Expansion Modules; 536M Expansion Module - Aastra M720 Installation Manual

9.6

Expansion modules

Two expansion modules are available and can be installed on the 53i, 55i and 57i SIP phones.
The sales code for 536M expansion module is A173600001055.
The sales code for 560M expansion module is A176000001055.
9.6.1

536M expansion module

• Up to 3 expansion modules by SIP phone
• Directly powered by the phone
• 36 additional softkeys with associated LED (Speedial, DND,...)
• Compliant with 53i, 55i and 57i SIP phone
9.6.2 560M expansion module
• Up to 3 expansion modules by SIP phone
• Directly powered by the phone
• 60 additional softkeys with associated LED (Speedial, DND,...)
• Compliant with 55i and 57i SIP phone
Installation Manual for digital sets - IP sets - SIP sets
SIP PHONES 51i, 53i, 55i AND 57i
AMT/PTD/TR/0001/3/7/EN
05/2008 Page 9-5