Accessories
(for 6735i, 6737i, 6739i, 6753i, 6755i, 6757i, and 6757i CT IP Phones)
The following are optional accessories for the 6735i, 6737i, 6753i, 6755i, 6757i, and 6757i CT
IP Phones.
M670i Expansion Module
for 6735i, 6737i, 6739i, 6753i, 6755i,
6757i, and 6757i CT
The M670i module adds 36 additional softkeys to the IP phone models 6735i, 6737i, 6739i,
6753i, 6755i, 6757i, and 6757i CT. The M670i provides paper labels for each softkey. Up to 3
modules can be piggy-backed to provide up to 108 additional softkeys for the phone.
The M675i module adds 60 additional softkeys to the IP phone models 6735i, 6737i, 6739i,
6755i, 6757i, and 6757i CT (using the 3 function keys on the bottom right of the unit). The
M675i module provides an LCD display for display softkey labels. Up to 3 modules can be
piggy-backed to provide up to 180 additional softkeys for the phone.
Reference
For more information about installing and using the expansion modules, see your phone-specific
Installation Guide and phone-specific User Guide.
1-4
Power Adapter
M675i Expansion Module
for 6735i, 6737i, 6739i, 6755i, 6757i,
and 6757i CT
41-001343-01 Rev 02, Release 3.2.2