Aastra M530/Aastra M535 Expansion Key Module (Optional) - Aastra 5370 User Manual

Installation and first-time operation
Aastra M530/Aastra M535 expansion key module
(optional)
You can connect 1 Aastra M530 expansion key module with 20 configurable keys
or 1 Aastra M535 expansion key module with 3 x 15 configurable keys to your
phone. Each key has an LED for visual signalling.
Connections
Connecting the Aastra M530/Aastra M535 expansion key module
Connecting further Aastra M530/Aastra M535 expansion key modules (symbol
on Aastra M530)
Connecting further Aastra M530/Aastra M535 expansion key modules or
or
power supply (symbol on Aastra M535)
108
OUT IN OUT IN OUT IN
eud-1281/1.2 – R2.0 – 02.2012